Blog

When to Plant Squash (Winter) in Rappahannock County, VA

Winter squash includes butternut, acorn, delicata, and hubbard varieties grown to full maturity with hard rinds for storage. They develop sweet, dense flesh.

Rappahannock County, Virginia is in USDA Zone 6b. The average last spring frost is April 21 and the first fall frost is October 19, giving you a growing season of approximately 181 days.

At an elevation of 370 feet, Rappahannock County receives approximately 46.9 inches of rainfall annually with predominantly silt loam soil. Summer highs average 87ยฐF, providing good warmth for Squash (Winter) during the growing season.

Rappahannock County, VA (Zone 6b) Moderate season
181 days
Last Spring Frost April 21
181 growing days
First Fall Frost October 19

Rappahannock County Soil Profile

Soil Type

Silt Loam

Soil pH

5.5-6.9

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (28 days to spare)
Start indoors: Mar 11 Transplant: Apr 29 🍅 Harvest: Jul 22 – Sep 16
Recommended (50%) ✓ Fits season (27 days to spare)
Start indoors: Mar 17 Transplant: May 5 🍅 Harvest: Jul 28 – Sep 22
Safe Start (90%) ✓ Fits season (17 days to spare)
Start indoors: Apr 9 Transplant: May 28 🍅 Harvest: Aug 20 – Oct 15

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.

Plant Water Budget

Plant needs
1.0″/week
Rainfall provides
1.1″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Squash (Winter) needs ~1,525 GDD — county provides 2,760 GDD Excellent fit

Squash (Winter) Planting Timeline โ€” Rappahannock County, VA

Squash (Winter) Planting Calendar

Activity When Date Range
Start Indoors March 17 Mar 17 โ€“ Mar 31
Transplant Outdoors May 5 May 5 โ€“ May 19
Direct Sow April 28 Apr 28 โ€“ May 19
Harvest July 28 Jul 28 โ€“ Sep 22

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

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

80โ€“120 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 6b

Growing Season

181 days

Growing Tips for Rappahannock County

Direct sow after last frost on rich mounds. Allow ample space for sprawling vines. Cure harvested fruits in the sun for 10 days before storing in a cool, dry place.

Companion Planting

Good Companions

Avoid Planting Near

  • Potatoes

Level Up Your Garden

Frequently Asked Questions

When should I plant Squash (Winter) in Rappahannock County, VA?

Rappahannock County is in Zone 6b with an average last frost of April 21. Plan your Squash (Winter) planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Rappahannock County, VA?

Rappahannock County, Virginia is in USDA Hardiness Zone 6b. The average last spring frost is April 21 and first fall frost is October 19.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Rappahannock County gardeners in Zone 6b organize planting dates, track what's growing, and never miss a planting window.

Get Your Free Garden Planner →

Free download. Plan your entire garden season in minutes.

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