When to Plant Catnip in Clayton Lake, Maine (04737)
Location
Clayton Lake, Maine
ZIP Code
04737
USDA Zone
3b
Last Frost
Wednesday, May 20, 2026
๐ Planting Calendar
Pro Tip: Start Catnip 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
Low (less than 1 inch/week)
โ๏ธ
Spacing
18" apart
๐ฑ
Planting Depth
0.125" deep
Seeds typically germinate in 7-14 days
Ready to Plant Catnip in Clayton Lake?
Get your seeds now so they're ready by Wednesday, March 25, 2026.
* Affiliate links โ we may earn a small commission at no extra cost to you.
๐ค Good Companions
Other Plants for Clayton Lake
Growing Catnip in Zone 3b
Catnip (Nepeta cataria) is a popular garden vegetable. In Clayton Lake, Maine, 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 Catnip seedlings outdoors around Wednesday, June 3, 2026, about 2 weeks after your last frost date.