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When to Plant Lettuce in Sutton 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.

Sutton County, Texas is in USDA Zone 8a. The average last spring frost is March 28 and the first fall frost is November 10, giving you a growing season of approximately 227 days.

At an elevation of 4,068 feet, Sutton County receives approximately 46 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 103ยฐF, so Lettuce may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring โ€” great for early planting โ€” but Lettuce will need more frequent watering and organic matter to retain nutrients.

Sutton County, TX (Zone 8a) Long season
227 days
Last Spring Frost March 28
227 growing days
First Fall Frost November 10

Sutton County Soil Profile

Soil Type

Sandy Loam

Soil pH

7.8-8.7

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (124 days to spare)
Start indoors: Feb 6 Transplant: Mar 13 🍅 Harvest: Apr 17 – Jun 26
Recommended (50%) ✓ Fits season (122 days to spare)
Start indoors: Feb 21 Transplant: Mar 28 🍅 Harvest: May 2 – Jul 11
Safe Start (90%) ✓ Fits season (121 days to spare)
Start indoors: Mar 13 Transplant: Apr 17 🍅 Harvest: May 22 – Jul 31

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.

Soil Compatibility in Sutton County

How your county's soil matches Lettuce's growing requirements.

Soil pH

Your soil pH (7.8โ€“8.7) is more alkaline than Lettuce prefers (6.0โ€“7.0). Add sulfur or peat moss to lower pH.

Soil Texture

Sandy soil in Sutton County warms quickly in spring but drains fast. Lettuce will need more frequent watering and regular compost additions to retain nutrients.

Organic Matter

Organic matter is low (1.0%). Add 2-3 inches of compost before planting Lettuce.

How to Plant Lettuce

0.5"
Planting Depth
6"
Between Plants
12"
Between Rows

Fall planting: Sow 10 weeks before your first frost date for a fall harvest.

Succession Planting Lettuce

9
successive plantings in your 227-day season

Sow every 3.4 weeks. Last sowing by Sep 11 to harvest before frost.

For a dedicated fall crop, sow by Sep 01.

Plant Water Budget

Plant needs
0.7″/week
Rainfall provides
0.9″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Drought risk

Water stress score is 8/10 โ€” consider drought-tolerant varieties and mulching

Monthly Watering Guide for Lettuce

Lettuce needs approximately 0.7 inches of water per week (3" per month). Here's how your county's rainfall compares month by month.

Month Lettuce Needs Rainfall You Supplement Action
Jan โ€” 3.5" 0" โ„๏ธ Dormant
Feb โ€” 3" 0" โ„๏ธ Dormant
Mar 3" 2.6" 0.4" ๐Ÿ’ง Light watering
Apr 3" 1.7" 1.3" ๐Ÿ’ง Light watering
May 3" 1" 2" ๐Ÿšฟ Regular watering
Jun 3" 1.6" 1.4" ๐Ÿ’ง Light watering
Jul 3" 7.5" 0" โœ… Rainfall sufficient
Aug 3" 8.3" 0" โœ… Rainfall sufficient
Sep 3" 7.3" 0" โœ… Rainfall sufficient
Oct 3" 3.6" 0" โœ… Rainfall sufficient
Nov 3" 2.5" 0.5" ๐Ÿ’ง Light watering
Dec โ€” 3.4" 0" โ„๏ธ Dormant

Water needs are for active growing months only (Marโ€“Nov in Sutton County). Supplement amounts are based on average rainfall โ€” actual needs vary with temperature, soil, and mulching.

Lettuce Heat Requirements (GDD)

What are Growing Degree Days (GDD)?

Growing Degree Days measure the total warmth your plants receive during the growing season. Think of it as a "heat bank" โ€” every day above 50ยฐF deposits warmth that helps your plants grow.

Each plant needs a certain amount of accumulated heat to mature. If your county provides more GDD than the plant needs, it's a great fit. If it's close, you may want to choose faster-maturing varieties or start seeds indoors to get a head start.

Lettuce needs ~1,226 GDD — county provides 6,185 GDD Excellent fit

Lettuce Planting Timeline โ€” Sutton County, TX

Lettuce Planting Calendar

Activity When Date Range
Start Indoors February 21 Feb 21 โ€“ Mar 7
Transplant Outdoors March 28 Mar 28 โ€“ Apr 11
Direct Sow March 14 Mar 14 โ€“ Apr 4
Harvest May 2 May 2 โ€“ Jul 11
Fall Sowing September 1 Sep 1 โ€“ Sep 15

Plant 0.5" deep ยท 6" apart ยท Rows 12" apart

Month-by-Month Timeline

MonthActivities
January โ€”
February Start Indoors
March Start Indoors Transplant Outdoors Direct Sow
April Transplant Outdoors Direct Sow
May Harvest
June Harvest
July Harvest
August โ€”
September Fall Sowing
October โ€”
November โ€”
December โ€”

Growing Conditions

โ˜€๏ธ Sun

Partial Shade (3-6 hours)

๐Ÿ’ง Water

0.7"/week ยท Natural rainfall sufficient

๐Ÿ“… Days to Maturity

30โ€“60 days

๐Ÿงช Soil pH

Needs 6โ€“7 ยท Your soil: too_alkaline

๐Ÿ—บ๏ธ USDA Zone

Zone 8a

๐Ÿ“† Growing Season

227 days in Sutton County

Growing Tips for Lettuce in Sutton County

Direct sow Lettuce outdoors after March 28 in Sutton County when soil has warmed and frost danger has passed.

Sandy soil in Sutton County dries quickly โ€” mulch Lettuce with 2-3 inches of straw and water deeply 2-3 times per week rather than lightly every day.

Summer highs in Sutton County reach 103ยฐF โ€” grow Lettuce as a spring or fall crop. Use shade cloth if planting in summer.

Your generous 227.0-day season in Sutton County allows multiple plantings of Lettuce. Sow every 15.0 days for continuous harvest.

Common pests for Lettuce in this region include aphids and slugs. Use row covers early in the season and inspect plants weekly.

General growing tips

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.

Recommended Lettuce Varieties for Sutton County

Bolt-resistant varieties for warm summers โ€” grow as spring/fall crop

Jericho Muir Nevada New Red Fire

Companion Planting

Good Companions

Avoid Planting Near

  • Celery

Check more plant combinations with our Companion Planting Checker →

๐ŸŒพ Save Your Own Lettuce Seeds
Life Cycle Annual
Pollination Self-Pollinating
How to Collect Let plants bolt and flower. Harvest seed heads when fluffy.
Storage Store airtight; viable 6 years at 35ยฐF, under 45% humidity.

Very easy to save. Let a few plants bolt each season.

Frequently Asked Questions

When should I plant Lettuce in Sutton County, TX?

Sutton County is in Zone 8a with an average last frost of March 28. Plan your Lettuce planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Sutton County, TX?

Sutton County, Texas is in USDA Hardiness Zone 8a. The average last spring frost is March 28 and first fall frost is November 10.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Sutton County gardeners in Zone 8a 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.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Sutton County, TX. Local conditions may vary. Last updated: April 2026.