Lettuce, Parris Island Cos illustration 🥬

🥬 Growing Lettuce, Parris Island Cos in Zone 4b

Zone 4b has cold winters and a moderate growing season. Timing is key for Lettuce, Parris Island Cos in this zone. Last frost: May 1. First frost: Oct 5.

Planting Calendar

Indoor
Outdoor
Harvest
Mar 20Oct 5

Season: May 1 – Oct 5 (157 days) · Succession: plant every 2 weeks (up to 6x)

Zone4b
Last FrostMay 1
First FrostOct 5
Season Length157 days
Days to Harvest70
SunPart Sun / Part Shade
Frost ToleranceLight
Spacing4/sqft (6" apart)

When to Plant Lettuce, Parris Island Cos in Zone 4b

Start Seeds Indoors: Mar 20

Start Lettuce, Parris Island Cos seeds indoors around Mar 20 (6 weeks before last frost). Optimal germination temperature: 65°F. Germinates in 4–10 days.

Transplant Outdoors: Apr 10

Transplant Lettuce, Parris Island Cos seedlings outdoors after Apr 10. Wait until soil temperature reaches 40°F. Space plants at 4/sqft (6" apart). Harden off plants for a week before moving outside.

Harvest: May 15

First harvest approximately May 15 (~35 days from transplant). Continue harvesting until first frost (Oct 5).

Fall Planting: Aug 10

For a fall harvest, plant Lettuce, Parris Island Cos around Aug 10 (8 weeks before first frost).

Companion Planting

✅ Strawberries✅ Carrots✅ Beets✅ Cucumbers✅ Radishes

Plan Your Lettuce, Parris Island Cos Garden

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

Start Free Lettuce, Parris Island Cos Growing Guide