When to Plant Squash (Summer) in Virgin, UT

Summer squash includes zucchini, yellow crookneck, and pattypan varieties that are harvested young and tender. They are prolific producers in warm weather.

Virgin, Utah is in USDA Zone 8b. The average last spring frost is April 6 and the first fall frost is November 1, giving you a growing season of approximately 209 days.

At an elevation of 3,524 feet, Washington County receives approximately 12.7 inches of rainfall annually with predominantly loam soil. Summer highs average 90°F, providing good warmth for Squash (Summer) during the growing season. With low rainfall, drip irrigation is essential for growing Squash (Summer) successfully. Mulch heavily to conserve soil moisture.

Virgin, UT (Zone 8b) Long season

209 days

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Last Spring Frost April 6

➔ 209 growing days ➔

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First Fall Frost November 1

Virgin Soil Profile

Soil Type

Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Zone Compatibility for Squash (Summer) Zones 3a – 11b

1a 1b 2a 2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b You 9a 9b 10a 10b 11a 11b 12a 12b 13a 13b

Ideal (data available) Suitable Marginal Not recommended

Squash (Summer) Planting Timeline — Virgin, UT

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Last Frost

First Frost

Start Indoors

Mar 9 – Mar 23

Transplant

Apr 20 – May 4

Direct Sow

Apr 13 – May 4

Harvest

Jun 8 – Aug 10

Growing season Start indoors Transplant Direct sow Harvest

Squash (Summer) Planting Calendar

Activity	When	Date Range
Start Indoors	March 9	Mar 9 – Mar 23
Transplant Outdoors	April 20	Apr 20 – May 4
Direct Sow	April 13	Apr 13 – May 4
Harvest	June 8	Jun 8 – Aug 10

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

Month-by-Month Timeline

Month	Activities
January	—
February	—
March	Start Indoors
April	Transplant Outdoors Direct Sow
May	Transplant Outdoors Direct Sow
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

45–65 days

🧪 Soil pH

Needs 6–7.5 · Your soil: N/A

🗺️ USDA Zone

Zone 8b

📆 Growing Season

209 days in Washington County

Growing Tips for Virgin

Direct sow after last frost on mounds. Harvest frequently when fruits are 6-8 inches for best texture. Check plants daily as they grow rapidly in summer heat.

Companion Planting

Good Companions

Avoid Planting Near

Check more plant combinations with our Companion Planting Checker →

Squash (Summer) in Other Locations

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Your Washington County Garden Planner — Free

A 22-page printable planner built for Washington County (Zone 8b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.