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When to Plant Quince in Rio Arriba County, NM

Quince is a small ornamental tree producing fragrant, golden fruits that are too hard and astringent to eat raw but transform into a beautiful rose-colored paste when cooked.

Rio Arriba County, New Mexico is in USDA Zone 5b. The average last spring frost is June 13 and the first fall frost is September 17, giving you a growing season of approximately 96 days.

At an elevation of 5,979 feet, Rio Arriba County receives approximately 17.4 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 84ยฐF, so choose short-season varieties of Quince to ensure they mature before fall. Sandy soil warms quickly in spring โ€” great for early planting โ€” but Quince will need more frequent watering and organic matter to retain nutrients. With low rainfall, drip irrigation is essential for growing Quince successfully. Mulch heavily to conserve soil moisture.

Rio Arriba County, NM (Zone 5b) Very short season
96 days
Last Spring Frost June 13
96 growing days
First Fall Frost September 17

Rio Arriba County Soil Profile

Soil Type

Sandy Loam

Soil pH

7.3-8.1

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season
Transplant: Jun 27
Recommended (50%) ✓ Fits season
Transplant: Jul 4
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.

Plant Water Budget

Plant needs
1.0″/week
Rainfall provides
0.8″/week
You supply
0.7″/week
Watering frequency 1-2 times/week
Season total 552 gal / 100 sq ft
Drought risk

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

Quince needs ~18,980 GDD — county provides 1,248 GDD May not mature

Quince Planting Timeline โ€” Rio Arriba County, NM

Quince Planting Calendar

Activity When Date Range
Transplant Outdoors July 4 Jul 4 โ€“ Jul 18

ยท 120" apart ยท Rows 144" apart

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

1095โ€“1825 days

Soil pH

6 โ€“ 7.5

USDA Zone

Zone 5b

Growing Season

96 days

Growing Tips for Rio Arriba County

Plant in well-drained soil in a warm, sheltered location. Quince is self-fertile. Harvest after frost when fruit is golden and fragrant. Fire blight can be an issue; choose resistant varieties.

Companion Planting

Good Companions

Level Up Your Garden

Frequently Asked Questions

When should I plant Quince in Rio Arriba County, NM?

Rio Arriba County is in Zone 5b with an average last frost of June 13. Plan your Quince planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Rio Arriba County, NM?

Rio Arriba County, New Mexico is in USDA Hardiness Zone 5b. The average last spring frost is June 13 and first fall frost is September 17.

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Plan Your Garden with Confidence

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