Plants for pollinators
These plants are rated highly for pollinators: nectar and pollen for bees, butterflies, moths and hoverflies. Plant them in groups and choose a mix that flowers from spring to autumn.
623 plants:
- Acerola (Barbados cherry) Malpighia emarginata · flowers from April
- African cabbage (spider flower vegetable) Gynandropsis gynandra
- African flag (chasmanthe) Chasmanthe floribunda
- African moringa (cabbage tree, shiferaw) Moringa stenopetala
- African tulip tree (Nandi flame) Spathodea campanulata
- Agapanthus Agapanthus praecox · flowers from June
- Ajwain (carom) Trachyspermum ammi
- Alexanders (horse parsley) Smyrnium olusatrum · flowers from April
- Alfalfa (lucerne) Medicago sativa
- Allspice (pimento) Pimenta dioica · flowers from April
- Almond Prunus dulcis · flowers from March
- Aloe vera Aloe vera · flowers from April
- Alpenrose (rusty-leaved alpenrose) Rhododendron ferrugineum · flowers from June
- Alpine avens Geum montanum · flowers from May
- American cranberry Vaccinium macrocarpon · flowers from July
- American highbush cranberry Viburnum trilobum · flowers from May
- Andean blueberry (mortiño) Vaccinium meridionale
- Anise hyssop Agastache foeniculum · flowers from July
- Apple-ring acacia (winter thorn, ana tree) Faidherbia albida · flowers from November
- Apricot Prunus armeniaca · flowers from April
- Arnica (mountain tobacco) Arnica montana · flowers from June
- Arrowwood viburnum Viburnum dentatum · flowers from May
- Aubrieta Aubrieta deltoidea · flowers from March
- Australian finger lime Citrus australasica
- Baby blue eyes Nemophila menziesii
- Balloon flower Platycodon grandiflorus · flowers from June
- Banana passionfruit (curuba) Passiflora tripartita
- Barbados gooseberry (ora-pro-nóbis, leaf cactus) Pereskia aculeata
- Basket of gold (golden alyssum) Aurinia saxatilis · flowers from April
- Bear’s breeches Acanthus mollis · flowers from June
- Bee balm Monarda didyma · flowers from July
- Bengal clock vine (blue trumpet vine) Thunbergia grandiflora
- Betony (bishop’s wort) Betonica officinalis · flowers from June
- Bigleaf ligularia (leopard plant) Ligularia dentata · flowers from July
- Bilberry Vaccinium myrtillus · flowers from May
- Bird cherry Prunus padus · flowers from May
- Biting stonecrop (goldmoss) Sedum acre · flowers from June
- Bitter aloe (Cape aloe) Aloe ferox · flowers from June
- Blackberry Rubus fruticosus agg. · flowers from May
- Black chokeberry (aronia) Aronia melanocarpa · flowers from May
- Black cumin (nigella seed) Nigella sativa
- Black-eyed Susan Rudbeckia hirta · flowers from June
- Black gum (black tupelo) Nyssa sylvatica · flowers from May
- Blanket flower Gaillardia x grandiflora · flowers from June
- Blueberry Vaccinium corymbosum · flowers from April
- Blue blossom (California lilac) Ceanothus thyrsiflorus · flowers from March
- Blue candle cactus (bilberry cactus, garambullo) Myrtillocactus geometrizans
- Blue-eyed Mary (creeping navelwort) Omphalodes verna · flowers from March
- Blue false indigo Baptisia australis · flowers from May
- Blue flag iris Iris versicolor · flowers from June
- Blue marguerite (blue daisy) Felicia amelloides
- Blue palo verde Parkinsonia florida · flowers from April
- Borage Borago officinalis
- Bower vine (bower of beauty) Pandorea jasminoides
- Box-leaf azara (vanilla tree) Azara microphylla
- Brittlebush Encelia farinosa · flowers from March
- Broad bean (fava) Vicia faba
- Broad-leaved paperbark (niaouli) Melaleuca quinquenervia
- Buckwheat Fagopyrum esculentum
- Bugle (ajuga) Ajuga reptans · flowers from May
- Bugle lily (watsonia) Watsonia borbonica · flowers from October
- Burma padauk (pradu) Pterocarpus macrocarpus · flowers from April
- Burn jelly plant (stalked bulbine) Bulbine frutescens
- Bush anemone (tree anemone) Carpenteria californica · flowers from May
- Bush poppy (tree poppy) Dendromecon rigida · flowers from March
- Butterfly bush Buddleja davidii · flowers from July
- Butterfly pea Clitoria ternatea
- Butterfly weed Asclepias tuberosa · flowers from June
- Butternut squash Cucurbita moschata
- Buttonbush Cephalanthus occidentalis · flowers from June
- Cabbage tree (cordyline) Cordyline australis · flowers from June
- Calafate (box-leaved barberry) Berberis microphylla · flowers from October
- Calamansi Citrus × microcarpa
- California buckeye Aesculus californica · flowers from May
- California buckwheat Eriogonum fasciculatum · flowers from April
- California flannelbush (fremontia) Fremontodendron californicum · flowers from April
