Lettuce, Jericho illustration 🥬

🥬 Growing Lettuce, Jericho in Zone 9a

Zone 9a has warm winters and an extended growing season — excellent for heat-loving crops like Lettuce, Jericho. Last frost: Mar 20. First frost: Nov 12.

Planting Calendar

Indoor
Outdoor
Harvest
Feb 6Nov 12

Season: Mar 20 – Nov 12 (237 days) · Succession: plant every 2 weeks (up to 12x)

Zone9a
Last FrostMar 20
First FrostNov 12
Season Length237 days
Days to Harvest60
SunPart Sun / Part Shade
Frost ToleranceLight
Spacing4/sqft (6" apart)

When to Plant Lettuce, Jericho in Zone 9a

Start Seeds Indoors: Feb 6

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

Transplant Outdoors: Feb 27

Transplant Lettuce, Jericho seedlings outdoors after Feb 27. Wait until soil temperature reaches 40°F. Space plants at 4/sqft (6" apart). Harden off plants for a week before moving outside.

Harvest: Apr 3

First harvest approximately Apr 3 (~35 days from transplant). Continue harvesting until first frost (Nov 12).

Fall Planting: Sep 17

For a fall harvest, plant Lettuce, Jericho around Sep 17 (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