Treasure flower (gazania) Gazania rigens
Treasure flower (gazania) (Gazania rigens) is an evergreen perennial flowering plant in the Asteraceae family, native to Coastal South Africa and Mozambique. It grows 15–30 cm (6–12 in) tall and 25–40 cm (10–16 in) wide, wants full sun and low water, and is hardy to about -5 °C (23 °F). Space plants about 30 cm (12 in) apart.
Plan Treasure flower (gazania) in your garden →
Free. Draw your beds, then watch it grow through the year in 2D and 3D.
Treasure flower (gazania) at a glance
| Type | Perennial flowering plant, evergreen |
|---|---|
| Family | Asteraceae |
| Mature height | 15–30 cm (6–12 in) |
| Mature spread | 25–40 cm (10–16 in) |
| Spacing | 30 cm (12 in) centre to centre |
| Sun | Full sun, at least 7 h of direct sun a day |
| Water | Low; drought tolerance high, waterlogging tolerance none |
| Soil pH | 5.5–7.5 |
| Cold hardiness | About -5 °C (23 °F) once established (roughly USDA zone 9) |
| Heat stress | Likely above about 38 °C (100 °F) |
| Flowering | from about May for 17–29 weeks (northern hemisphere; later in cold climates, earlier in warm ones) |
| Wind tolerance | Moderate |
| Pollinator value | Moderate |
| Edible | Not grown as food |
| Native to | Coastal South Africa and Mozambique |
| Common in gardens of | 🇿🇦 South Africa, 🇦🇺 Australia, 🇺🇸 United States |
| Invasive in | Australia (environmental weed in several states): check local rules before planting |
Is Treasure flower (gazania) toxic?
- People: not known to be toxic
- Cats: not known to be toxic
- Dogs: not known to be toxic
Not reported as toxic by the ASPCA; flowers are not edible but are 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 Treasure flower (gazania)
No well-documented helpful pairing. Group it with plants that like full sun and low water.
Questions about Treasure flower (gazania)
- How far apart should I plant Treasure flower (gazania)?
- About 30 cm (12 in) apart, centre to centre. A mature plant spreads 25–40 cm (10–16 in).
- Does Treasure flower (gazania) need full sun?
- Full sun: at least 7 hours of direct sun a day.
- How much water does Treasure flower (gazania) need?
- Low water. Drought tolerance is high and waterlogging tolerance none.
- How cold-hardy is Treasure flower (gazania)?
- It tolerates about -5 °C (23 °F) once established, roughly USDA zone 9.
- When does Treasure flower (gazania) flower?
- From about May for 17–29 weeks (northern hemisphere; later in cold climates, earlier in warm ones).
- Is Treasure flower (gazania) 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 reported as toxic by the ASPCA; flowers are not edible but are not known to be poisonous.
- What grows well with Treasure flower (gazania)?
- There is no well-documented companion pairing for Treasure flower (gazania). Group it with plants that like the same sun (full sun) and water (low).
Sources and evidence
Evidence grade C (C: plausible, mixed evidence).
- PlantZAfrica, South African National Biodiversity Institute
- RHS Plant Finder, Royal Horticultural Society
- ASPCA Toxic and Non-Toxic Plant List, ASPCA
Notes and assumptions
- Typical garden-form values; cultivars and local conditions differ.
- Perennial in frost-free climates; grown as an annual where winters are below about -5 C. Flowers close in shade and on dull days.
Reference values for planning, not horticultural, veterinary or medical advice. Varieties, soils and local climates differ: check with a local nursery or extension service.
Related plants
- Lettuce Lactuca sativa
- Sunflower Helianthus annuus
- French marigold Tagetes patula
- Zinnia Zinnia elegans
- Cosmos Cosmos bipinnatus
- Purple coneflower Echinacea purpurea
- Black-eyed Susan Rudbeckia hirta
- French tarragon Artemisia dracunculus