When to Plant Snapdragon in Saco, Montana (59261)
Location
Saco, Montana
ZIP Code
59261
USDA Zone
3b
Last Frost
Wednesday, May 20, 2026
๐ Planting Calendar
Pro Tip: Start Snapdragon seeds indoors 8 weeks before your last frost date, then transplant outdoors around Wednesday, June 3, 2026.
๐ฟ Plant Details
โ๏ธ Growing Requirements
โ๏ธ
Sun
Full Sun to Partial Shade
๐ง
Water
Regular (1-2 inches/week)
โ๏ธ
Spacing
12" apart
๐ฑ
Planting Depth
0.125" deep
Seeds typically germinate in 10-21 days
Ready to Plant Snapdragon in Saco?
Get your seeds now so they're ready by Wednesday, March 25, 2026.
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๐ค Good Companions
Other Plants for Saco
Growing Snapdragon in Zone 3b
Snapdragon (Antirrhinum majus) is a popular garden vegetable. In Saco, Montana, which is in USDA Hardiness Zone 3b, you should start seeds indoors around Wednesday, March 25, 2026.
Your average last frost date is Wednesday, May 20, 2026. Plan to transplant your Snapdragon seedlings outdoors around Wednesday, June 3, 2026, about 2 weeks after your last frost date.