When to Plant Lettuce in Mobile County, AL
Lettuce is a fast-growing cool-season green available in leaf, romaine, butterhead, and crisphead types. It is the foundation of salads and one of the easiest crops to grow.
Mobile County, Alabama is in USDA Zone 8b. The average last spring frost is March 3 and the first fall frost is November 24, giving you a growing season of approximately 266 days.
At an elevation of 101 feet, Mobile County receives approximately 48.3 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 97°F, so Lettuce may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring — great for early planting — but Lettuce will need more frequent watering and organic matter to retain nutrients.
Mobile County Soil Profile
Soil Type
Sandy Loam
Soil pH
4.8-6.1
Drainage
Well Drained
Plant Planting Risk Windows
Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.
Plant Water Budget
Lettuce Planting Timeline — Mobile County, AL
Lettuce Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | January 27 | Jan 27 – Feb 10 |
| Transplant Outdoors | March 3 | Mar 3 – Mar 17 |
| Direct Sow | February 17 | Feb 17 – Mar 10 |
| Fall Sowing | September 15 | Sep 15 – Sep 29 |
| Harvest | April 7 | Apr 7 – Jun 16 |
Plant 0.5" deep · 6" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | Start Indoors |
| February | Start Indoors Direct Sow |
| March | Transplant Outdoors Direct Sow |
| April | Harvest |
| May | Harvest |
| June | Harvest |
| July | — |
| August | — |
| September | Fall Sowing |
| October | — |
| November | — |
| December | — |
Growing Conditions
Sun
Partial Shade (3-6 hours)
Water
Moderate — regular watering
Days to Maturity
30–60 days
Soil pH
6 – 7
USDA Zone
Zone 8b
Growing Season
266 days
Growing Tips for Mobile County
Sow seeds directly every 2 weeks for continuous harvest. Provide afternoon shade in warm weather to delay bolting. Harvest in the morning for crispest leaves.
Companion Planting
Good Companions
Avoid Planting Near
Level Up Your Garden
Very easy to save. Let a few plants bolt each season.
Lettuce in Other Locations
Frequently Asked Questions
When should I plant Lettuce in Mobile County, AL?
Mobile County is in Zone 8b with an average last frost of March 3. Plan your Lettuce planting based on this frost date — see the calendar above for exact timing.
What planting zone is Mobile County, AL?
Mobile County, Alabama is in USDA Hardiness Zone 8b. The average last spring frost is March 3 and first fall frost is November 24.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Mobile County gardeners in Zone 8b organize planting dates, track what's growing, and never miss a planting window.
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