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When to Plant Butternut Squash in Magoffin County, KY

Magoffin County, Kentucky Zone 7a May

May in the garden — Magoffin County, Kentucky

Here's what deserves your attention in Magoffin County, Kentucky this month. Everything below is tailored to Zone 7a and timed around your local frost dates.

Avg. last frost April 18
Avg. first frost October 26
Soil temp (4") 62°F
Watering Low
Pest pressure Low
Daylight 14 hrs
  1. Harden off and plant butternut squash

    Plant tomatoes deep — bury the stem up to the first true leaves to grow extra roots. Everything else goes in at the same depth it grew in the tray.

  2. Start butternut squash indoors

    You're about 24 weeks out from your last frost — the perfect window to get these germinating indoors.

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Butternut squash is a popular winter squash with a long neck, small seed cavity, and sweet, nutty orange flesh. It stores exceptionally well for months.

Magoffin County, Kentucky is in USDA Zone 7a. The average last spring frost is April 18 and the first fall frost is October 26, giving you a growing season of approximately 191 days.

At an elevation of 2,020 feet, Magoffin County receives approximately 44.9 inches of rainfall annually with predominantly silt loam soil. Summer highs average 91°F, providing good warmth for Butternut Squash during the growing season.

Magoffin County, KY (Zone 7a) Moderate season
191 days
Last Spring Frost April 18
191 growing days
First Fall Frost October 26
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Magoffin County Soil Profile

Soil Type

Silt Loam

Soil pH

5.3-6.9

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (53 days to spare)
Start indoors: Mar 13 Transplant: Apr 24 🍅 Harvest: Jul 24 – Aug 28
Recommended (50%) ✓ Fits season (51 days to spare)
Start indoors: Mar 21 Transplant: May 2 🍅 Harvest: Aug 1 – Sep 5
Safe Start (90%) ✓ Fits season (53 days to spare)
Start indoors: Apr 2 Transplant: May 14 🍅 Harvest: Aug 13 – Sep 17

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 Magoffin County

How your county's soil matches Butternut Squash's growing requirements.

Soil pH

Your soil pH (5.3–6.9) overlaps with Butternut Squash's range (6.0–7.0), though not a perfect match.

Soil Texture

The silt loam soil in Magoffin County is excellent for Butternut Squash — good drainage, moisture retention, and nutrient holding capacity.

Organic Matter

Organic matter is moderate (2.6%). Annual compost additions will help Butternut Squash.

How to Plant Butternut Squash

1"
Planting Depth
30"
Between Plants
42"
Between Rows

Plant Water Budget

Plant needs
1.1″/week
Rainfall provides
1.0″/week
You supply
0.1″/week
Watering frequency Only during dry spells
Season total 192 gal / 100 sq ft

Monthly Watering Guide for Butternut Squash

Butternut Squash needs approximately 1.1 inches of water per week (4.8" per month). Here's how your county's rainfall compares month by month.

Month Butternut Squash Needs Rainfall You Supplement Action
Jan 3.5" 0" ❄️ Dormant
Feb 3.2" 0" ❄️ Dormant
Mar 4" 0" ❄️ Dormant
Apr 4.8" 3.7" 1.1" 💧 Light watering
May 4.8" 4.2" 0.6" 💧 Light watering
Jun 4.8" 4.1" 0.7" 💧 Light watering
Jul 4.8" 4.4" 0.4" 💧 Light watering
Aug 4.8" 4.3" 0.5" 💧 Light watering
Sep 4.8" 3.4" 1.4" 💧 Light watering
Oct 4.8" 2.6" 2.2" 💧 Light watering
Nov 3.8" 0" ❄️ Dormant
Dec 3.8" 0" ❄️ Dormant

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

Butternut Squash 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.

Butternut Squash needs ~1,779 GDD — county provides 3,485 GDD Excellent fit

Butternut Squash Planting Timeline — Magoffin County, KY

Butternut Squash Planting Calendar

Activity When Date Range
Start Indoors March 21 Mar 21 – Apr 4
Transplant Outdoors May 2 May 2 – May 16
Direct Sow April 25 Apr 25 – May 16
Harvest August 1 Aug 1 – Sep 5

Plant 1" deep · 30" apart · Rows 42" apart

Month-by-Month Timeline

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

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

1.1"/week · Only during dry spells

📅 Days to Maturity

85–110 days

🧪 Soil pH

Needs 6–7 · Your soil: acceptable

🗺️ USDA Zone

Zone 7a

📆 Growing Season

191 days in Magoffin County

Growing Tips for Butternut Squash in Magoffin County

Direct sow Butternut Squash outdoors after April 18 in Magoffin County when soil has warmed and frost danger has passed.

Common pests for Butternut Squash in this region include squash vine borer and cucumber beetles. Use row covers early in the season and inspect plants weekly.

General growing tips

Start seeds indoors 3 weeks early or direct sow after frost. Allow 6-8 feet for sprawling vines. Harvest when the skin is hard and uniformly tan. Cure in the sun for 10 days.

Companion Planting

Good Companions

Avoid Planting Near

  • Potatoes

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Butternut Squash in Magoffin County, KY?

Magoffin County is in Zone 7a with an average last frost of April 18. Plan your Butternut Squash planting based on this frost date — see the calendar above for exact timing.

What planting zone is Magoffin County, KY?

Magoffin County, Kentucky is in USDA Hardiness Zone 7a. The average last spring frost is April 18 and first fall frost is October 26.

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Your Magoffin County Garden Planner — Free

A 24-page printable planner built for Magoffin County (Zone 7a). 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 Magoffin County, KY. 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.