When to Plant Lettuce in Grayson County, TX
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.
Grayson County, Texas is in USDA Zone 7b. The average last spring frost is March 14 and the first fall frost is November 18, giving you a growing season of approximately 249 days.
At an elevation of 248 feet, Grayson County receives approximately 71.2 inches of rainfall annually with predominantly loam soil. Summer highs average 88°F, providing good warmth for Lettuce during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Lettuce root diseases.
Grayson County Soil Profile
Soil Type
Loam
Soil pH
6.6-7.3
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 — Grayson County, TX
Lettuce Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | February 7 | Feb 7 – Feb 21 |
| Transplant Outdoors | March 14 | Mar 14 – Mar 28 |
| Direct Sow | February 28 | Feb 28 – Mar 21 |
| Fall Sowing | September 9 | Sep 9 – Sep 23 |
| Harvest | April 18 | Apr 18 – Jun 27 |
Plant 0.5" deep · 6" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| 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 7b
Growing Season
249 days
Growing Tips for Grayson 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 Grayson County, TX?
Grayson County is in Zone 7b with an average last frost of March 14. Plan your Lettuce planting based on this frost date — see the calendar above for exact timing.
What planting zone is Grayson County, TX?
Grayson County, Texas is in USDA Hardiness Zone 7b. The average last spring frost is March 14 and first fall frost is November 18.
Plan Your Garden with Confidence
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