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When to Plant Spinach in Cathlamet, Washington (98612)

Location

Cathlamet, Washington

ZIP Code

98612

USDA Zone

8b

Last Frost

Sunday, March 15, 2026

📅 Planting Calendar

Direct Sow Outdoors Sunday, February 1, 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 Cathlamet?

Get your seeds now so they're ready by Sunday, February 1, 2026.

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🤝 Good Companions

StrawberryPeaBeanBrassicas

Other Plants for Cathlamet

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Growing Spinach in Zone 8b

Spinach (Spinacia oleracea) is a popular garden vegetable. In Cathlamet, Washington, which is in USDA Hardiness Zone 8b, you should direct sow seeds around Sunday, February 1, 2026.

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