Lettuce, Parris Island Cos illustration 🥬

🥬 Growing Lettuce, Parris Island Cos in Zone 9a

Zone 9a has warm winters and an extended growing season — excellent for heat-loving crops like Lettuce, Parris Island Cos. 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 11x)

Zone9a
Last FrostMar 20
First FrostNov 12
Season Length237 days
Days to Harvest70
SunPart Sun / Part Shade
Frost ToleranceLight
Spacing4/sqft (6" apart)

When to Plant Lettuce, Parris Island Cos in Zone 9a

Start Seeds Indoors: Feb 6

Start Lettuce, Parris Island Cos 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, Parris Island Cos 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, Parris Island Cos around Sep 17 (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