- California fuchsia (hummingbird trumpet) Epilobium canum · flowers from August
- Canada goldenrod Solidago canadensis · flowers from July
- Cannonball tree Couroupita guianensis · flowers from March
- Canterbury bells Campanula medium
- Cape chestnut Calodendrum capense
- Cape honeysuckle Tecoma capensis · flowers from August
- Cape leadwort (plumbago) Plumbago auriculata · flowers from May
- Caper bush Capparis spinosa · flowers from May
- Caraway Carum carvi
- Cardinal flower Lobelia cardinalis · flowers from July
- Carpathian bellflower (tussock bellflower) Campanula carpatica · flowers from June
- Catmint Nepeta x faassenii · flowers from May
- Catnip Nepeta cataria · flowers from June
- Ceibo (cockspur coral tree) Erythrina crista-galli · flowers from October
- Century plant (agave) Agave americana · flowers from August
- Ceylon ironwood (na, bunnak) Mesua ferrea · flowers from March
- Chatham Island forget-me-not Myosotidium hortensia · flowers from October
- Chayote Sechium edule
- Cheddar pink Dianthus gratianopolitanus · flowers from May
- Chia Salvia hispanica
- Chilean firebush (notro) Embothrium coccineum · flowers from May
- Chilean glory flower Eccremocarpus scaber · flowers from June
- Chilean guava (murta) Ugni molinae · flowers from June
- Chilean holly (taique) Desfontainia spinosa
- Chilean lantern tree Crinodendron hookerianum · flowers from May
- Chilean myrtle (arrayán) Luma apiculata · flowers from July
- Chilean potato vine Solanum crispum · flowers from June
- Chilean puya Puya chilensis · flowers from October
- China aster Callistephus chinensis
- Chinaberry (Persian lilac) Melia azedarach · flowers from April
- Chinese flowering crabapple (haitang) Malus spectabilis · flowers from April
- Chinese fringe tree Chionanthus retusus · flowers from May
- Chinese monkshood (Carmichael’s aconite) Aconitum carmichaelii · flowers from September
- Chinese plumbago (Willmott’s blue leadwort) Ceratostigma willmottianum · flowers from July
- Chinese redbud Cercis chinensis · flowers from April
- Chives Allium schoenoprasum · flowers from May
- Chokecherry Prunus virginiana · flowers from May
- Christmas bells (large Christmas bells) Blandfordia grandiflora
- Christ’s thorn jujube (sidr) Ziziphus spina-christi · flowers from September
- Cider gum (eucalyptus) Eucalyptus gunnii · flowers from July
- Cigar plant Cuphea ignea
- Claret cup cactus (kingcup cactus) Echinocereus triglochidiatus · flowers from April
- Clary sage Salvia sclarea · flowers from June
- Cleveland sage Salvia clevelandii · flowers from May
- Climbing hydrangea Hydrangea anomala subsp. petiolaris · flowers from June
- Cloudberry (hjortron) Rubus chamaemorus · flowers from June
- Coast banksia Banksia integrifolia · flowers from September
- Comfrey Symphytum officinale · flowers from May
- Common bluebell Hyacinthoides non-scripta · flowers from April
- Common columbine Aquilegia vulgaris · flowers from May
- Common coral tree (lucky-bean tree, umsinsi) Erythrina lysistemon · flowers from February
- Common honeysuckle (woodbine) Lonicera periclymenum · flowers from June
- Common ivy Hedera helix · flowers from September
- Common knapweed Centaurea nigra · flowers from June
- Common lilac Syringa vulgaris · flowers from May
- Common manzanita Arctostaphylos manzanita · flowers from January
- Common milkweed Asclepias syriaca · flowers from June
- Common myrtle Myrtus communis · flowers from July
- Common pagoda Mimetes cucullatus · flowers from August
- Common rock rose (sun rose) Helianthemum nummularium · flowers from May
- Common sage Salvia officinalis · flowers from May
- Common sugarbush Protea repens · flowers from October
- Compass plant Silphium laciniatum · flowers from July
- Conehead thyme (za’atar farsi, Spanish oregano) Thymbra capitata · flowers from June
- Cootamundra wattle Acacia baileyana
- Coral aloe Aloe striata
- Coriander (cilantro) Coriandrum sativum
- Cornelian cherry Cornus mas · flowers from March
- Cornflower Centaurea cyanus
- Cosmos Cosmos bipinnatus
- Cowslip Primula veris · flowers from April
- Cranesbill (hardy geranium) Geranium x magnificum · flowers from June
- Creeping Jacob’s ladder (spreading Jacob’s ladder) Polemonium reptans · flowers from April
- Creeping thyme Thymus serpyllum · flowers from June
- Creosote bush Larrea tridentata · flowers from March
- Crimson bottlebrush Melaleuca citrina · flowers from May
- Crown flower (giant milkweed, dok rak) Calotropis gigantea
- Culver’s root Veronicastrum virginicum · flowers from July
