When to plant Potatoes in Carter County, KY
Spring Potatoes in Carter County goes in April 25–May 16, once nighttime temps stop dipping near freezing.
When to Plant Potatoes in Carter County, KY
Potatoes are a versatile staple crop that produces tubers underground. They come in hundreds of varieties with varying colors, textures, and maturity dates.
Carter County, Kentucky is in USDA Zone 6b. The average last spring frost is April 18 and the first fall frost is October 22, giving you a growing season of approximately 187 days.
At an elevation of 3,358 feet, Carter County receives approximately 44.2 inches of rainfall annually with predominantly silt loam soil. Summer highs average 88°F, providing good warmth for Potatoes during the growing season.
Carter County Soil Profile
Soil Type
Silt Loam
Soil pH
5.3-7.1
Drainage
Well Drained
How Much Potatoes to Grow
For a family of 4, plant approximately 20 potatoes plants in about 40 sq ft. In Carter County's 187-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 | — | 3.3" | 0" | ❄️ Dormant |
| Feb | — | 3.6" | 0" | ❄️ Dormant |
| Mar | — | 4.3" | 0" | ❄️ Dormant |
| Apr | 4.3" | 3.4" | 0.9" | 💧 Light watering |
| May | 4.3" | 3.9" | 0.4" | 💧 Light watering |
| Jun | 4.3" | 3.9" | 0.4" | 💧 Light watering |
| Jul | 4.3" | 5" | 0" | ✅ Rainfall sufficient |
| Aug | 4.3" | 4.4" | 0" | ✅ Rainfall sufficient |
| Sep | 4.3" | 3.2" | 1.1" | 💧 Light watering |
| Oct | 4.3" | 2.5" | 1.8" | 💧 Light watering |
| Nov | — | 2.9" | 0" | ❄️ Dormant |
| Dec | — | 3.8" | 0" | ❄️ Dormant |
Water needs are for active growing months only (Apr–Oct in Carter County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.
Potatoes Planting Timeline — Carter County, KY
Potatoes Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | February 21 | Feb 21 – Mar 7 |
| Transplant Outdoors | May 2 | May 2 – May 16 |
| Direct Sow | April 25 | Apr 25 – May 16 |
| Harvest | July 11 | Jul 11 – Sep 19 |
Plant 1" deep · 15" apart · Rows 24" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | Start Indoors |
| March | Start Indoors |
| April | Direct Sow |
| May | Transplant Outdoors Direct Sow |
| June | — |
| 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 6b
📆 Growing Season
187 days in Carter County
Growing Tips for Carter 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 Carter County, KY?
Carter County is in Zone 6b with an average last frost of April 18. Plan your Potatoes planting based on this frost date — see the calendar above for exact timing.
What planting zone is Carter County, KY?
Carter County, Kentucky is in USDA Hardiness Zone 6b. The average last spring frost is April 18 and first fall frost is October 22.
When should I plant Potatoes in Carter County, KY?
In Carter County, KY, plant Potatoes after the last frost (around April 18) and before the first frost (around October 22). Best results when soil holds above 50°F.
What growing zone is Carter County, KY for Potatoes?
Carter County sits in USDA Zone 6b. Potatoes grows reliably in zones 3a through 10b, so it's a good fit here.
Can Potatoes grow in Carter County's climate?
Yes — Potatoes grows well in Carter County's temperate climate. Carter County averages a 187-day frost-free season, with last frost around April 18 and first frost around October 22.
Your Carter County Garden Planner — Free
A 22-page printable planner built for Carter County (Zone 6b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.