Salvia (Scarlet Sage) in Zone 8a & 8b
Salvia splendens
When to plant salvia (scarlet sage) 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. Salvia (Scarlet Sage) needs a head start most zones can't give it by direct-sowing alone.
| Start indoors | Jan 28–Feb 4 |
|---|---|
| Direct sow / transplant outside | Apr 8–Apr 15 |
| Estimated bloom | Jun 27–Jul 4 (~80 days after transplanting) |
Spacing: 1 per square foot (square-foot-gardening spacing). Mature height: 1-1.5 ft.

Salvia (scarlet sage) is a long-season bloomer that doesn't quit. Once established it flowers steadily from late spring until frost, which makes it one of the more reliable season-long pollinator draws in the garden. The flowers themselves are narrow, upright spikes of tubular blooms, usually red, packed onto 1.5- to 3-foot plants.
How salvia (scarlet sage) fits zone 8's season
Zone 8b's frost-free window runs about 230 days, from March 25 to November 10. Salvia (Scarlet Sage) needs about 80 days from transplant to first harvest.
Good companions
No standout companions recorded yet for Salvia (Scarlet Sage).
Where to buy salvia seeds
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See it growing
Search YouTube for "growing salvia (scarlet sage)" 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 Salvia (Scarlet Sage) in USDA zone 8b: when to start seeds indoors, when to direct-sow, and when to expect a bloom.
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