Lettuce, Jericho illustration 🥬

🥬 Growing Lettuce, Jericho in Zone 10a

Zone 10a has a year-round growing season. Lettuce, Jericho can be planted almost any time with proper planning. Last frost: Feb 20. First frost: Dec 1.

Planting Calendar

Indoor
Outdoor
Harvest
Jan 9Dec 1

Season: Feb 20 – Dec 1 (284 days) · Succession: plant every 2 weeks (up to 16x)

Zone10a
Last FrostFeb 20
First FrostDec 1
Season Length284 days
Days to Harvest60
SunPart Sun / Part Shade
Frost ToleranceLight
Spacing4/sqft (6" apart)

When to Plant Lettuce, Jericho in Zone 10a

Start Seeds Indoors: Jan 9

Start Lettuce, Jericho seeds indoors around Jan 9 (6 weeks before last frost). Optimal germination temperature: 65°F. Germinates in 4–10 days.

Transplant Outdoors: Jan 30

Transplant Lettuce, Jericho seedlings outdoors after Jan 30. Wait until soil temperature reaches 40°F. Space plants at 4/sqft (6" apart). Harden off plants for a week before moving outside.

Harvest: Mar 6

First harvest approximately Mar 6 (~35 days from transplant). Continue harvesting until first frost (Dec 1).

Fall Planting: Oct 6

For a fall harvest, plant Lettuce, Jericho around Oct 6 (8 weeks before first frost).

Companion Planting

✅ Strawberries✅ Carrots✅ Beets✅ Cucumbers✅ Radishes

Plan Your Lettuce, Jericho Garden

Track Lettuce, Jericho from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.

Start Free Lettuce, Jericho Growing Guide