Roselle in Zone 7a & 7b
Hibiscus sabdariffa
When to plant roselle 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. Roselle needs a head start most zones can't give it by direct-sowing alone.
| Start indoors | Feb 13–Feb 20 |
|---|---|
| Direct sow / transplant outside | Apr 24–May 1 |
| Estimated harvest | Sep 21–Sep 28 (~150 days after transplanting) |
Spacing: about 10 square feet per plant (square-foot-gardening spacing). Mature height: 4-7 ft.
Roselle is grown for the fleshy red calyx left behind when the flower drops, which is what red hibiscus tea is made from. Almost everything about its timing is late.
How roselle fits zone 7's season
Zone 7b's frost-free window runs about 198 days, from April 10 to October 25. Roselle needs about 150 days from transplant to first harvest.
Good companions
No standout companions recorded yet for Roselle.
Where to buy roselle seeds
See why we recommend these suppliers →
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See it growing
Search YouTube for "growing roselle" 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 Roselle in USDA zone 7b: when to start seeds indoors, when to direct-sow, and when to expect a harvest.
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