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When to Plant Mint in Gregg County, TX

Mint is a vigorous perennial herb with refreshing, aromatic leaves used in teas, cocktails, and cooking. It spreads aggressively by underground runners.

Gregg County, Texas is in USDA Zone 8a. The average last spring frost is March 9 and the first fall frost is November 17, giving you a growing season of approximately 253 days.

At an elevation of 337 feet, Gregg County receives approximately 74.3 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 96Β°F, so Mint may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring β€” great for early planting β€” but Mint will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Mint root diseases.

Gregg County, TX (Zone 8a) Long season
253 days
Last Spring Frost March 9
253 growing days
First Fall Frost November 17

Gregg County Soil Profile

Soil Type

Sandy Loam

Soil pH

5.5-6.3

Drainage

Well Drained

Monthly Watering Guide for Mint

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

Month Mint Needs Rainfall You Supplement Action
Jan β€” 1.9" 0" ❄️ Dormant
Feb β€” 2.8" 0" ❄️ Dormant
Mar 4.3" 4.8" 0" βœ… Rainfall sufficient
Apr 4.3" 6.7" 0" βœ… Rainfall sufficient
May 4.3" 11.1" 0" βœ… Rainfall sufficient
Jun 4.3" 13" 0" βœ… Rainfall sufficient
Jul 4.3" 9.4" 0" βœ… Rainfall sufficient
Aug 4.3" 8.8" 0" βœ… Rainfall sufficient
Sep 4.3" 6.7" 0" βœ… Rainfall sufficient
Oct 4.3" 4.6" 0" βœ… Rainfall sufficient
Nov 4.3" 2.8" 1.5" πŸ’§ Light watering
Dec β€” 1.7" 0" ❄️ Dormant

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

Mint Planting Timeline β€” Gregg County, TX

Mint Planting Calendar

Activity When Date Range
Transplant Outdoors March 16 Mar 16 – Mar 30
Harvest May 18 May 18 – Jul 27

Plant 0.5" deep Β· 8" apart Β· Rows 12" apart

Month-by-Month Timeline

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

Growing Conditions

β˜€οΈ Sun

Partial Shade (3-6 hours)

πŸ’§ Water

High β€” keep soil consistently moist

πŸ“… Days to Maturity

60–90 days

πŸ§ͺ Soil pH

Needs 6–7 Β· Your soil: N/A

πŸ—ΊοΈ USDA Zone

Zone 8a

πŸ“† Growing Season

253 days in Gregg County

Growing Tips for Gregg County

Always grow mint in containers or with underground barriers to control spreading. Harvest regularly to keep plants compact. Cut plants back in late summer for a fresh fall flush.

Companion Planting

Good Companions

Avoid Planting Near

  • Parsley

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Mint in Gregg County, TX?

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

What planting zone is Gregg County, TX?

Gregg County, Texas is in USDA Hardiness Zone 8a. The average last spring frost is March 9 and first fall frost is November 17.

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Plan Your Garden with Confidence

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