Eucalyptus in Zone 4a & 4b
Eucalyptus pulverulenta
When to plant eucalyptus in zone 4b
Zones 4a and 4b 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 | Mar 13–Mar 20 |
|---|---|
| Direct sow / transplant outside | May 22–May 29 |
| Estimated bloom | Aug 30–Sep 6 (~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 4's season
Zone 4b's frost-free window runs about 128 days, from May 15 to September 20. 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 4b calendar · Full companion planting guide · Full plant profile · Plan your beds in the Garden Designer →
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Growing Eucalyptus in USDA zone 4b: when to start seeds indoors, when to direct-sow, and when to expect a bloom.
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