Lettuce, Black Seeded Simpson illustration 🥬

🥬 Growing Lettuce, Black Seeded Simpson in Zone 8b

Zone 8b has warm winters and an extended growing season — excellent for heat-loving crops like Lettuce, Black Seeded Simpson. Last frost: Mar 22. First frost: Nov 10.

Planting Calendar

Indoor
Outdoor
Harvest
Feb 8Nov 10

Season: Mar 22 – Nov 10 (233 days) · Succession: plant every 2 weeks (up to 13x)

Zone8b
Last FrostMar 22
First FrostNov 10
Season Length233 days
Days to Harvest45
SunPart Sun / Part Shade
Frost ToleranceLight
Spacing4/sqft (6" apart)

When to Plant Lettuce, Black Seeded Simpson in Zone 8b

Start Seeds Indoors: Feb 8

Start Lettuce, Black Seeded Simpson seeds indoors around Feb 8 (6 weeks before last frost). Optimal germination temperature: 65°F. Germinates in 4–10 days.

Transplant Outdoors: Mar 1

Transplant Lettuce, Black Seeded Simpson seedlings outdoors after Mar 1. 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 5

First harvest approximately Apr 5 (~35 days from transplant). Continue harvesting until first frost (Nov 10).

Fall Planting: Sep 15

For a fall harvest, plant Lettuce, Black Seeded Simpson around Sep 15 (8 weeks before first frost).

Companion Planting

✅ Strawberries✅ Carrots✅ Beets✅ Cucumbers✅ Radishes

Plan Your Lettuce, Black Seeded Simpson Garden

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

Start Free Lettuce, Black Seeded Simpson Growing Guide