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When to Plant Salvia (Annual) in Lothair, Montana (59461)

Location

Lothair, Montana

ZIP Code

59461

USDA Zone

4a

Last Frost

Friday, May 15, 2026

๐Ÿ“… Planting Calendar

Start Seeds Indoors Friday, March 6, 2026
Transplant Outdoors Friday, May 29, 2026

Pro Tip: Start Salvia (Annual) seeds indoors 10 weeks before your last frost date, then transplant outdoors around Friday, May 29, 2026.

๐ŸŒฟ Plant Details

Scientific Name Salvia splendens
Days to Maturity 75 days
Mature Height 12-24"
Spread 12"

โ˜€๏ธ Growing Requirements

โ˜€๏ธ

Sun

Full Sun to Partial Shade

๐Ÿ’ง

Water

Moderate (1 inch/week)

โ†”๏ธ

Spacing

12" apart

๐ŸŒฑ

Planting Depth

0.125" deep

Seeds typically germinate in 10-21 days

Ready to Plant Salvia (Annual) in Lothair?

Get your seeds now so they're ready by Friday, March 6, 2026.

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Growing Salvia (Annual) in Zone 4a

Salvia (Annual) (Salvia splendens) is a popular garden vegetable. In Lothair, Montana, which is in USDA Hardiness Zone 4a, you should start seeds indoors around Friday, March 6, 2026.

Your average last frost date is Friday, May 15, 2026. Plan to transplant your Salvia (Annual) seedlings outdoors around Friday, May 29, 2026, about 2 weeks after your last frost date.