Craspedia (Drumstick Flower) in Zone 6a & 6b
Craspedia globosa
When to plant craspedia (drumstick flower) in zone 6b
Zones 6a and 6b 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 | Mar 7–Mar 14 |
|---|---|
| Direct sow / transplant outside | May 2–May 9 |
| Estimated bloom | Aug 25–Sep 1 (~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 6's season
Zone 6b's frost-free window runs about 173 days, from April 25 to October 15. Craspedia (Drumstick Flower) needs about 115 days from transplant to first harvest.
Good companions
No standout companions recorded yet for Craspedia (Drumstick Flower).
Where to buy craspedia seeds
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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 6b calendar · Full companion planting guide · Full plant profile · Plan your beds in the Garden Designer →

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Growing Craspedia (Drumstick Flower) in USDA zone 6b: when to start seeds indoors, when to direct-sow, and when to expect a bloom.
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