When to Plant Valerian in Cumberland Center, Maine (04021)
Location
Cumberland Center, Maine
ZIP Code
04021
USDA Zone
5b
Last Frost
Saturday, April 25, 2026
๐ Planting Calendar
Pro Tip: Start Valerian seeds indoors 8 weeks before your last frost date, then transplant outdoors around Saturday, May 9, 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
24" apart
๐ฑ
Planting Depth
0.125" deep
Seeds typically germinate in 14-21 days
Ready to Plant Valerian in Cumberland Center?
Get your seeds now so they're ready by Saturday, February 28, 2026.
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Other Plants for Cumberland Center
Growing Valerian in Zone 5b
Valerian (Valeriana officinalis) is a popular garden vegetable. In Cumberland Center, Maine, which is in USDA Hardiness Zone 5b, you should start seeds indoors around Saturday, February 28, 2026.
Your average last frost date is Saturday, April 25, 2026. Plan to transplant your Valerian seedlings outdoors around Saturday, May 9, 2026, about 2 weeks after your last frost date.