When to Plant Cosmos in Mineral Ridge, Ohio (44440)
Location
Mineral Ridge, Ohio
ZIP Code
44440
USDA Zone
6a
Last Frost
Monday, April 20, 2026
๐ Planting Calendar
Pro Tip: Sow Cosmos directly outdoors around your last frost date when soil starts to warm.
๐ฟ Plant Details
โ๏ธ Growing Requirements
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Sun
Full Sun (6-8 hours)
๐ง
Water
Low-Moderate
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Spacing
18" apart
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Planting Depth
0.25" deep
Seeds typically germinate in 7-14 days
Ready to Plant Cosmos in Mineral Ridge?
Get your seeds now so they're ready by Monday, April 20, 2026.
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Other Plants for Mineral Ridge
Growing Cosmos in Zone 6a
Cosmos (Cosmos bipinnatus) is a popular garden vegetable. In Mineral Ridge, Ohio, which is in USDA Hardiness Zone 6a, you should direct sow seeds around Monday, April 20, 2026.
Your average last frost date is Monday, April 20, 2026. Cosmos grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.