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When to Plant Pawpaw in Uinta County, WY

Uinta County, Wyoming Zone 5a May

Top priorities for Uinta County, Wyoming gardeners in May

Your garden in Uinta County, Wyoming is working on a schedule, even when you're not. Here's where you should be this May.

Avg. last frost June 17
Avg. first frost August 31
Soil temp (4") 38°F
Watering High
Pest pressure Low
Daylight 14.3 hrs

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Pawpaw is the largest native fruit tree in North America, producing tropical-tasting custard-like fruits. Young trees prefer shade but fruiting trees need good light.

Uinta County, Wyoming is in USDA Zone 5a. 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 82°F, so choose short-season varieties of Pawpaw to ensure they mature before fall.

Uinta County, WY (Zone 5a) 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) ✓ Fits season
Transplant: Jul 1
Recommended (50%) ✓ Fits season
Transplant: Jul 8
Safe Start (90%) ✓ Fits season
Transplant: Jul 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.

Soil Compatibility in Uinta County

How your county's soil matches Pawpaw's growing requirements.

Soil pH

Your soil pH (6.3–8.3) is more alkaline than Pawpaw prefers (5.5–7.0). Add sulfur or peat moss to lower pH.

Soil Texture

The loam soil in Uinta County is excellent for Pawpaw — good drainage, moisture retention, and nutrient holding capacity.

Organic Matter

Organic matter is moderate (2.2%). Annual compost additions will help Pawpaw.

How to Plant Pawpaw

120"
Between Plants
144"
Between Rows

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 — consider drought-tolerant varieties and mulching

Monthly Watering Guide for Pawpaw

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

Month Pawpaw Needs Rainfall You Supplement Action
Jan 1.5" 0" ❄️ Dormant
Feb 1.3" 0" ❄️ Dormant
Mar 2.2" 0" ❄️ Dormant
Apr 2.8" 0" ❄️ Dormant
May 2.7" 0" ❄️ Dormant
Jun 4.3" 1.8" 2.5" 🚿 Regular watering
Jul 4.3" 1.8" 2.5" 🚿 Regular watering
Aug 4.3" 2.2" 2.1" 💧 Light watering
Sep 2.2" 0" ❄️ Dormant
Oct 1.9" 0" ❄️ Dormant
Nov 1.7" 0" ❄️ Dormant
Dec 1.5" 0" ❄️ Dormant

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

Pawpaw 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.

Pawpaw needs ~20,988 GDD — county provides 862 GDD May not mature

Pawpaw Planting Timeline — Uinta County, WY

Pawpaw Planting Calendar

Activity When Date Range
Transplant Outdoors July 8 Jul 8 – Jul 22

· 120" apart · Rows 144" apart

Month-by-Month Timeline

MonthActivities
January
February
March
April
May
June
July Transplant Outdoors
August
September
October
November
December

Growing Conditions

☀️ Sun

Partial Shade (3-6 hours)

💧 Water

1"/week · Natural rainfall sufficient

📅 Days to Maturity

1095–2555 days

🧪 Soil pH

Needs 5.5–7 · Your soil: too_alkaline

🗺️ USDA Zone

Zone 5a

📆 Growing Season

75 days in Uinta County

Growing Tips for Pawpaw in Uinta County

Direct sow Pawpaw outdoors after June 17 in Uinta County when soil has warmed and frost danger has passed.

Your 75.0-day growing season in Uinta County is tight for Pawpaw (1095.0-2555.0 days to maturity). Start indoors and choose early-maturing varieties.

Uinta County receives only 24" of rain annually. Pawpaw needs consistent moisture — install drip irrigation or water deeply 2-3 times per week.

General growing tips

Plant at least two genetically distinct trees for cross-pollination. Provide shade for young trees. Fruits ripen in fall and have a very short shelf life. Harvest when slightly soft.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Pawpaw in Uinta County, WY?

Uinta County is in Zone 5a with an average last frost of June 17. Plan your Pawpaw planting based on this frost date — see the calendar above for exact timing.

What planting zone is Uinta County, WY?

Uinta County, Wyoming is in USDA Hardiness Zone 5a. The average last spring frost is June 17 and first fall frost is August 31.

🌱

Your Uinta County Garden Planner — Free

A 24-page printable planner built for Uinta County (Zone 5a). 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 Uinta County, WY. Local conditions may vary. Last updated: May 2026.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.