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Variety fit — Colorado

Can I grow Warren pear in Colorado?

The verdict

Yes

  • Your zone 7a and typical 1650 chill hours both suit this variety.

Based on Colorado’s main growing area (81501): zone 7a, ~1,650 chill hours. Your exact site may differ — check your ZIP.

The numbers

Warren requirements vs. Colorado climate
Warren chill requirement600 chill hours
Warren hardinessUSDA zones 5–9
Colorado average chill (81501)1,650 hours (1,253–1,821 across 10 winters)
Colorado zone (81501)USDA zone 7a
Warren pearSpecies illustration — no historical watercolor exists for this cultivar

Keep checking

Or the same verdict for another region:

Planting a Warren in Colorado? Get its care calendar for your exact ZIP code, starting with this month’s tasks for one tree, free.

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Questions

Can I grow Warren pear in Colorado?
Yes — Your zone 7a and typical 1650 chill hours both suit this variety.

Planting a Warren? Gear that helps

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Before you plantMySoil mail-in soil test kitLab-grade pH and nutrient analysis with amendment recommendations — worth doing before you plant.View on Amazon →First-year wateringTreegator slow-release watering bag20 gallons drips over 5–9 hours — the easiest way to keep a first-year tree consistently watered.View on Amazon →Bark protectionExpandable trunk protectors (5-pack)Stops rabbit, vole, and mower damage on young bark — cheap insurance for a new orchard.View on Amazon →

Sources

  1. [1] Open-Meteo / Copernicus ERA5. Historical Weather API (hourly 2m temperature) — accessed July 2026
  2. [2] USDA / PRISM (Oregon State University). 2023 USDA Plant Hardiness Zone Map — accessed July 2026
  3. [3] Dave Wilson Nursery. European pears — DWN Variety Finder product list — accessed July 2026
  4. [4] Dave Wilson Nursery. Warren — variety specifications — accessed October 2026