When to Plant Catnip in Coal City, Indiana (47427)
Location
Coal City, Indiana
ZIP Code
47427
USDA Zone
6a
Last Frost
Monday, April 20, 2026
๐ Planting Calendar
Pro Tip: Start Catnip seeds indoors 8 weeks before your last frost date, then transplant outdoors around Monday, May 4, 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 Coal City?
Get your seeds now so they're ready by Monday, February 23, 2026.
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๐ค Good Companions
Other Plants for Coal City
Growing Catnip in Zone 6a
Catnip (Nepeta cataria) is a popular garden vegetable. In Coal City, Indiana, which is in USDA Hardiness Zone 6a, you should start seeds indoors around Monday, February 23, 2026.
Your average last frost date is Monday, April 20, 2026. Plan to transplant your Catnip seedlings outdoors around Monday, May 4, 2026, about 2 weeks after your last frost date.