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When to Plant Christmas Lima Beans in Uinta County, WY

Christmas lima beans are a large, beautifully marbled heirloom bean with a rich, chestnut-like flavor. They are a climbing variety that produces generously in warm weather.

Uinta County, Wyoming is in USDA Zone 4b. The average last spring frost is June 17 and the first fall frost is August 31, giving you a growing season of approximately 75 days.

At an elevation of 5,768 feet, Uinta County receives approximately 23.5 inches of rainfall annually with predominantly loam soil. Summer highs average 82ยฐF, so choose short-season varieties of Christmas Lima Beans to ensure they mature before fall.

Uinta County, WY (Zone 4b) Very short season
75 days
Last Spring Frost June 17
75 growing days
First Fall Frost August 31

Uinta County Soil Profile

Soil Type

Loam

Soil pH

6.3-8.3

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✗ May not fit
Start indoors: Apr 8 Transplant: Jul 1 🍅 Harvest: Sep 23 – Oct 28
Recommended (50%) ✗ May not fit
Start indoors: Apr 15 Transplant: Jul 8 🍅 Harvest: Sep 30 – Nov 4
Safe Start (90%) ✗ May not fit
Start indoors: Apr 22 Transplant: Jul 15 🍅 Harvest: Oct 7 – Nov 11

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
1.3″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Drought risk

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

Christmas Lima Beans needs ~1,035 GDD — county provides 862 GDD May not mature

Christmas Lima Beans Planting Timeline โ€” Uinta County, WY

Christmas Lima Beans Planting Calendar

Activity When Date Range
Start Indoors April 15 Apr 15 โ€“ Apr 29
Transplant Outdoors July 8 Jul 8 โ€“ Jul 22
Direct Sow July 1 Jul 1 โ€“ Jul 22
Harvest September 30 Sep 30 โ€“ Nov 4

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

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

80โ€“100 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 4b

Growing Season

75 days

Growing Tips for Uinta County

Direct sow after soil is warm. Provide tall trellising for vigorous vines. Harvest for fresh shelling when pods are plump or allow to dry on the vine for storage.

Companion Planting

Good Companions

Avoid Planting Near

  • Onion
  • Garlic

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Frequently Asked Questions

When should I plant Christmas Lima Beans in Uinta County, WY?

Uinta County is in Zone 4b with an average last frost of June 17. Plan your Christmas Lima Beans planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Uinta County, WY?

Uinta County, Wyoming is in USDA Hardiness Zone 4b. The average last spring frost is June 17 and first fall frost is August 31.

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Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Uinta County gardeners in Zone 4b 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 Uinta County, WY. Local conditions may vary. Last updated: April 2026.