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When to Plant Cucumber in Williamson County, TX

Cucumbers are a warm-season vine crop available in slicing and pickling varieties. They are prolific producers when given warmth, moisture, and a trellis to climb.

Williamson County, Texas is in USDA Zone 8b. The average last spring frost is March 5 and the first fall frost is November 22, giving you a growing season of approximately 262 days.

At an elevation of 1,023 feet, Williamson County receives approximately 53.3 inches of rainfall annually with predominantly clay soil. Summer highs average 94Β°F, providing good warmth for Cucumber during the growing season. Clay soil retains moisture well for Cucumber, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Cucumber root diseases.

Williamson County, TX (Zone 8b) Long season
262 days
Last Spring Frost March 5
262 growing days
First Fall Frost November 22

Williamson County Soil Profile

Soil Type

Clay

Soil pH

7.1-7.8

Drainage

Well Drained

Monthly Watering Guide for Cucumber

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

Month Cucumber Needs Rainfall You Supplement Action
Jan β€” 1.4" 0" ❄️ Dormant
Feb β€” 2" 0" ❄️ Dormant
Mar 4.3" 3.4" 0.9" πŸ’§ Light watering
Apr 4.3" 6.5" 0" βœ… Rainfall sufficient
May 4.3" 7.7" 0" βœ… Rainfall sufficient
Jun 4.3" 7.6" 0" βœ… Rainfall sufficient
Jul 4.3" 6.6" 0" βœ… Rainfall sufficient
Aug 4.3" 6.1" 0" βœ… Rainfall sufficient
Sep 4.3" 5.4" 0" βœ… Rainfall sufficient
Oct 4.3" 3.7" 0.6" πŸ’§ Light watering
Nov 4.3" 1.7" 2.6" 🚿 Regular watering
Dec β€” 1.3" 0" ❄️ Dormant

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

Cucumber Planting Timeline β€” Williamson County, TX

Cucumber Planting Calendar

Activity When Date Range
Start Indoors February 5 Feb 5 – Feb 19
Transplant Outdoors March 19 Mar 19 – Apr 2
Direct Sow March 12 Mar 12 – Apr 2
Harvest May 14 May 14 – Jul 9

Plant 0.5" deep Β· 24" apart Β· Rows 48" apart

Month-by-Month Timeline

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

Growing Conditions

β˜€οΈ Sun

Full Sun (6-8+ hours)

πŸ’§ Water

High β€” keep soil consistently moist

πŸ“… Days to Maturity

50–70 days

πŸ§ͺ Soil pH

Needs 6–7 Β· Your soil: N/A

πŸ—ΊοΈ USDA Zone

Zone 8b

πŸ“† Growing Season

262 days in Williamson County

Growing Tips for Williamson County

Direct sow after last frost or start indoors 3 weeks early. Provide a trellis for vining types to save space and improve air circulation. Harvest frequently to encourage production.

Companion Planting

Good Companions

Avoid Planting Near

  • Potatoes
  • Sage

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Cucumber in Williamson County, TX?

Williamson County is in Zone 8b with an average last frost of March 5. Plan your Cucumber planting based on this frost date β€” see the calendar above for exact timing.

What planting zone is Williamson County, TX?

Williamson County, Texas is in USDA Hardiness Zone 8b. The average last spring frost is March 5 and first fall frost is November 22.

🌱

Plan Your Garden with Confidence

Get our free Garden Planner β€” designed to help Williamson County gardeners in Zone 8b 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 Williamson County, TX. Local conditions may vary. Last updated: April 2026.