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When to Plant Delicata Squash in Athens County, OH

Athens County, Ohio Zone 6b May

May to-do list for Athens County, Ohio

May is a pivotal month for Athens County, Ohio gardens. Focus on these tasks first and you'll set up the rest of the season for success.

Avg. last frost April 20
Avg. first frost October 26
Soil temp (4") 64°F
Watering Low
Pest pressure Low
Daylight 14.2 hrs
  1. Set out delicata squash seedlings

    Bring a watering can to the bed. Each transplant gets a drink the moment it's in the ground, not ten minutes later.

  2. Fire up the seed-starting tray: delicata squash

    Give them 6–8 weeks indoors before the last frost and you'll transplant into warm soil with seedlings that are already leaping.

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Delicata squash is a winter squash with an edible skin and sweet, creamy orange flesh. Its compact vines make it suitable for smaller gardens.

Athens County, Ohio is in USDA Zone 6b. The average last spring frost is April 20 and the first fall frost is October 26, giving you a growing season of approximately 189 days.

At an elevation of 645 feet, Athens County receives approximately 39.1 inches of rainfall annually with predominantly silt loam soil. Summer highs average 87°F, providing good warmth for Delicata Squash during the growing season.

Athens County, OH (Zone 6b) Moderate season
189 days
Last Spring Frost April 20
189 growing days
First Fall Frost October 26
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Athens County Soil Profile

Soil Type

Silt Loam

Soil pH

6.1-7.2

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (58 days to spare)
Start indoors: Mar 8 Transplant: Apr 26 🍅 Harvest: Jul 19 – Aug 23
Recommended (50%) ✓ Fits season (56 days to spare)
Start indoors: Mar 16 Transplant: May 4 🍅 Harvest: Jul 27 – Aug 31
Safe Start (90%) ✓ Fits season (50 days to spare)
Start indoors: Apr 5 Transplant: May 24 🍅 Harvest: Aug 16 – Sep 20

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 Athens County

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

Soil pH

Your soil pH (6.1–7.2) overlaps with Delicata Squash's range (6.0–7.0), though not a perfect match.

Soil Texture

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

Drainage

Drainage is adequate for Delicata Squash.

Organic Matter

Organic matter is excellent (5.0%) — Delicata Squash will thrive.

How to Plant Delicata Squash

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

Succession Planting Delicata Squash

2
successive plantings in your 189-day season

Sow every 9.1 weeks. Last sowing by Jul 18 to harvest before frost.

Plant Water Budget

Plant needs
1.0″/week
Rainfall provides
0.9″/week
You supply
0.4″/week
Watering frequency 1-2 times/week
Season total 725 gal / 100 sq ft

Monthly Watering Guide for Delicata Squash

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

Month Delicata Squash Needs Rainfall You Supplement Action
Jan 1.7" 0" ❄️ Dormant
Feb 1.9" 0" ❄️ Dormant
Mar 2.4" 0" ❄️ Dormant
Apr 4.3" 3.3" 1" 💧 Light watering
May 4.3" 4.7" 0" ✅ Rainfall sufficient
Jun 4.3" 5" 0" ✅ Rainfall sufficient
Jul 4.3" 4.4" 0" ✅ Rainfall sufficient
Aug 4.3" 4.5" 0" ✅ Rainfall sufficient
Sep 4.3" 3.6" 0.7" 💧 Light watering
Oct 4.3" 3.3" 1" 💧 Light watering
Nov 2.3" 0" ❄️ Dormant
Dec 1.9" 0" ❄️ Dormant

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

Delicata 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.

Delicata Squash needs ~1,372 GDD — county provides 2,882 GDD Excellent fit

Delicata Squash Planting Timeline — Athens County, OH

Delicata Squash Planting Calendar

Activity When Date Range
Start Indoors March 16 Mar 16 – Mar 30
Transplant Outdoors May 4 May 4 – May 18
Direct Sow April 27 Apr 27 – May 18
Harvest July 27 Jul 27 – Aug 31

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

Month-by-Month Timeline

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

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

1"/week · 1-2 times/week

📅 Days to Maturity

80–100 days

🧪 Soil pH

Needs 6–7 · Your soil: acceptable

🗺️ USDA Zone

Zone 6b

📆 Growing Season

189 days in Athens County

Growing Tips for Delicata Squash in Athens County

Direct sow Delicata Squash outdoors after April 20 in Athens County when soil has warmed and frost danger has passed.

Common pests for Delicata 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

Direct sow after last frost on mounds. Harvest when skin is hard and ivory with green stripes. The thin skin does not need peeling. Stores 2-3 months in a cool place.

Companion Planting

Good Companions

Avoid Planting Near

  • Potatoes

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Delicata Squash in Athens County, OH?

Athens County is in Zone 6b with an average last frost of April 20. Plan your Delicata Squash planting based on this frost date — see the calendar above for exact timing.

What planting zone is Athens County, OH?

Athens County, Ohio is in USDA Hardiness Zone 6b. The average last spring frost is April 20 and first fall frost is October 26.

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Your Athens County Garden Planner — Free

A 24-page printable planner built for Athens 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.

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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 Athens County, OH. Local conditions may vary. Last updated: May 2026.

Sources & credits

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