When should I plant Lettuce, Red Sails in Zone 9a?

Start Lettuce, Red Sails seeds indoors around Feb 6. Transplant outdoors after Feb 27. Expect first harvest around Apr 3.

What is the last frost date for Zone 9a?

The average last spring frost date for Zone 9a is Mar 20. The first fall frost averages Nov 12, giving a 237-day growing season.

Can I grow Lettuce, Red Sails in Zone 9a?

Yes. Lettuce, Red Sails needs 45 days to harvest. Zone 9a has a 237-day growing season, which is sufficient. You can plant up to 13 successions.

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🥬 Growing Lettuce, Red Sails in Zone 9a

Zone 9a has warm winters and an extended growing season — excellent for heat-loving crops like Lettuce, Red Sails. 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 13x)

Zone9a

Last FrostMar 20

First FrostNov 12

Season Length237 days

Days to Harvest45

SunPart Sun / Part Shade

Frost ToleranceLight

Spacing4/sqft (6" apart)

When to Plant Lettuce, Red Sails in Zone 9a

Start Seeds Indoors: Feb 6

Start Lettuce, Red Sails 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, Red Sails 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, Red Sails around Sep 17 (8 weeks before first frost).

Companion Planting

✅ Strawberries✅ Carrots✅ Beets✅ Cucumbers✅ Radishes

Lettuce, Red Sails in Other Zones

1a 1b 2a 2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a 10b 11a 11b 12a 12b 13a 13b

Plan Your Lettuce, Red Sails Garden

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

Start Free Lettuce, Red Sails Growing Guide