first bloom in
31
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Bloom calendar
Chrysanthemum coronarium (Glebionis coronaria)
annual chrysanthemum (now Glebionis)
At‑a‑glance
- Group/Class: annual chrysanthemum (now Glebionis)
- Height × spread: 12–36 in (30–90 cm) × 8–18 in (20–45 cm)
- Bloom window: spring to summer
- Color & flower form: yellow or yellow‑and‑white single daisies
- Fragrance: 1 trace
- USDA hardiness: grown as annual in all zones
- Breeder / Year / Origin: unknown
- Pet safety: unknown
How it differs
- True annual with spring to summer bloom rather than fall.
- Primarily grown for edible greens.
- Not intended for long‑term perennial borders.
- May self‑seed where happy.
Strengths
- Fast, easy crop from seed.
- Useful in edible beds and mixed borders.
- Tolerates a range of soils in full sun.
Care in one minute
Sow in full sun and well‑drained soil in spring.
Keep evenly moist for tender leaves.
Harvest young greens; deadhead to limit self‑seeding or allow a light reseed.
Sow successionally every few weeks for a steady supply.
Watch‑outs
- Bolts and becomes bitter in heat or drought.
- Leaves toughen if harvest is delayed.
- Self‑seeding can be vigorous.
Best uses (tags)
Provenance note
Mediterranean native; synonym Chrysanthemum coronarium; widely grown in Asian cuisines as shungiku or tong hao.
References
- Kew – Plants of the World Online: Chrysanthemum coronarium (syn. of Glebionis coronaria)
- UF/IFAS Extension – Tong Hao (Glebionis coronaria) vegetable profile
