When to Plant Marigold in Charleston, South Carolina (29402)
Location
Charleston, South Carolina
ZIP Code
29402
USDA Zone
9a
Last Frost
Friday, February 20, 2026
๐ Planting Calendar
Pro Tip: Start Marigold seeds indoors 6 weeks before your last frost date, then transplant outdoors around Friday, March 6, 2026.
๐ฟ Plant Details
โ๏ธ Growing Requirements
โ๏ธ
Sun
Full Sun (6-8 hours)
๐ง
Water
Moderate (1 inch/week)
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Spacing
12" apart
๐ฑ
Planting Depth
0.25" deep
Seeds typically germinate in 5-10 days
Ready to Plant Marigold in Charleston?
Get your seeds now so they're ready by Friday, January 9, 2026.
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Other Plants for Charleston
Growing Marigold in Zone 9a
Marigold (Tagetes patula) is a popular garden vegetable. In Charleston, South Carolina, which is in USDA Hardiness Zone 9a, you should start seeds indoors around Friday, January 9, 2026.
Your average last frost date is Friday, February 20, 2026. Plan to transplant your Marigold seedlings outdoors around Friday, March 6, 2026, about 2 weeks after your last frost date.