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When to Plant Snap Peas in McKinley County, NM

Snap peas have edible pods with plump, sweet peas inside, combining the best features of snow peas and garden peas. They are a garden favorite for fresh eating.

McKinley County, New Mexico is in USDA Zone 5b. The average last spring frost is May 29 and the first fall frost is September 24, giving you a growing season of approximately 118 days.

At an elevation of 7,104 feet, McKinley County receives approximately 10.5 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 86ยฐF, providing good warmth for Snap Peas during the growing season. Sandy soil warms quickly in spring โ€” great for early planting โ€” but Snap Peas will need more frequent watering and organic matter to retain nutrients. With low rainfall, drip irrigation is essential for growing Snap Peas successfully. Mulch heavily to conserve soil moisture.

McKinley County, NM (Zone 5b) Short season
118 days
Last Spring Frost May 29
118 growing days
First Fall Frost September 24

McKinley County Soil Profile

Soil Type

Sandy Loam

Soil pH

7.3-8.2

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✗ May not fit
Start indoors: Mar 29 Transplant: Jun 7 🍅 Harvest: Aug 2 – Sep 27
Recommended (50%) ✗ May not fit
Start indoors: Apr 3 Transplant: Jun 12 🍅 Harvest: Aug 7 – Oct 2
Safe Start (90%) ✗ May not fit
Start indoors: Apr 19 Transplant: Jun 28 🍅 Harvest: Aug 23 – Oct 18

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
0.4″/week
You supply
1.1″/week
Watering frequency 2-3 times/week
Season total 1,167 gal / 100 sq ft
Drought risk

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

Snap Peas needs ~906 GDD — county provides 1,711 GDD Excellent fit

Snap Peas Planting Timeline โ€” McKinley County, NM

Snap Peas Planting Calendar

Activity When Date Range
Start Indoors April 3 Apr 3 โ€“ Apr 17
Transplant Outdoors June 12 Jun 12 โ€“ Jun 26
Direct Sow June 5 Jun 5 โ€“ Jun 26
Harvest August 7 Aug 7 โ€“ Oct 2

Plant 1" deep ยท 4" apart ยท Rows 18" apart

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

55โ€“70 days

Soil pH

6 โ€“ 7.5

USDA Zone

Zone 5b

Growing Season

118 days

Growing Tips for McKinley County

Direct sow in early spring as soon as soil can be worked. Provide a trellis 4-6 feet tall. Harvest when pods are plump and snap cleanly when bent.

Companion Planting

Good Companions

Avoid Planting Near

  • Onion
  • Garlic

Level Up Your Garden

Frequently Asked Questions

When should I plant Snap Peas in McKinley County, NM?

McKinley County is in Zone 5b with an average last frost of May 29. Plan your Snap Peas planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is McKinley County, NM?

McKinley County, New Mexico is in USDA Hardiness Zone 5b. The average last spring frost is May 29 and first fall frost is September 24.

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Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help McKinley 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 McKinley County, NM. Local conditions may vary. Last updated: April 2026.