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When to Plant Leeks in Henderson County, TX

Leeks are a mild, sweet allium that produces long white shanks. They are more refined than onions and are a key ingredient in soups, stews, and gratins.

Henderson County, Texas is in USDA Zone 8a. The average last spring frost is March 9 and the first fall frost is November 16, giving you a growing season of approximately 252 days.

At an elevation of 290 feet, Henderson County receives approximately 72.8 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 92Β°F, providing good warmth for Leeks during the growing season. Sandy soil warms quickly in spring β€” great for early planting β€” but Leeks will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Leeks root diseases.

Henderson County, TX (Zone 8a) Long season
252 days
Last Spring Frost March 9
252 growing days
First Fall Frost November 16

Henderson County Soil Profile

Soil Type

Sandy Loam

Soil pH

5.5-6.6

Drainage

Well Drained

Monthly Watering Guide for Leeks

Leeks needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month Leeks Needs Rainfall You Supplement Action
Jan β€” 1.9" 0" ❄️ Dormant
Feb β€” 2.3" 0" ❄️ Dormant
Mar 4.3" 4.5" 0" βœ… Rainfall sufficient
Apr 4.3" 7.1" 0" βœ… Rainfall sufficient
May 4.3" 10.7" 0" βœ… Rainfall sufficient
Jun 4.3" 11.5" 0" βœ… Rainfall sufficient
Jul 4.3" 10.1" 0" βœ… Rainfall sufficient
Aug 4.3" 8.8" 0" βœ… Rainfall sufficient
Sep 4.3" 6.8" 0" βœ… Rainfall sufficient
Oct 4.3" 4.9" 0" βœ… Rainfall sufficient
Nov 4.3" 2.6" 1.7" πŸ’§ Light watering
Dec β€” 1.6" 0" ❄️ Dormant

Water needs are for active growing months only (Mar–Nov in Henderson County). Supplement amounts are based on average rainfall β€” actual needs vary with temperature, soil, and mulching.

Leeks Planting Timeline β€” Henderson County, TX

Leeks Planting Calendar

Activity When Date Range
Start Indoors February 2 Feb 2 – Feb 16
Transplant Outdoors March 9 Mar 9 – Mar 23
Direct Sow February 23 Feb 23 – Mar 16
Harvest June 8 Jun 8 – Aug 24
Fall Sowing September 7 Sep 7 – Sep 21

Plant 1" deep Β· 15" apart Β· Rows 24" apart

Month-by-Month Timeline

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

Growing Conditions

β˜€οΈ Sun

Full Sun (6-8+ hours)

πŸ’§ Water

Moderate β€” regular watering

πŸ“… Days to Maturity

90–150 days

πŸ§ͺ Soil pH

Needs 6–7 Β· Your soil: N/A

πŸ—ΊοΈ USDA Zone

Zone 8a

πŸ“† Growing Season

252 days in Henderson County

Growing Tips for Henderson County

Start seeds indoors 10-12 weeks before last frost. Transplant into trenches and hill soil around stems as they grow to increase the white portion. Harvest as needed.

Companion Planting

Good Companions

Avoid Planting Near

  • Peas
  • Green Beans

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Leeks in Henderson County, TX?

Henderson County is in Zone 8a with an average last frost of March 9. Plan your Leeks planting based on this frost date β€” see the calendar above for exact timing.

What planting zone is Henderson County, TX?

Henderson County, Texas is in USDA Hardiness Zone 8a. The average last spring frost is March 9 and first fall frost is November 16.

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Plan Your Garden with Confidence

Get our free Garden Planner β€” designed to help Henderson County gardeners in Zone 8a organize planting dates, track what's growing, and never miss a planting window.

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