Eucalyptus in Zone 9a & 9b
Eucalyptus pulverulenta
When to plant eucalyptus in zone 9b
Zones 9a and 9b share the same average frost dates in our data, so this page covers both.
Method: Start indoors: Start indoors from seed, then transplant outside. Eucalyptus needs a head start most zones can't give it by direct-sowing alone.
| Start indoors | Dec 14–Dec 21 |
|---|---|
| Direct sow / transplant outside | Feb 22–Mar 1 |
| Estimated bloom | Jun 2–Jun 9 (~100 days after transplanting) |
Spacing: 1 per square foot (square-foot-gardening spacing). Mature height: 2-4 ft.

Eucalyptus supplies the silver-blue, rounded foliage familiar from florist bouquets, grown here from seed as an annual cut-flower filler outside its natural zone 9-11 perennial range.
How eucalyptus fits zone 9's season
Zone 9b's frost-free window runs about 293 days, from February 15 to December 5. Eucalyptus needs about 100 days from transplant to first harvest.
Good companions
No standout companions recorded yet for Eucalyptus.
Where to buy eucalyptus seeds
See why we recommend these suppliers →
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See it growing
Search YouTube for "growing eucalyptus" videos → (a live search, not a hand-picked video; results vary and aren't vetted by us)
← Back to the full zone 9b calendar · Full companion planting guide · Full plant profile · Plan your beds in the Garden Designer →

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Growing Eucalyptus in USDA zone 9b: when to start seeds indoors, when to direct-sow, and when to expect a bloom.
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