When to Plant Snapdragon in Mont Alto, Pennsylvania (17237)
Location
Mont Alto, Pennsylvania
ZIP Code
17237
USDA Zone
7a
Last Frost
Friday, April 10, 2026
๐ Planting Calendar
Pro Tip: Start Snapdragon seeds indoors 8 weeks before your last frost date, then transplant outdoors around Friday, April 24, 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 Mont Alto?
Get your seeds now so they're ready by Friday, February 13, 2026.
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๐ค Good Companions
Other Plants for Mont Alto
Growing Snapdragon in Zone 7a
Snapdragon (Antirrhinum majus) is a popular garden vegetable. In Mont Alto, Pennsylvania, which is in USDA Hardiness Zone 7a, you should start seeds indoors around Friday, February 13, 2026.
Your average last frost date is Friday, April 10, 2026. Plan to transplant your Snapdragon seedlings outdoors around Friday, April 24, 2026, about 2 weeks after your last frost date.