Wax Begonia in Zone 8a & 8b
Begonia semperflorens
When to plant wax begonia in zone 8b
Zones 8a and 8b share the same average frost dates in our data, so this page covers both.
Method: Start indoors: Start indoors from seed, then transplant outside. Wax Begonia needs a head start most zones can't give it by direct-sowing alone.
| Start indoors | Dec 31–Jan 7 '27 |
|---|---|
| Direct sow / transplant outside | Apr 8–Apr 15 |
| Estimated bloom | Jul 7–Jul 14 (~90 days after transplanting) |
Spacing: 2 per square foot (square-foot-gardening spacing). Mature height: 0.5-2 ft.
Wax begonia is the low, glossy-leaved bedding plant that flowers steadily from summer into autumn in shade.
How wax begonia fits zone 8's season
Zone 8b's frost-free window runs about 230 days, from March 25 to November 10. Wax Begonia needs about 90 days from transplant to first harvest.
Good companions
No standout companions recorded yet for Wax Begonia.
Where to buy wax begonia seeds
See why we recommend these suppliers →
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See it growing
Search YouTube for "growing wax begonia" videos → (a live search, not a hand-picked video; results vary and aren't vetted by us)
← Back to the full zone 8b calendar · Full companion planting guide · Full plant profile · Plan your beds in the Garden Designer →
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Growing Wax Begonia in USDA zone 8b: when to start seeds indoors, when to direct-sow, and when to expect a bloom.
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