When to Plant Marigold in Harrison City, Pennsylvania (15636)
Location
Harrison City, Pennsylvania
ZIP Code
15636
USDA Zone
6b
Last Frost
Wednesday, April 15, 2026
๐ Planting Calendar
Pro Tip: Start Marigold seeds indoors 6 weeks before your last frost date, then transplant outdoors around Wednesday, April 29, 2026.
๐ฟ Plant Details
โ๏ธ Growing Requirements
โ๏ธ
Sun
Full Sun (6-8 hours)
๐ง
Water
Moderate (1 inch/week)
โ๏ธ
Spacing
12" apart
๐ฑ
Planting Depth
0.25" deep
Seeds typically germinate in 5-10 days
Ready to Plant Marigold in Harrison City?
Get your seeds now so they're ready by Wednesday, March 4, 2026.
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๐ค Good Companions
Other Plants for Harrison City
Growing Marigold in Zone 6b
Marigold (Tagetes patula) is a popular garden vegetable. In Harrison City, Pennsylvania, which is in USDA Hardiness Zone 6b, you should start seeds indoors around Wednesday, March 4, 2026.
Your average last frost date is Wednesday, April 15, 2026. Plan to transplant your Marigold seedlings outdoors around Wednesday, April 29, 2026, about 2 weeks after your last frost date.