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When to Plant Mâche in Washington, District of Columbia (20521)

Location

Washington, District of Columbia

ZIP Code

20521

USDA Zone

8a

Last Frost

Friday, March 20, 2026

📅 Planting Calendar

Direct Sow Outdoors Friday, February 6, 2026

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

🌿 Plant Details

Scientific Name Valerianella locusta
Days to Maturity 45 days
Mature Height 4-8"
Spread 4"

☀️ Growing Requirements

☀️

Sun

Partial Shade to Full Sun

💧

Water

Moderate (1 inch/week)

↔️

Spacing

4" apart

🌱

Planting Depth

0.25" deep

Seeds typically germinate in 7-14 days

Ready to Plant Mâche in Washington?

Get your seeds now so they're ready by Friday, February 6, 2026.

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Growing Mâche in Zone 8a

Mâche (Valerianella locusta) is a popular garden vegetable. In Washington, District of Columbia, which is in USDA Hardiness Zone 8a, you should direct sow seeds around Friday, February 6, 2026.

Your average last frost date is Friday, March 20, 2026. Mâche grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.