When to Plant Mâche in Rapid City, South Dakota (57702)

Location

Rapid City, South Dakota

ZIP Code

57702

USDA Zone

Last Frost

Sunday, May 10, 2026

📅 Planting Calendar

Direct Sow Outdoors Sunday, March 29, 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 Rapid City?

Get your seeds now so they're ready by Sunday, March 29, 2026.

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Growing Mâche in Zone 5a

Mâche (Valerianella locusta) is a popular garden vegetable. In Rapid City, South Dakota, which is in USDA Hardiness Zone 5a, you should direct sow seeds around Sunday, March 29, 2026.

Your average last frost date is Sunday, May 10, 2026. Mâche grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.