When to Plant Salvia (Annual) in Biwabik, Minnesota (55708)

Location

Biwabik, Minnesota

ZIP Code

55708

USDA Zone

Last Frost

Wednesday, May 20, 2026

📅 Planting Calendar

Start Seeds Indoors Wednesday, March 11, 2026

Transplant Outdoors Wednesday, June 3, 2026

Pro Tip: Start Salvia (Annual) seeds indoors 10 weeks before your last frost date, then transplant outdoors around Wednesday, June 3, 2026.

🌿 Plant Details

Scientific Name Salvia splendens

Days to Maturity 75 days

Mature Height 12-24"

Spread 12"

☀️ Growing Requirements

☀️

Sun

Full Sun to Partial Shade

💧

Water

Moderate (1 inch/week)

↔️

Spacing

12" apart

🌱

Planting Depth

0.125" deep

Seeds typically germinate in 10-21 days

Ready to Plant Salvia (Annual) in Biwabik?

Get your seeds now so they're ready by Wednesday, March 11, 2026.

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Growing Salvia (Annual) in Zone 3b

Salvia (Annual) (Salvia splendens) is a popular garden vegetable. In Biwabik, Minnesota, which is in USDA Hardiness Zone 3b, you should start seeds indoors around Wednesday, March 11, 2026.

Your average last frost date is Wednesday, May 20, 2026. Plan to transplant your Salvia (Annual) seedlings outdoors around Wednesday, June 3, 2026, about 2 weeks after your last frost date.