Dusty Miller in Zone 10a & 10b
Senecio cineraria
When to plant dusty miller in zone 10b
Zones 10a and 10b share the same average frost dates in our data, so this page covers both.
Method: Start indoors: Start indoors from seed, then transplant outside. Dusty Miller needs a head start most zones can't give it by direct-sowing alone.
| Start indoors | Nov 28–Dec 5 |
|---|---|
| Direct sow / transplant outside | Feb 6–Feb 13 |
| Estimated bloom | May 7–May 14 (~90 days after transplanting) |
Spacing: 4 per square foot (square-foot-gardening spacing). Mature height: 0.5-1 ft.
Dusty miller is grown for its silvery, felted foliage rather than for any flower, a classic bedding and container plant that also earns a spot as a fresh-cut filler that softens bolder bouquet colors.
How dusty miller fits zone 10's season
Zone 10b's frost-free window runs about 324 days, from January 30 to December 20. Dusty Miller needs about 90 days from transplant to first harvest.
Good companions
No standout companions recorded yet for Dusty Miller.
Where to buy dusty miller 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 dusty miller" videos → (a live search, not a hand-picked video; results vary and aren't vetted by us)
← Back to the full zone 10b calendar · Full companion planting guide · Full plant profile · Plan your beds in the Garden Designer →
Pin this for later
Growing Dusty Miller in USDA zone 10b: when to start seeds indoors, when to direct-sow, and when to expect a bloom.
Save to Pinterest