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When to Plant Shallot in Dallas County, TX

Shallots are a gourmet allium prized for their complex, sweet, and mild flavor. Each bulb multiplies into a cluster, making them easy and rewarding to grow.

Dallas County, Texas is in USDA Zone 8a. The average last spring frost is March 8 and the first fall frost is November 20, giving you a growing season of approximately 257 days.

At an elevation of 67 feet, Dallas County receives approximately 65.7 inches of rainfall annually with predominantly clay soil. Summer highs average 97Β°F, so Shallot may need afternoon shade and extra watering during peak heat. Clay soil retains moisture well for Shallot, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Shallot root diseases.

Dallas County, TX (Zone 8a) Long season
257 days
Last Spring Frost March 8
257 growing days
First Fall Frost November 20

Dallas County Soil Profile

Soil Type

Clay

Soil pH

6.7-8.4

Drainage

Well Drained

Monthly Watering Guide for Shallot

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

Month Shallot Needs Rainfall You Supplement Action
Jan β€” 1.5" 0" ❄️ Dormant
Feb β€” 2.5" 0" ❄️ Dormant
Mar 4.3" 4.4" 0" βœ… Rainfall sufficient
Apr 4.3" 7.1" 0" βœ… Rainfall sufficient
May 4.3" 9.2" 0" βœ… Rainfall sufficient
Jun 4.3" 10.4" 0" βœ… Rainfall sufficient
Jul 4.3" 7.4" 0" βœ… Rainfall sufficient
Aug 4.3" 8.3" 0" βœ… Rainfall sufficient
Sep 4.3" 6" 0" βœ… Rainfall sufficient
Oct 4.3" 4.6" 0" βœ… Rainfall sufficient
Nov 4.3" 2.4" 1.9" πŸ’§ Light watering
Dec β€” 1.7" 0" ❄️ Dormant

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

Shallot Planting Timeline β€” Dallas County, TX

Shallot Planting Calendar

Activity When Date Range
Start Indoors February 1 Feb 1 – Feb 15
Transplant Outdoors March 8 Mar 8 – Mar 22
Direct Sow February 22 Feb 22 – Mar 15
Harvest June 7 Jun 7 – Jul 26
Fall Sowing September 11 Sep 11 – Sep 25

Plant 1" deep Β· 6" apart Β· Rows 12" 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 β€”
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

90–120 days

πŸ§ͺ Soil pH

Needs 6–7 Β· Your soil: N/A

πŸ—ΊοΈ USDA Zone

Zone 8a

πŸ“† Growing Season

257 days in Dallas County

Growing Tips for Dallas County

Plant sets in fall for spring harvest or early spring for summer harvest. Mulch heavily if overwintering. Harvest when tops brown and dry, then cure for storage.

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 Shallot in Dallas County, TX?

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

What planting zone is Dallas County, TX?

Dallas County, Texas is in USDA Hardiness Zone 8a. The average last spring frost is March 8 and first fall frost is November 20.

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Plan Your Garden with Confidence

Get our free Garden Planner β€” designed to help Dallas 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 Dallas County, TX. Local conditions may vary. Last updated: April 2026.