Lanceleaf coreopsis (tickseed) Coreopsis lanceolata
Lanceleaf coreopsis (tickseed) (Coreopsis lanceolata) is a deciduous perennial flowering plant in the Asteraceae family, native to Sandy prairies and open ground of eastern and central United States. It grows 30–60 cm (12–24 in) tall and 30–50 cm (12–20 in) wide, wants full sun and low water, and is hardy to about -32 °C (-26 °F). Space plants about 30 cm (12 in) apart.
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Lanceleaf coreopsis (tickseed) at a glance
| Type | Perennial flowering plant, deciduous |
|---|---|
| Family | Asteraceae |
| Mature height | 30–60 cm (12–24 in) |
| Mature spread | 30–50 cm (12–20 in) |
| Spacing | 30 cm (12 in) centre to centre |
| Sun | Full sun, at least 6 h of direct sun a day |
| Water | Low; drought tolerance high, waterlogging tolerance none |
| Soil pH | 5–8 |
| Cold hardiness | About -32 °C (-26 °F) once established (roughly USDA zone 4) |
| Heat stress | Likely above about 38 °C (100 °F) |
| Flowering | from about May for 6–10 weeks (northern hemisphere; later in cold climates, earlier in warm ones) |
| Wind tolerance | Low |
| Pollinator value | High |
| Edible | Not grown as food |
| Native to | Sandy prairies and open ground of eastern and central United States |
| Common in gardens of | 🇺🇸 United States, 🇨🇦 Canada, 🇯🇵 Japan, 🇨🇳 China, 🇬🇧 United Kingdom, 🇩🇪 Germany |
| Invasive in | Japan (a designated invasive alien species), parts of China and Korea: check local rules before planting |
Is Lanceleaf coreopsis (tickseed) toxic?
- People: not known to be toxic
- Cats: not known to be toxic
- Dogs: not known to be toxic
Not known to be poisonous.
If a child or pet may have eaten part of a plant, call a poison centre or vet straight away.
Companion planting: what to grow with Lanceleaf coreopsis (tickseed)
No well-documented helpful pairing. Group it with plants that like full sun and low water.
Questions about Lanceleaf coreopsis (tickseed)
- How far apart should I plant Lanceleaf coreopsis (tickseed)?
- About 30 cm (12 in) apart, centre to centre. A mature plant spreads 30–50 cm (12–20 in).
- Does Lanceleaf coreopsis (tickseed) need full sun?
- Full sun: at least 6 hours of direct sun a day.
- How much water does Lanceleaf coreopsis (tickseed) need?
- Low water. Drought tolerance is high and waterlogging tolerance none.
- How cold-hardy is Lanceleaf coreopsis (tickseed)?
- It tolerates about -32 °C (-26 °F) once established, roughly USDA zone 4.
- When does Lanceleaf coreopsis (tickseed) flower?
- From about May for 6–10 weeks (northern hemisphere; later in cold climates, earlier in warm ones).
- Is Lanceleaf coreopsis (tickseed) poisonous to cats and dogs?
- For cats it is not known to be toxic; for dogs not known to be toxic; for people not known to be toxic. Not known to be poisonous.
- What grows well with Lanceleaf coreopsis (tickseed)?
- There is no well-documented companion pairing for Lanceleaf coreopsis (tickseed). Group it with plants that like the same sun (full sun) and water (low).
Sources and evidence
Evidence grade A (A: strong evidence).
- Plants of the World Online (taxonomy, native range), Royal Botanic Gardens, Kew
- Missouri Botanical Garden Plant Finder, Missouri Botanical Garden
- CABI Invasive Species Compendium, CABI
Notes and assumptions
- Bright yellow daisies with toothed petal tips on long stems over tufts of narrow leaves in early summer; deadhead for more. Thrives on poor, sandy soil. Sown on Japanese roadsides, it spread so widely that Japan now bans planting it.
Reference values for planning, not horticultural, veterinary or medical advice. Varieties, soils and local climates differ: check with a local nursery or extension service.
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