- Cumin Cuminum cyminum
- Cup plant Silphium perfoliatum · flowers from July
- Dalmatian bellflower (wall bellflower) Campanula portenschlagiana · flowers from June
- Damask rose Rosa × damascena · flowers from May
- Darwin’s barberry (michay) Berberis darwinii · flowers from April
- David's peach (mountain peach) Prunus davidiana · flowers from March
- Delphinium Delphinium elatum hybrids · flowers from June
- Dense blazing star Liatris spicata · flowers from July
- Deodeok (bonnet bellflower) Codonopsis lanceolata · flowers from August
- Desert ironwood Olneya tesota · flowers from May
- Desert marigold Baileya multiradiata · flowers from March
- Desert willow Chilopsis linearis · flowers from May
- Dill Anethum graveolens
- Dog rose Rosa canina · flowers from June
- Dragon fruit (pitaya) Selenicereus undatus · flowers from May
- Dutch crocus Crocus vernus · flowers from March
- Dwarf apple tree Malus domestica · flowers from April
- Dyer’s chamomile (golden marguerite) Cota tinctoria · flowers from June
- Early crocus (Tommasini’s crocus) Crocus tommasinianus · flowers from February
- Early lilac (Chinese lilac) Syringa oblata · flowers from April
- Eastern bluestar Amsonia tabernaemontana · flowers from May
- Eastern prickly pear (hardy prickly pear) Opuntia humifusa · flowers from June
- Eastern redbud Cercis canadensis · flowers from April
- Eastern red columbine Aquilegia canadensis · flowers from April
- Egusi melon Citrullus mucosospermus
- Elder (elderberry) Sambucus nigra · flowers from June
- Elecampane Inula helenium · flowers from July
- Empress tree (foxglove tree) Paulownia tomentosa · flowers from April
- Engelmann's prickly pear Opuntia engelmannii · flowers from April
- English lavender Lavandula angustifolia · flowers from June
- Ethiopian kale (gomenzer) Brassica carinata
- European plum Prunus domestica · flowers from April
- Fairy fan-flower (scaevola) Scaevola aemula
- False sunflower (ox-eye) Heliopsis helianthoides · flowers from June
- Fan columbine (miyama-odamaki) Aquilegia flabellata · flowers from May
- Fatsia (Japanese aralia, yatsude) Fatsia japonica · flowers from October
- Feijoa Acca sellowiana · flowers from May
- Fennel Foeniculum vulgare · flowers from July
- Fever tree (yellow-barked acacia) Vachellia xanthophloea · flowers from March
- Field scabious Knautia arvensis · flowers from June
- Fig-leaf gourd (chilacayote) Cucurbita ficifolia
- Firecracker bush (bouvardia, trompetilla) Bouvardia ternifolia · flowers from May
- Firecracker plant (coral plant) Russelia equisetiformis
- Fire heath Erica cerinthoides · flowers from July
- Firethorn (pyracantha) Pyracantha coccinea · flowers from May
- Firewheel (Indian blanket) Gaillardia pulchella
- Firewheel tree (wheel of fire) Stenocarpus sinuatus
- Fishhook barrel cactus Ferocactus wislizeni · flowers from July
- Flame of the forest (palash) Butea monosperma
- Flannel flower Actinotus helianthi · flowers from September
- Flat sea holly Eryngium planum · flowers from July
- Florence fennel Foeniculum vulgare var. azoricum
- Floss flower (ageratum) Ageratum houstonianum
- Flowering currant (red-flowering currant) Ribes sanguineum · flowers from March
- Flowering tobacco Nicotiana alata
- Fountain butterfly bush (alternate-leaved buddleja) Buddleja alternifolia · flowers from June
- Foxglove Digitalis purpurea · flowers from May
- French lavender Lavandula stoechas · flowers from May
- Fumewort (bird-in-a-bush) Corydalis solida · flowers from March
- Garden angelica Angelica archangelica
- Garden lupin Lupinus polyphyllus · flowers from May
- Garden phlox Phlox paniculata · flowers from July
- Garlic chives Allium tuberosum · flowers from August
- Gelam (cajuput tree) Melaleuca cajuputi · flowers from March
- Geraldton wax Chamelaucium uncinatum
- German chamomile Matricaria chamomilla
- Giant chalk dudleya (Britton’s live-forever) Dudleya brittonii
- Giant granadilla (badea) Passiflora quadrangularis · flowers from May
- Giant Himalayan cowslip Primula florindae · flowers from June
- Gliricidia (madre de cacao, mata ratón) Gliricidia sepium · flowers from January
- Globe amaranth Gomphrena globosa
- Globe artichoke Cynara cardunculus var. scolymus · flowers from July
- Globe thistle Echinops ritro · flowers from July
- Glory of the snow (chionodoxa) Scilla luciliae · flowers from March
- Goat willow (pussy willow) Salix caprea · flowers from March
- Goji (wolfberry) Lycium barbarum · flowers from May
- Golden Alexanders Zizia aurea · flowers from May
- Golden dewdrop (sky flower, duranta) Duranta erecta
