Annual flower
Annual Salvia (Scarlet Sage) plant profile
Salvia splendens
An annual flower for full sun.
Last updated .
When to plant
When to plant Annual Salvia (Scarlet Sage)
Start seeds indoors
8 weeks before your last spring frost to 6 weeks before your last spring frost
Transplant outdoors
at your last spring frost to 2 weeks after your last spring frost
Growing conditions
- Sun
- Full sun
- Soil pH
- 6 to 8
- Lifecycle
- Annual
Common problems
Watch for these
Also watch for: damping off, stem rot, whiteflies.
Evidence trail
Evidence behind this profile
Original extension and institutional publications behind the planting, care, and safety facts on this page.
- Salvia splendens (Salvia, Scarlet Sage)
NC State Extension (North Carolina Extension Gardener Plant Toolbox). Supports general reference. Checked 2026-06-18.
- Salvia (HGIC 1174)
Clemson Cooperative Extension, Home & Garden Information Center. Supports indoor seed-starting timing (normalized) and outdoor transplant timing (normalized). Checked 2026-06-13.