Delphinium in Zone 10a
Delphinium elatum
Method: Buy as a start — Buy as a nursery start and transplant outside — Delphinium is slow or unreliable from seed, so most gardeners skip seed-starting it entirely.
| Window | Fall window |
|---|---|
| Start indoors | Not started from seed — buy as a nursery start |
| Direct sow / transplant outside | Sep–Nov |
| Estimated bloom | ~150 days after transplanting |
Spacing: 1 per square foot (square-foot-gardening spacing).
Zone 10a dates sourced from growinginthegarden.com.
Good companions
No standout companions recorded yet for Delphinium.
Where to buy delphinium starts
Delphinium is almost always bought as a nursery start rather than seeded — check a local nursery or garden center; we haven't vetted online start/plant suppliers yet.
See it growing
Search YouTube for "growing delphinium" videos → (a live search, not a hand-picked video — results vary and aren't vetted by us)
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