- Golden trumpet tree (ipê-amarelo) Handroanthus chrysotrichus
- Golden wattle Acacia pycnantha · flowers from March
- Gorse (furze) Ulex europaeus · flowers from February
- Grapefruit Citrus x paradisi · flowers from March
- Grape hyacinth Muscari armeniacum · flowers from April
- Grass tree (balga) Xanthorrhoea preissii
- Great blue lobelia Lobelia siphilitica · flowers from August
- Greater burdock (gobo) Arctium lappa
- Great yellow gentian Gentiana lutea · flowers from July
- Grecian windflower Anemone blanda · flowers from March
- Greek strawberry tree Arbutus andrachne · flowers from March
- Green ixia (turquoise ixia) Ixia viridiflora
- Green santolina (holy flax) Santolina rosmarinifolia · flowers from June
- Grey-headed coneflower (yellow coneflower) Ratibida pinnata · flowers from June
- Grey-leaved cistus Cistus albidus · flowers from May
- Grey-leaved euryops (resin bush) Euryops pectinatus
- Guaraná Paullinia cupana · flowers from August
- Gum arabic tree (hashab, kikwata) Senegalia senegal · flowers from May
- Gum rockrose Cistus ladanifer · flowers from May
- Gymea lily Doryanthes excelsa · flowers from September
- Hanging lobster claw (heliconia) Heliconia rostrata
- Hardy fuchsia Fuchsia magellanica · flowers from June
- Hardy ice plant Delosperma cooperi · flowers from June
- Harlequin flower Sparaxis tricolor
- Haskap (honeyberry) Lonicera caerulea · flowers from April
- Heath banksia Banksia ericifolia
- Heather (ling) Calluna vulgaris · flowers from August
- Hebe Veronica speciosa · flowers from July
- Heliotrope Heliotropium arborescens
- Himalayan indigo Indigofera heterantha · flowers from June
- Hollyhock Alcea rosea · flowers from June
- Holy basil Ocimum tenuiflorum
- Honesty Lunaria annua
- Honeybush (heuningbos) Cyclopia intermedia · flowers from October
- Hong Kong orchid tree Bauhinia × blakeana · flowers from October
- Horse chestnut Aesculus hippocastanum · flowers from May
- Hottentot fig (sour fig, ice plant) Carpobrotus edulis
- Hyssop Hyssopus officinalis · flowers from July
- ʻŌhiʻa lehua Metrosideros polymorpha · flowers from March
- Ice-cream bean (guaba, pacay) Inga edulis · flowers from July
- Illawarra flame tree Brachychiton acerifolius · flowers from November
- Indian bean tree (southern catalpa) Catalpa bignonioides · flowers from June
- Indian coral tree Erythrina variegata · flowers from February
- Indian jujube (ber, phutsa) Ziziphus mauritiana
- Indian pink (woodland pinkroot) Spigelia marilandica · flowers from June
- Italian buckthorn (alaternus) Rhamnus alaternus · flowers from March
- Italian clematis Clematis viticella · flowers from June
- Ivory curl tree Buckinghamia celsissima
- Jamaican cherry (calabura, takhop farang) Muntingia calabura
- Jambu (toothache plant) Acmella oleracea
- Japanese anemone Anemone hupehensis · flowers from August
- Japanese pagoda tree (Chinese scholar tree) Styphnolobium japonicum · flowers from July
- Japanese plum Prunus salicina · flowers from April
- Japanese raisin tree (kenponashi) Hovenia dulcis · flowers from June
- Japanese snowbell Styrax japonicus · flowers from May
- Japanese stewartia Stewartia pseudocamellia · flowers from June
- Japanese wisteria (fuji) Wisteria floribunda · flowers from April
- Jerusalem artichoke Helianthus tuberosus · flowers from September
- Jerusalem sage Phlomis fruticosa · flowers from May
- Joe Pye weed Eutrochium purpureum · flowers from July
- Judas tree Cercis siliquastrum · flowers from April
- Jujube Ziziphus jujuba · flowers from June
- Kaffir lime Citrus hystrix · flowers from April
- Kākābeak Clianthus puniceus · flowers from April
- Kangaroo paw Anigozanthos flavidus · flowers from April
- Kapok (ceiba, silk-cotton tree) Ceiba pentandra · flowers from January
- Key lime Citrus x aurantiifolia · flowers from March
- King protea Protea cynaroides · flowers from April
- Korean lilac (‘Miss Kim’) Syringa pubescens subsp. patula · flowers from May
- Korean mint (baechohyang) Agastache rugosa · flowers from July
- Korean rhododendron (jindallae) Rhododendron mucronulatum · flowers from March
- Korean spice viburnum Viburnum carlesii · flowers from April
- Kōwhai Sophora microphylla · flowers from September
- Krantz aloe (candelabra aloe) Aloe arborescens
- Kumquat Citrus japonica · flowers from May
- Lablab (hyacinth bean, tua paep) Lablab purpureus
- Labrador tea Rhododendron groenlandicum · flowers from June
- Lamb's ear Stachys byzantina · flowers from June
- Lanceleaf coreopsis (tickseed) Coreopsis lanceolata · flowers from May
