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When to Plant Mâche in Los Angeles, California (90021)

Location

Los Angeles, California

ZIP Code

90021

USDA Zone

10b

Last Frost

Thursday, January 15, 2026

📅 Your 2026 Planting Dates

Direct Sow Outdoors

Thursday, December 4, 2025

Based on last frost Thursday, January 15, 2026 · Zone 10b

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 Los Angeles?

Get your seeds now so they're ready by Thursday, December 4, 2025.

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🤝 Good Companions

RadishCarrotBeet
🤝

Full Companion Planting Guide for Mâche

See which plants help Mâche thrive, which to keep away, and raised bed layout tips →

🛠️ Supplies You'll Need

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🌾 Seed Saving Guide

🟢 Easy
✅ Open-pollinated — seeds grow true to parent

When to Harvest Seed

Allow plants to flower and seed pods to dry on the plant.

Processing

Thresh dried plants over a bowl, separate seeds from chaff by winnowing.

Seed Viability

Up to 3 years when stored cool, dark, and dry.

Pro Tip

Mâche self-sows freely — allow some plants to go to seed in place for a perpetual crop.

🪴

Raised Bed Planting Guides

A 4×8 bed fits 9 per sq ft of Mâche. See plant counts, spacing grids, and companion pairings for every bed size →

Frequently Asked Questions

When should I plant Mâche in Los Angeles, California? +

In Los Angeles (Zone 10b), direct sow Mâche outdoors around Thursday, December 4, 2025.

What is the last frost date for Los Angeles, California? +

The average last spring frost date for Los Angeles, California (ZIP 90021) is around Thursday, January 15, 2026. This is based on NOAA climate normals for USDA Zone 10b.

How long does Mâche take to grow? +

Mâche typically matures in about 45 days from direct sowing. In Los Angeles, that means you can expect harvest around Thursday, December 4, 2025 plus 45 days.

Should I start Mâche indoors or direct sow in California? +

Mâche does best when direct sown outdoors. In Los Angeles, sow directly around Thursday, December 4, 2025.

Other Plants for Los Angeles

Growing Mâche in Zone 10b

Mâche (Valerianella locusta) is a popular garden vegetable. In Los Angeles, California, which is in USDA Hardiness Zone 10b, you should direct sow seeds around Thursday, December 4, 2025.

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