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When to Plant Potatoes in Donley County, TX

Potatoes

Potatoes are a versatile staple crop that produces tubers underground. They come in hundreds of varieties with varying colors, textures, and maturity dates.

Donley County, Texas is in USDA Zone 7b. The average last spring frost is April 7 and the first fall frost is October 31, giving you a growing season of approximately 207 days.

At an elevation of 4,196 feet, Donley County receives approximately 57 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 100°F, so Potatoes may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring — great for early planting — but Potatoes will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Potatoes root diseases.

Donley County, TX (Zone 7b) Long season
207 days
Last Spring Frost April 7
207 growing days
First Fall Frost October 31

Donley County Soil Profile

Soil Type

Sandy Loam

Soil pH

7.8-8.2

Drainage

Well Drained

How Much Potatoes to Grow

3-5 lbs
Average yield per plant
5
Plants per person
10 sq ft
Space per person

For a family of 4, plant approximately 20 potatoes plants in about 40 sq ft. In Donley County's 207-day season, you'll have plenty of time for a full harvest. Plan your garden layout →

Monthly Watering Guide for Potatoes

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

Month Potatoes Needs Rainfall You Supplement Action
Jan 4.3" 0" ❄️ Dormant
Feb 2.9" 0" ❄️ Dormant
Mar 3.2" 0" ❄️ Dormant
Apr 4.3" 1.9" 2.4" 🚿 Regular watering
May 4.3" 1.3" 3" 🚿 Regular watering
Jun 4.3" 2.1" 2.2" 🚿 Regular watering
Jul 4.3" 10.9" 0" ✅ Rainfall sufficient
Aug 4.3" 11.1" 0" ✅ Rainfall sufficient
Sep 4.3" 8.3" 0" ✅ Rainfall sufficient
Oct 4.3" 4.5" 0" ✅ Rainfall sufficient
Nov 3.1" 0" ❄️ Dormant
Dec 3.3" 0" ❄️ Dormant

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

Potatoes Planting Timeline — Donley County, TX

Potatoes Planting Calendar

Activity When Date Range
Start Indoors February 17 Feb 17 – Mar 3
Transplant Outdoors April 21 Apr 21 – May 5
Direct Sow April 14 Apr 14 – May 5
Harvest June 30 Jun 30 – Sep 8

Plant 1" deep · 15" apart · Rows 24" apart

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

70–120 days

🧪 Soil pH

Needs 5–6.5 · Your soil: N/A

🗺️ USDA Zone

Zone 7b

📆 Growing Season

207 days in Donley County

Growing Tips for Donley County

Plant seed potatoes (not grocery store potatoes) 4 inches deep in spring. Hill soil around stems as plants grow to prevent greening. Stop watering when plants die back.

Companion Planting

Good Companions

Avoid Planting Near

  • Tomatoes
  • Cucumber
  • Squash Summer

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Potatoes in Donley County, TX?

Donley County is in Zone 7b with an average last frost of April 7. Plan your Potatoes planting based on this frost date — see the calendar above for exact timing.

What planting zone is Donley County, TX?

Donley County, Texas is in USDA Hardiness Zone 7b. The average last spring frost is April 7 and first fall frost is October 31.

🌱

Your Donley County Garden Planner — Free

A 22-page printable planner built for Donley County (Zone 7b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

Instant PDF download. No spam, unsubscribe any time.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Donley County, TX. Local conditions may vary. Last updated: June 2026.

Sources & credits

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