When to Plant Potatoes in Grayson County, TX
Potatoes are a versatile staple crop that produces tubers underground. They come in hundreds of varieties with varying colors, textures, and maturity dates.
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 Potatoes during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Potatoes root diseases.
Grayson County Soil Profile
Soil Type
Loam
Soil pH
6.6-7.3
Drainage
Well Drained
How Much Potatoes to Grow
For a family of 4, plant approximately 20 potatoes plants in about 40 sq ft. In Grayson County's 249-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 | — | 1.9" | 0" | ❄️ Dormant |
| Feb | — | 2.2" | 0" | ❄️ Dormant |
| Mar | 4.3" | 3.9" | 0.4" | 💧 Light watering |
| Apr | 4.3" | 8.5" | 0" | ✅ Rainfall sufficient |
| May | 4.3" | 11.3" | 0" | ✅ Rainfall sufficient |
| Jun | 4.3" | 12.4" | 0" | ✅ Rainfall sufficient |
| Jul | 4.3" | 9.3" | 0" | ✅ Rainfall sufficient |
| Aug | 4.3" | 7.7" | 0" | ✅ Rainfall sufficient |
| Sep | 4.3" | 6.2" | 0" | ✅ Rainfall sufficient |
| Oct | 4.3" | 4.1" | 0.2" | 💧 Light watering |
| Nov | 4.3" | 2.1" | 2.2" | 🚿 Regular watering |
| Dec | — | 1.6" | 0" | ❄️ Dormant |
Water needs are for active growing months only (Mar–Nov in Grayson County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.
Potatoes Planting Timeline — Grayson County, TX
Potatoes Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | January 24 | Jan 24 – Feb 7 |
| Transplant Outdoors | March 28 | Mar 28 – Apr 11 |
| Direct Sow | March 21 | Mar 21 – Apr 11 |
| Harvest | June 6 | Jun 6 – Aug 15 |
Plant 1" deep · 15" apart · Rows 24" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | Start Indoors |
| February | Start Indoors |
| March | Transplant Outdoors Direct Sow |
| April | Transplant Outdoors Direct Sow |
| May | — |
| June | Harvest |
| July | Harvest |
| August | Harvest |
| September | — |
| 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 8a
📆 Growing Season
249 days in Grayson County
Growing Tips for Grayson 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
Check more plant combinations with our Companion Planting Checker →
Potatoes in Other Locations
Frequently Asked Questions
When should I plant Potatoes in Grayson County, TX?
Grayson County is in Zone 8a with an average last frost of March 14. Plan your Potatoes 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.