- Lantana Lantana camara · flowers from May
- Large-flowered tickseed (coreopsis) Coreopsis grandiflora · flowers from June
- Larkspur Consolida ajacis
- Late tulip (species tulip) Tulipa tarda · flowers from April
- Lavandin Lavandula x intermedia · flowers from July
- Leadplant Amorpha canescens · flowers from June
- Lemon balm Melissa officinalis · flowers from June
- Lemon myrtle Backhousia citriodora · flowers from July
- Lemon-scented gum Corymbia citriodora
- Lemon-scented tea tree Leptospermum petersonii
- Lemon tree (dwarf) Citrus limon · flowers from March
- Leopard plant (tsuwabuki) Farfugium japonicum · flowers from October
- Lingonberry Vaccinium vitis-idaea · flowers from May
- Lion's tail (wild dagga) Leonotis leonurus · flowers from August
- Lithodora (purple gromwell) Glandora diffusa · flowers from May
- Longan Dimocarpus longan · flowers from March
- Loquat Eriobotrya japonica · flowers from October
- Lovage Levisticum officinale · flowers from June
- Love-in-a-mist Nigella damascena
- Luffa (sponge gourd) Luffa aegyptiaca
- Lulo (naranjilla) Solanum quitoense
- Lungwort (pulmonaria) Pulmonaria officinalis · flowers from March
- Lychee Litchi chinensis · flowers from February
- Macadamia Macadamia integrifolia · flowers from February
- Madonna lily Lilium candidum · flowers from June
- Maiden pink Dianthus deltoides · flowers from June
- Malay apple (jambu bol) Syzygium malaccense
- Mamoncillo (Spanish lime, quenepa) Melicoccus bijugatus · flowers from March
- Mandarin orange Citrus reticulata · flowers from March
- Mangrove apple (perepat) Sonneratia alba · flowers from March
- Mānuka (tea tree) Leptospermum scoparium · flowers from May
- Maqui berry Aristotelia chilensis · flowers from October
- Marjoram Origanum majorana
- Marsh mallow Althaea officinalis · flowers from July
- Marsh marigold Caltha palustris · flowers from April
- Marula Sclerocarya birrea · flowers from March
- Mashua Tropaeolum tuberosum
- Matilija poppy Romneya coulteri · flowers from May
- Maximilian sunflower Helianthus maximiliani · flowers from August
- Meadowsweet Filipendula ulmaria · flowers from June
- Medlar Mespilus germanica · flowers from May
- Mexican bush sage Salvia leucantha · flowers from August
- Mexican fleabane Erigeron karvinskianus · flowers from May
- Mexican giant cardón Pachycereus pringlei · flowers from April
- Mexican giant hyssop (toronjil morado) Agastache mexicana · flowers from June
- Mexican hat (prairie coneflower) Ratibida columnifera · flowers from June
- Mexican heather (false heather) Cuphea hyssopifolia
- Mexican marigold (Mexican tarragon) Tagetes lucida · flowers from September
- Mexican oregano Lippia graveolens
- Mexican sunflower (tithonia) Tithonia rotundifolia
- Mint Mentha spicata · flowers from July
- Missouri evening primrose (bigfruit evening primrose) Oenothera macrocarpa · flowers from May
- Mobola plum (hissing tree, muhacha) Parinari curatellifolia · flowers from July
- Montbretia (crocosmia) Crocosmia x crocosmiiflora · flowers from July
- Montpellier rock rose (narrow-leaved cistus) Cistus monspeliensis · flowers from April
- Moringa Moringa oleifera · flowers from March
- Moss phlox (creeping phlox) Phlox subulata · flowers from April
- Motherwort Leonurus cardiaca · flowers from June
- Mountain aloe (Marloth’s aloe) Aloe marlothii
- Mount Etna broom Genista etnensis · flowers from July
- Moyes’ rose Rosa moyesii · flowers from June
- Muntries (emu apple) Kunzea pomifera
- Nance (nanche, murici) Byrsonima crassifolia · flowers from April
- Nanking cherry Prunus tomentosa · flowers from April
- Narra (Burmese rosewood) Pterocarpus indicus · flowers from April
- Narrow-leaved paperbark (tea tree, source of tea tree oil) Melaleuca alternifolia
- Nashi pear (Asian pear) Pyrus pyrifolia · flowers from April
- Natal plum (num-num, amatungulu) Carissa macrocarpa · flowers from April
- Native frangipani Hymenosporum flavum · flowers from October
- Native fuchsia (common correa) Correa reflexa
- Native lilac hibiscus (blue hibiscus) Alyogyne huegelii
- Néré (African locust bean, dawadawa) Parkia biglobosa · flowers from January
- New England aster Symphyotrichum novae-angliae · flowers from August
- New Jersey tea Ceanothus americanus · flowers from June
- New York ironweed Vernonia noveboracensis · flowers from August
- Nīkau palm Rhopalostylis sapida
- Nile tulip (markhamia) Markhamia lutea
- Nodding onion Allium cernuum · flowers from June
- Noog (niger seed) Guizotia abyssinica
