When to Plant Lettuce in Collier County, FL
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.
Collier County, Florida is in USDA Zone 10a. The average last spring frost is January 12 and the first fall frost is April 15, giving you a growing season of approximately 93 days.
At an elevation of 185 feet, Collier County receives approximately 61.3 inches of rainfall annually with predominantly sand soil. Summer highs average 85°F, providing good warmth for Lettuce during the growing season. Sandy soil warms quickly in spring — great for early planting — but Lettuce will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Lettuce root diseases.
Collier County Soil Profile
Soil Type
Sand
Soil pH
5-6.2
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 — Collier County, FL
Lettuce Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | December 15 | Dec 15 – Dec 29 |
| Transplant Outdoors | January 12 | Jan 12 – Jan 26 |
| Direct Sow | December 22 | Dec 22 – Jan 12 |
| Fall Sowing | February 18 | Feb 18 – Mar 4 |
| Harvest | February 16 | Feb 16 – Apr 27 |
Plant 0.5" deep · 6" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | Transplant Outdoors Direct Sow |
| February | Fall Sowing Harvest |
| March | Fall Sowing Harvest |
| April | Harvest |
| May | — |
| June | — |
| July | — |
| August | — |
| September | — |
| October | — |
| November | — |
| December | Start Indoors Direct Sow |
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 10a
Growing Season
93 days
Growing Tips for Collier 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 Collier County, FL?
Collier County is in Zone 10a with an average last frost of January 12. Plan your Lettuce planting based on this frost date — see the calendar above for exact timing.
What planting zone is Collier County, FL?
Collier County, Florida is in USDA Hardiness Zone 10a. The average last spring frost is January 12 and first fall frost is .
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Collier County gardeners in Zone 10a organize planting dates, track what's growing, and never miss a planting window.
Get Your Free Garden Planner →Free download. Plan your entire garden season in minutes.