Dusty Miller in Zone 7a & 7b
Senecio cineraria
When to plant dusty miller in zone 7b
Zones 7a and 7b 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 | Feb 6–Feb 13 |
|---|---|
| Direct sow / transplant outside | Apr 17–Apr 24 |
| Estimated bloom | Jul 16–Jul 23 (~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 7's season
Zone 7b's frost-free window runs about 198 days, from April 10 to October 25. 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 →
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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 7b calendar · Full companion planting guide · Full plant profile · Plan your beds in the Garden Designer →
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Growing Dusty Miller in USDA zone 7b: when to start seeds indoors, when to direct-sow, and when to expect a bloom.
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