- Northern spicebush Lindera benzoin · flowers from April
- Norway maple Acer platanoides · flowers from April
- Obedient plant (false dragonhead) Physostegia virginiana · flowers from August
- Ocotillo Fouquieria splendens · flowers from March
- Old man banksia (saw banksia) Banksia serrata
- Oleander-leaf protea Protea neriifolia · flowers from October
- Oleaster (Russian olive) Elaeagnus angustifolia · flowers from May
- Olympian mullein Verbascum olympicum · flowers from June
- Ominaeshi (golden lace, Patrinia) Patrinia scabiosifolia · flowers from July
- Orange coneflower (black-eyed Susan ‘Goldsturm’) Rudbeckia fulgida · flowers from July
- Orchid tree (mountain ebony) Bauhinia variegata
- Oregano Origanum vulgare · flowers from June
- Oregon grape Berberis aquifolium · flowers from March
- Organ pipe cactus Stenocereus thurberi · flowers from May
- Oriental mangrove (tumu) Bruguiera gymnorhiza · flowers from March
- Oriental poppy Papaver orientale · flowers from May
- Ornamental allium Allium giganteum · flowers from May
- Ornamental salvia Salvia nemorosa · flowers from June
- Oxeye daisy Leucanthemum vulgare · flowers from May
- Pagoda flower Clerodendrum paniculatum · flowers from June
- Pale purple coneflower Echinacea pallida · flowers from June
- Parrot's beak heliconia Heliconia psittacorum · flowers from January
- Parry's agave Agave parryi · flowers from June
- Parry's penstemon Penstemon parryi · flowers from March
- Parsnip Pastinaca sativa
- Passion fruit Passiflora edulis · flowers from May
- Pau-brasil (Brazilwood) Paubrasilia echinata · flowers from October
- Peach Prunus persica · flowers from April
- Pear Pyrus communis · flowers from April
- Penstemon (beardtongue) Penstemon digitalis · flowers from May
- Pentas (Egyptian starcluster) Pentas lanceolata · flowers from May
- Perennial candytuft Iberis sempervirens · flowers from April
- Perennial flax (blue flax) Linum perenne · flowers from May
- Persian lime Citrus x latifolia · flowers from March
- Persian silk tree (mimosa) Albizia julibrissin · flowers from June
- Persian stone cress Aethionema grandiflorum · flowers from May
- Peruvian lily (alstroemeria) Alstroemeria aurea · flowers from June
- Petai (stink bean, sato) Parkia speciosa · flowers from April
- Pichi (false heath) Fabiana imbricata
- Pickerelweed Pontederia cordata · flowers from June
- Pig’s ear (round-leaved navelwort) Cotyledon orbiculata
- Pincushion hakea Hakea laurina
- Pincushion protea Leucospermum cordifolium · flowers from May
- Pineleaf penstemon Penstemon pinifolius · flowers from June
- Pink-and-white everlasting (pink paper daisy) Rhodanthe chlorocephala
- Pink breath of heaven (confetti bush) Coleonema pulchellum
- Pink mulla mulla (tall mulla mulla) Ptilotus exaltatus
- Pink shower (kalapaphruek) Cassia bakeriana · flowers from February
- Pink trumpet tree (ipê) Handroanthus impetiginosus · flowers from April
- Pōhutukawa (NZ Christmas tree) Metrosideros excelsa · flowers from June
- Pomegranate Punica granatum · flowers from May
- Pomelo Citrus maxima · flowers from March
- Poppy anemone (kalanit) Anemone coronaria · flowers from March
- Portugal laurel Prunus lusitanica · flowers from June
- Pot marigold Calendula officinalis
- Prairie blazing star (gayfeather) Liatris pycnostachya · flowers from July
- Prickly pear (nopal) Opuntia ficus-indica · flowers from May
- Pride of Burma Amherstia nobilis
- Pride of Madeira Echium candicans · flowers from April
- Prostrate speedwell Veronica prostrata · flowers from May
- Puawānanga (New Zealand clematis) Clematis paniculata · flowers from August
- Pulque agave (maguey pulquero) Agave salmiana · flowers from May
- Pūriri Vitex lucens
- Purple coneflower Echinacea purpurea · flowers from June
- Purple orchid tree (butterfly tree, Bauhinia purpurea) Bauhinia purpurea · flowers from October
- Purple prairie clover Dalea purpurea · flowers from June
- Putat sungai (freshwater mangrove) Barringtonia racemosa · flowers from March
- Qantu (sacred flower of the Incas) Cantua buxifolia · flowers from March
- Quaresmeira (glory tree) Pleroma granulosum · flowers from August
- Queen’s crape myrtle (banaba) Lagerstroemia speciosa · flowers from April
- Quiver tree (kokerboom) Aloidendron dichotomum · flowers from July
- Rambutan Nephelium lappaceum
- Rangoon creeper Combretum indicum
- Raspberry Rubus idaeus · flowers from May
- Rattlesnake master Eryngium yuccifolium · flowers from July
- Red-and-green kangaroo paw (Mangles’ kangaroo paw) Anigozanthos manglesii
