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When to Plant Medlar in Bernalillo County, NM

Medlar is a small ornamental tree producing unusual open-ended fruits that must be bletted (softened by frost) before eating. The flavor is complex, like spiced apple butter.

Bernalillo County, New Mexico is in USDA Zone 7a. The average last spring frost is April 30 and the first fall frost is October 14, giving you a growing season of approximately 167 days.

At an elevation of 4,326 feet, Bernalillo County receives approximately 16.3 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 91ยฐF, providing good warmth for Medlar during the growing season. Sandy soil warms quickly in spring โ€” great for early planting โ€” but Medlar will need more frequent watering and organic matter to retain nutrients. With low rainfall, drip irrigation is essential for growing Medlar successfully. Mulch heavily to conserve soil moisture.

Bernalillo County, NM (Zone 7a) Moderate season
167 days
Last Spring Frost April 30
167 growing days
First Fall Frost October 14

Bernalillo County Soil Profile

Soil Type

Sandy Loam

Soil pH

6.8-8.2

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season
Transplant: May 7
Recommended (50%) ✓ Fits season
Transplant: May 21
Safe Start (90%) ✓ Fits season
Transplant: Jun 20

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 1,587 gal / 100 sq ft
Drought risk

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

Medlar needs ~26,645 GDD — county provides 3,047 GDD May not mature

Medlar Planting Timeline โ€” Bernalillo County, NM

Medlar Planting Calendar

Activity When Date Range
Transplant Outdoors May 21 May 21 โ€“ Jun 4

ยท 120" apart ยท Rows 144" apart

Month-by-Month Timeline

MonthActivities
January โ€”
February โ€”
March โ€”
April โ€”
May Transplant Outdoors
June Transplant Outdoors
July โ€”
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 7a

Growing Season

167 days

Growing Tips for Bernalillo County

Plant in well-drained soil. Medlars are self-fertile and need minimal pruning. Harvest after the first frost and allow to soften (blet) indoors for 2-3 weeks before eating.

Companion Planting

Good Companions

Level Up Your Garden

Frequently Asked Questions

When should I plant Medlar in Bernalillo County, NM?

Bernalillo County is in Zone 7a with an average last frost of April 30. Plan your Medlar planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Bernalillo County, NM?

Bernalillo County, New Mexico is in USDA Hardiness Zone 7a. The average last spring frost is April 30 and first fall frost is October 14.

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Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Bernalillo County gardeners in Zone 7a 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 Bernalillo County, NM. Local conditions may vary. Last updated: April 2026.