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When to Plant Wax Beans in Sanpete County, UT

Wax beans are a yellow-podded variety of snap beans with a buttery, slightly sweeter flavor than green beans. They are easy to spot on the plant for picking.

Sanpete County, Utah is in USDA Zone 5b. The average last spring frost is May 21 and the first fall frost is September 28, giving you a growing season of approximately 130 days.

At an elevation of 6,969 feet, Sanpete County receives approximately 14.2 inches of rainfall annually with predominantly loam soil. Summer highs average 86ยฐF, providing good warmth for Wax Beans during the growing season. With low rainfall, drip irrigation is essential for growing Wax Beans successfully. Mulch heavily to conserve soil moisture.

Sanpete County, UT (Zone 5b) Short season
130 days
Last Spring Frost May 21
130 growing days
First Fall Frost September 28

Sanpete County Soil Profile

Soil Type

Loam

Soil pH

6.5-7.8

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (21 days to spare)
Transplant: May 13 🍅 Harvest: Jul 8 – Sep 2
Recommended (50%) ✓ Fits season (18 days to spare)
Transplant: May 21 🍅 Harvest: Jul 16 – Sep 10
Safe Start (90%) ✓ Fits season (17 days to spare)
Transplant: Jun 10 🍅 Harvest: Aug 5 – Sep 30

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
0.5″/week
You supply
0.7″/week
Watering frequency 1-2 times/week
Season total 751 gal / 100 sq ft
Drought risk

Water stress score is 6/10 โ€” consider drought-tolerant varieties and mulching

Wax Beans needs ~834 GDD — county provides 1,885 GDD Excellent fit

Wax Beans Planting Timeline โ€” Sanpete County, UT

Wax Beans Planting Calendar

Activity When Date Range
Direct Sow May 28 May 28 โ€“ Jun 18
Harvest July 23 Jul 23 โ€“ Sep 17

Plant 1" deep ยท 15" apart ยท Rows 24" apart

Month-by-Month Timeline

MonthActivities
January โ€”
February โ€”
March โ€”
April โ€”
May Direct Sow
June Direct Sow
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

50โ€“65 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 5b

Growing Season

130 days

Growing Tips for Sanpete County

Direct sow after last frost. Pick pods regularly when young and tender. Bush types produce a concentrated harvest while pole types yield longer. Avoid working around wet plants.

Companion Planting

Good Companions

Avoid Planting Near

  • Onion
  • Garlic

Level Up Your Garden

Frequently Asked Questions

When should I plant Wax Beans in Sanpete County, UT?

Sanpete County is in Zone 5b with an average last frost of May 21. Plan your Wax Beans planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Sanpete County, UT?

Sanpete County, Utah is in USDA Hardiness Zone 5b. The average last spring frost is May 21 and first fall frost is September 28.

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Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Sanpete County gardeners in Zone 5b organize planting dates, track what's growing, and never miss a planting window.

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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 Sanpete County, UT. Local conditions may vary. Last updated: April 2026.