- Red clover Trifolium pratense · flowers from May
- Red escallonia Escallonia rubra · flowers from June
- Red-flowering gum Corymbia ficifolia
- Red hot poker Kniphofia uvaria · flowers from July
- Red maple Acer rubrum · flowers from March
- Red powder puff Calliandra haematocephala · flowers from October
- Red silk-cotton tree (kapok) Bombax ceiba · flowers from March
- Red valerian Centranthus ruber · flowers from May
- Redvein enkianthus Enkianthus campanulatus · flowers from May
- Red yucca Hesperaloe parviflora · flowers from May
- Regal lily Lilium regale · flowers from June
- Rewarewa (New Zealand honeysuckle) Knightia excelsa · flowers from October
- Riberry (small-leaved lilly pilly) Syzygium luehmannii
- Ridge gourd (turai) Luffa acutangula
- River red gum Eucalyptus camaldulensis
- Robusta coffee Coffea canephora · flowers from March
- Rock soapwort Saponaria ocymoides · flowers from May
- Rose apple Syzygium jambos
- Rosemary Salvia rosmarinus · flowers from March
- Rosemary grevillea Grevillea rosmarinifolia · flowers from April
- Rosy trumpet tree (chomphu phanthip) Tabebuia rosea
- Rough goldenrod (‘Fireworks’) Solidago rugosa · flowers from August
- Round-leaf buchu Agathosma betulina · flowers from September
- Round-leaf mint bush Prostanthera rotundifolia
- Rubber rabbitbrush Ericameria nauseosa · flowers from August
- Rugosa rose Rosa rugosa · flowers from May
- Runner bean Phaseolus coccineus
- Russian sage Salvia yangii · flowers from July
- Sage-leaved rock rose Cistus salviifolius · flowers from April
- Saguaro Carnegiea gigantea · flowers from May
- Sausage tree (worsboom, muvevha) Kigelia africana · flowers from March
- Scarlet sage Salvia splendens
- Scent leaf (African basil) Ocimum gratissimum
- Serviceberry Amelanchier canadensis · flowers from April
- Sesame Sesamum indicum
- Seville orange (bitter orange) Citrus × aurantium · flowers from March
- Shasta daisy Leucanthemum x superbum · flowers from June
- Shea tree Vitellaria paradoxa · flowers from January
- Short-toothed mountain mint Pycnanthemum muticum · flowers from July
- Shrubby germander (tree germander) Teucrium fruticans · flowers from April
- Shrubby scorpion vetch (coronilla) Coronilla valentina · flowers from January
- Siamese cassia (khi lek) Senna siamea · flowers from October
- Siberian bugloss (brunnera) Brunnera macrophylla · flowers from April
- Siberian crab apple Malus baccata · flowers from May
- Siberian squill Scilla siberica · flowers from March
- Silk floss tree Ceiba speciosa · flowers from September
- Silky oak (southern silky oak) Grevillea robusta
- Silver-seed gourd (cushaw, pipián) Cucurbita argyrosperma
- Silver wattle (mimosa) Acacia dealbata · flowers from February
- Simpoh air Dillenia suffruticosa · flowers from January
- Small-leaved lime (linden) Tilia cordata · flowers from July
- Smooth-barked apple (Sydney red gum) Angophora costata
- Smooth blue aster Symphyotrichum laeve · flowers from September
- Snapdragon Antirrhinum majus
- Sneezeweed (helenium) Helenium autumnale · flowers from August
- Snowdrop Galanthus nivalis · flowers from February
- Soapbark tree (quillay) Quillaja saponaria · flowers from October
- Society garlic (wild garlic) Tulbaghia violacea
- Sour cherry Prunus cerasus · flowers from April
- Spanish broom Spartium junceum · flowers from May
- Spider flower (cleome) Cleome hassleriana
- Spiked speedwell Veronica spicata · flowers from June
- Spike lavender (broad-leaved lavender) Lavandula latifolia · flowers from July
- Spiral aloe Aloe polyphylla
- Spotted emu bush Eremophila maculata
- Staghorn sumac Rhus typhina · flowers from June
- Star jasmine Trachelospermum jasminoides · flowers from May
- Sticky monkeyflower (orange bush monkeyflower) Diplacus aurantiacus · flowers from April
- Stock (gillyflower) Matthiola incana
- Stonecrop (sedum) Hylotelephium spectabile · flowers from August
- Strawberry tree Arbutus unedo · flowers from October
- Strawflower (golden everlasting) Xerochrysum bracteatum
- Striped squill (puschkinia) Puschkinia scilloides · flowers from March
- Sturt’s desert pea Swainsona formosa
- Summer savory Satureja hortensis
- Summersweet (sweet pepperbush) Clethra alnifolia · flowers from July
- Sunflower Helianthus annuus
- Surinam cherry (pitanga) Eugenia uniflora · flowers from March
- Swamp milkweed Asclepias incarnata · flowers from July
- Swan River daisy Brachyscome iberidifolia
- Swedish whitebeam Sorbus intermedia · flowers from May
- Sweet alyssum Lobularia maritima
- Sweet cherry Prunus avium · flowers from April
