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When to Plant Arugula in Jack County, TX

Arugula is a fast-growing cool-season green with a peppery, nutty flavor. It is excellent in salads and can be harvested as baby greens or mature leaves.

Jack County, Texas is in USDA Zone 7b. The average last spring frost is March 26 and the first fall frost is November 9, giving you a growing season of approximately 228 days.

At an elevation of 2,081 feet, Jack County receives approximately 66.9 inches of rainfall annually with predominantly clay soil. Summer highs average 89Β°F, providing good warmth for Arugula during the growing season. Clay soil retains moisture well for Arugula, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Arugula root diseases.

Jack County, TX (Zone 7b) Long season
228 days
Last Spring Frost March 26
228 growing days
First Fall Frost November 9

Jack County Soil Profile

Soil Type

Clay

Soil pH

7.3-7.6

Drainage

Well Drained

Monthly Watering Guide for Arugula

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

Month Arugula Needs Rainfall You Supplement Action
Jan β€” 2" 0" ❄️ Dormant
Feb β€” 2.3" 0" ❄️ Dormant
Mar 4.3" 3.7" 0.6" πŸ’§ Light watering
Apr 4.3" 8" 0" βœ… Rainfall sufficient
May 4.3" 9.7" 0" βœ… Rainfall sufficient
Jun 4.3" 9.6" 0" βœ… Rainfall sufficient
Jul 4.3" 8.5" 0" βœ… Rainfall sufficient
Aug 4.3" 7.6" 0" βœ… Rainfall sufficient
Sep 4.3" 6.7" 0" βœ… Rainfall sufficient
Oct 4.3" 4.3" 0" βœ… Rainfall sufficient
Nov 4.3" 2.6" 1.7" πŸ’§ Light watering
Dec β€” 1.7" 0" ❄️ Dormant

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

Arugula Planting Timeline β€” Jack County, TX

Arugula Planting Calendar

Activity When Date Range
Start Indoors February 19 Feb 19 – Mar 5
Transplant Outdoors March 26 Mar 26 – Apr 9
Direct Sow March 12 Mar 12 – Apr 2
Harvest April 30 Apr 30 – Jul 2
Fall Sowing August 31 Aug 31 – Sep 14

Plant 0.5" deep Β· 6" apart Β· Rows 12" apart

Month-by-Month Timeline

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

Growing Conditions

β˜€οΈ Sun

Partial Shade (3-6 hours)

πŸ’§ Water

Moderate β€” regular watering

πŸ“… Days to Maturity

30–50 days

πŸ§ͺ Soil pH

Needs 6–7 Β· Your soil: N/A

πŸ—ΊοΈ USDA Zone

Zone 7b

πŸ“† Growing Season

228 days in Jack County

Growing Tips for Jack County

Sow seeds directly every 2-3 weeks for continuous harvest. Provide afternoon shade in warm weather to prevent bolting. Harvest outer leaves first to extend production.

Companion Planting

Good Companions

Avoid Planting Near

  • Strawberries

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Arugula in Jack County, TX?

Jack County is in Zone 7b with an average last frost of March 26. Plan your Arugula planting based on this frost date β€” see the calendar above for exact timing.

What planting zone is Jack County, TX?

Jack County, Texas is in USDA Hardiness Zone 7b. The average last spring frost is March 26 and first fall frost is November 9.

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Plan Your Garden with Confidence

Get our free Garden Planner β€” designed to help Jack County gardeners in Zone 7b 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 Jack County, TX. Local conditions may vary. Last updated: April 2026.