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When to Plant Spinach in Union Pier, Michigan (49129)

Location

Union Pier, Michigan

ZIP Code

49129

USDA Zone

6b

Last Frost

Wednesday, April 15, 2026

📅 Planting Calendar

Direct Sow Outdoors Wednesday, March 4, 2026

Pro Tip: Sow Spinach directly outdoors 6 weeks before your last frost date.

🌿 Plant Details

Scientific Name Spinacia oleracea
Days to Maturity 40 days
Mature Height 6-12"
Spread 6"
Type Leaf
Fruit Size N/A

☀️ Growing Requirements

☀️

Sun

Partial Shade to Full Sun

💧

Water

Regular (keep moist)

↔️

Spacing

6" apart

🌱

Planting Depth

0.5" deep

Seeds typically germinate in 7-14 days

Ready to Plant Spinach in Union Pier?

Get your seeds now so they're ready by Wednesday, March 4, 2026.

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🤝 Good Companions

StrawberryPeaBeanBrassicas

Other Plants for Union Pier

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Growing Spinach in Zone 6b

Spinach (Spinacia oleracea) is a popular garden vegetable. In Union Pier, Michigan, which is in USDA Hardiness Zone 6b, you should direct sow seeds around Wednesday, March 4, 2026.

Your average last frost date is Wednesday, April 15, 2026. Spinach grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.