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When to Plant Swiss Chard in Copper Harbor, Michigan (49918)

Location

Copper Harbor, Michigan

ZIP Code

49918

USDA Zone

6a

Last Frost

Monday, April 20, 2026

📅 Planting Calendar

Direct Sow Outdoors Monday, March 9, 2026

Pro Tip: Swiss Chard can be directly sown outdoors. Plant 6 weeks before your last frost date.

🌿 Plant Details

Scientific Name Beta vulgaris
Days to Maturity 280 days

☀️ Growing Requirements

☀️

Sun

Full Sun

💧

Water

Regular

Seeds typically germinate in 1-7 days

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Other Plants for Copper Harbor

Growing Swiss Chard in Zone 6a

Swiss Chard (Beta vulgaris ) is a popular garden vegetable. In Copper Harbor, Michigan, which is in USDA Hardiness Zone 6a, you should direct sow seeds around Monday, March 9, 2026.

Your average last frost date is Monday, April 20, 2026. Swiss Chard grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.