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When to Plant Carrots in Grayson County, TX

Carrots

Carrots are a popular root vegetable available in orange, purple, white, and yellow varieties. They are rich in beta-carotene and have a sweet, earthy flavor.

Grayson County, Texas is in USDA Zone 8a. The average last spring frost is March 14 and the first fall frost is November 18, giving you a growing season of approximately 249 days.

At an elevation of 248 feet, Grayson County receives approximately 71.2 inches of rainfall annually with predominantly loam soil. Summer highs average 88°F, providing good warmth for Carrots during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Carrots root diseases.

Grayson County, TX (Zone 8a) Long season
249 days
Last Spring Frost March 14
249 growing days
First Fall Frost November 18

Grayson County Soil Profile

Soil Type

Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Carrots Planting Timeline — Grayson County, TX

Carrots Planting Calendar

Activity When Date Range
Direct Sow February 28 Feb 28 – Mar 21
Harvest May 2 May 2 – Jun 6
Fall Sowing September 9 Sep 9 – Sep 23

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

Month-by-Month Timeline

MonthActivities
January
February Direct Sow
March Direct Sow
April
May Harvest
June Harvest
July
August
September Fall Sowing
October
November
December

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

60–80 days

🧪 Soil pH

Needs 6–6.8 · Your soil: N/A

🗺️ USDA Zone

Zone 8a

📆 Growing Season

249 days in Grayson County

Growing Tips for Grayson County

Sow seeds directly in loose, stone-free soil for straight roots. Keep soil moist until germination which can take 2-3 weeks. Thin seedlings to 2 inches apart.

Companion Planting

Good Companions

Avoid Planting Near

  • Dill
  • Parsnip

Check more plant combinations with our Companion Planting Checker →

🌾 Save Your Own Carrots Seeds
Life Cycle Biennial
Pollination Cross-Pollinated (insects)
How to Collect Replant roots for 2nd year flowers. Harvest umbels when brown.
Storage Store airtight; viable 3 years at 35°F, under 50% humidity.

Isolate 1/2 mile from Queen Anne's Lace (wild carrot). Biennial — requires two seasons.

Frequently Asked Questions

When should I plant Carrots in Grayson County, TX?

Grayson County is in Zone 8a with an average last frost of March 14. Plan your Carrots planting based on this frost date — see the calendar above for exact timing.

What planting zone is Grayson County, TX?

Grayson County, Texas is in USDA Hardiness Zone 8a. The average last spring frost is March 14 and first fall frost is November 18.

🌱

Your Grayson County Garden Planner — Free

A 22-page printable planner built for Grayson County (Zone 8a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

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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 Grayson County, TX. Local conditions may vary. Last updated: July 2026.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.