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When to Plant Carrots in Shackelford County, TX

Shackelford County, Texas Zone 8a May

Your May game plan for Shackelford County, Texas

May rewards gardeners who work with the weather, not against it. Here's how to stay in step this month in Shackelford County, Texas.

Avg. last frost March 30
Avg. first frost November 11
Soil temp (4") 57°F
Watering Low
Pest pressure Moderate
Daylight 13.7 hrs
  1. Basket week: carrots

    The more you pick, the more the plant produces. Letting fruit overripen tells the plant it's time to stop.

Looking ahead to June
  • First harvests: carrots

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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.

Shackelford County, Texas is in USDA Zone 8a. The average last spring frost is March 30 and the first fall frost is November 11, giving you a growing season of approximately 226 days.

At an elevation of 4,145 feet, Shackelford County receives approximately 59.8 inches of rainfall annually with predominantly loam soil. Summer highs average 89°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.

Shackelford County, TX (Zone 8a) Long season
226 days
Last Spring Frost March 30
226 growing days
First Fall Frost November 11

Shackelford County Soil Profile

Soil Type

Loam

Soil pH

6.4-7.5

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (129 days to spare)
Transplant: Mar 19 🍅 Harvest: May 21 – Jun 25
Recommended (50%) ✓ Fits season (128 days to spare)
Transplant: Mar 30 🍅 Harvest: Jun 1 – Jul 6
Safe Start (90%) ✓ Fits season (125 days to spare)
Transplant: Apr 16 🍅 Harvest: Jun 18 – Jul 23

Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.

Soil Compatibility in Shackelford County

How your county's soil matches Carrots's growing requirements.

Soil pH

Your soil pH (6.4–7.5) is more alkaline than Carrots prefers (6.0–6.8). Add sulfur or peat moss to lower pH.

Soil Texture

The loam soil in Shackelford County is excellent for Carrots — good drainage, moisture retention, and nutrient holding capacity.

Organic Matter

Organic matter is low (1.9%). Add 2-3 inches of compost before planting Carrots.

How to Plant Carrots

0.5"
Planting Depth
6"
Between Plants
12"
Between Rows

Fall planting: Sow 10 weeks before your first frost date for a fall harvest.

Succession Planting Carrots

4
successive plantings in your 226-day season

Sow every 6.9 weeks. Last sowing by Aug 23 to harvest before frost.

For a dedicated fall crop, sow by Sep 02.

Plant Water Budget

Plant needs
0.8″/week
Rainfall provides
1.1″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft

Monthly Watering Guide for Carrots

Carrots needs approximately 0.8 inches of water per week (3.5" per month). Here's how your county's rainfall compares month by month.

Month Carrots Needs Rainfall You Supplement Action
Jan 1.5" 0" ❄️ Dormant
Feb 2" 0" ❄️ Dormant
Mar 3.5" 3.4" 0.1" 💧 Light watering
Apr 3.5" 6.8" 0" ✅ Rainfall sufficient
May 3.5" 8.6" 0" ✅ Rainfall sufficient
Jun 3.5" 9.4" 0" ✅ Rainfall sufficient
Jul 3.5" 8.9" 0" ✅ Rainfall sufficient
Aug 3.5" 6.6" 0" ✅ Rainfall sufficient
Sep 3.5" 5.1" 0" ✅ Rainfall sufficient
Oct 3.5" 3.7" 0" ✅ Rainfall sufficient
Nov 3.5" 2.1" 1.4" 💧 Light watering
Dec 1.6" 0" ❄️ Dormant

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

Carrots Heat Requirements (GDD)

What are Growing Degree Days (GDD)?

Growing Degree Days measure the total warmth your plants receive during the growing season. Think of it as a "heat bank" — every day above 50°F deposits warmth that helps your plants grow.

Each plant needs a certain amount of accumulated heat to mature. If your county provides more GDD than the plant needs, it's a great fit. If it's close, you may want to choose faster-maturing varieties or start seeds indoors to get a head start.

Carrots needs ~1,172 GDD — county provides 3,785 GDD Excellent fit

Carrots Planting Timeline — Shackelford County, TX

Carrots Planting Calendar

Activity When Date Range
Direct Sow March 16 Mar 16 – Apr 6
Harvest May 18 May 18 – Jun 22
Fall Sowing September 2 Sep 2 – Sep 16

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

0.8"/week · Natural rainfall sufficient

📅 Days to Maturity

60–80 days

🧪 Soil pH

Needs 6–6.8 · Your soil: too_alkaline

🗺️ USDA Zone

Zone 8a

📆 Growing Season

226 days in Shackelford County

Growing Tips for Carrots in Shackelford County

Direct sow Carrots outdoors after March 30 in Shackelford County when soil has warmed and frost danger has passed.

Common pests for Carrots in this region include carrot rust fly and parsleyworm. Use row covers early in the season and inspect plants weekly.

General growing tips

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 Shackelford County, TX?

Shackelford County is in Zone 8a with an average last frost of March 30. Plan your Carrots planting based on this frost date — see the calendar above for exact timing.

What planting zone is Shackelford County, TX?

Shackelford County, Texas is in USDA Hardiness Zone 8a. The average last spring frost is March 30 and first fall frost is November 11.

🌱

Your Shackelford County Garden Planner — Free

A 24-page printable planner built for Shackelford 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 Shackelford County, TX. Local conditions may vary. Last updated: May 2026.

Sources & credits

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