- Sweet chestnut Castanea sativa · flowers from June
- Sweet granadilla Passiflora ligularis
- Sweet orange Citrus x sinensis · flowers from March
- Sweet pea Lathyrus odoratus
- Sweet William Dianthus barbatus
- Tarata (lemonwood) Pittosporum eugenioides · flowers from October
- Tasmanian blue gum Eucalyptus globulus
- Texas sage (cenizo) Leucophyllum frutescens · flowers from June
- Thai basil Ocimum basilicum var. thyrsiflora
- Thai crape myrtle (tabaek) Lagerstroemia floribunda · flowers from April
- Thrift (sea pink) Armeria maritima · flowers from May
- Thunberg bush clover (miyagino-hagi) Lespedeza thunbergii · flowers from August
- Thyme Thymus vulgaris · flowers from May
- Tiew (pink mempat, phak tiu) Cratoxylum formosum · flowers from February
- Tiger lily Lilium lancifolium · flowers from July
- Tipa (rosewood) Tipuana tipu · flowers from November
- Toyon (California holly) Heteromeles arbutifolia · flowers from June
- Trailing ice plant (vygie) Lampranthus spectabilis · flowers from September
- Tree aloe (Barber’s aloe) Aloidendron barberae
- Tree cholla (cane cholla) Cylindropuntia imbricata
- Tree echium (giant viper's bugloss) Echium pininana · flowers from May
- Tree heath Erica arborea · flowers from March
- Tree pelargonium Pelargonium cucullatum · flowers from October
- Trifoliate orange (karatachi) Citrus trifoliata · flowers from April
- Trumpet vine Campsis radicans · flowers from July
- Tulip tree Liriodendron tulipifera · flowers from May
- Turkish sage (Russell’s phlomis) Phlomis russeliana · flowers from June
- Umbrella thorn acacia Vachellia tortilis · flowers from May
- Ume (Chinese plum) Prunus mume · flowers from March
- Valerian Valeriana officinalis · flowers from June
- Vegetable hummingbird (agati, dok khae) Sesbania grandiflora · flowers from October
- Velvet mesquite Prosopis velutina · flowers from April
- Verbena Verbena bonariensis · flowers from June
- Viburnum Viburnum opulus · flowers from May
- Vietnamese balm (kinh giới) Elsholtzia ciliata
- Virginia bluebells Mertensia virginica · flowers from April
- Wall cotoneaster Cotoneaster horizontalis · flowers from May
- Wallflower Erysimum cheiri
- Wall germander Teucrium chamaedrys · flowers from June
- Waratah Telopea speciosissima · flowers from May
- Wax apple (chomphu) Syzygium samarangense
- Weeping boer-bean (huilboerboon) Schotia brachypetala · flowers from March
- Weeping bottlebrush Melaleuca viminalis
- Weld (dyer’s rocket) Reseda luteola · flowers from June
- Western redbud Cercis occidentalis · flowers from March
- White carob tree (algarrobo blanco) Prosopis alba · flowers from October
- White clover Trifolium repens · flowers from May
- White horehound Marrubium vulgare · flowers from June
- White rock cress (Caucasian arabis) Arabis caucasica · flowers from April
- White sage (sacred sage) Salvia apiana · flowers from April
- White turtlehead Chelone glabra · flowers from August
- White wild indigo Baptisia alba · flowers from May
- Whorled heath Erica verticillata · flowers from January
- Wild almond Brabejum stellatifolium · flowers from November
- Wild bergamot Monarda fistulosa · flowers from July
- Wild geranium (spotted cranesbill) Geranium maculatum · flowers from April
- Wild medlar (mmilo, umviyo) Vangueria infausta · flowers from March
- Wild pear (drolpeer) Dombeya rotundifolia · flowers from February
- Willow gentian Gentiana asclepiadea · flowers from August
- Winecup (purple poppy mallow) Callirhoe involucrata · flowers from May
- Winter aconite Eranthis hyemalis · flowers from February
- Winter savory Satureja montana · flowers from July
- Woodland phlox (wild blue phlox) Phlox divaricata · flowers from April
- Yarrow Achillea millefolium · flowers from June
- Yellow apricot blossom (hoa mai) Ochna integerrima · flowers from January
- Yellow asphodel (King’s spear, Jacob’s rod) Asphodeline lutea · flowers from May
- Yellow bells (yellow trumpetbush) Tecoma stans
- Yellow flame tree (copperpod, non si) Peltophorum pterocarpum · flowers from March
- Yellow mombin (hog plum, cajá, jobo) Spondias mombin · flowers from March
- Yellow saraca Saraca cauliflora · flowers from February
- Yoshino cherry (Somei-yoshino) Prunus × yedoensis · flowers from April
- Yuzu Citrus junos · flowers from May
- Za’atar (Syrian oregano) Origanum syriacum · flowers from May
- Zinnia Zinnia elegans
Reference values for planning, not horticultural, veterinary or medical advice. Varieties, soils and local climates differ: check with a local nursery or extension service.