When to Plant Medlar in Rio Arriba 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.
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 84°F, so choose short-season varieties of Medlar to ensure they mature before fall. Sandy soil warms quickly in spring — great for early planting — 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.
Rio Arriba County Soil Profile
Soil Type
Sandy Loam
Soil pH
7.3-8.1
Drainage
Well Drained
Plant Planting Risk Windows
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
Water stress score is 10/10 — consider drought-tolerant varieties and mulching
Medlar Planting Timeline — Rio Arriba County, NM
Medlar Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | July 4 | Jul 4 – Jul 18 |
· 120" apart · Rows 144" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | — |
| May | — |
| June | — |
| July | Transplant Outdoors |
| August | — |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
Moderate — regular watering
Days to Maturity
1095–1825 days
Soil pH
6 – 7.5
USDA Zone
Zone 5b
Growing Season
96 days
Growing Tips for Rio Arriba 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
Medlar in Other Locations
Frequently Asked Questions
When should I plant Medlar in Rio Arriba County, NM?
Rio Arriba County is in Zone 5b with an average last frost of June 13. Plan your Medlar planting based on this frost date — 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.
Plan Your Garden with Confidence
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