Craspedia (Drumstick Flower) in Zone 11a & 11b
Craspedia globosa
When to plant craspedia (drumstick flower) in zone 11b
Zones 11a and 11b share the same average frost dates in our data, so this page covers both.
Method: Start indoors: Start indoors from seed, then transplant outside. Craspedia (Drumstick Flower) needs a head start most zones can't give it by direct-sowing alone.
| Start indoors | Nov 13–Nov 20 |
|---|---|
| Direct sow / transplant outside | Jan 8–Jan 15 |
| Estimated bloom | May 3–May 10 (~115 days after transplanting) |
Spacing: 1 per square foot (square-foot-gardening spacing). Mature height: 2-3 ft.

Craspedia, often called drumstick flower or billy buttons, produces perfectly round, golf-ball-sized yellow flower heads on tall stems, a favorite for both fresh and dried arrangements because the blooms hold their shape and color so well.
How craspedia (drumstick flower) fits zone 11's season
Zone 11b is frost-free in this dataset, so frost is not what limits the calendar here. What you can plant, and when, comes down to summer heat and daylength instead.
Good companions
No standout companions recorded yet for Craspedia (Drumstick Flower).
Where to buy craspedia seeds
See why we recommend these suppliers →
As an Amazon Associate we earn from qualifying purchases. Some links on this page also go to other retailers we may earn a commission from as an affiliate, at no extra cost to you. We only recommend products with a genuine consensus of positive, independent reviews. See the sources cited on each item.
See it growing
Search YouTube for "growing craspedia (drumstick flower)" videos → (a live search, not a hand-picked video; results vary and aren't vetted by us)
← Back to the full zone 11b calendar · Full companion planting guide · Full plant profile · Plan your beds in the Garden Designer →

Pin this for later
Growing Craspedia (Drumstick Flower) in USDA zone 11b: when to start seeds indoors, when to direct-sow, and when to expect a bloom.
Save to Pinterest