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Variety fit — Oklahoma

Can I grow Kieffer pear in Oklahoma?

The verdict

Yes

  • Your zone 7b and typical 1212 chill hours both suit this variety.

Based on Oklahoma’s main growing area (73102): zone 7b, ~1,212 chill hours. Your exact site may differ — check your ZIP.

The numbers

Kieffer requirements vs. Oklahoma climate
Kieffer chill requirement200–300 chill hours
Kieffer hardinessUSDA zones 5–10
Oklahoma average chill (73102)1,212 hours (949–1,545 across 10 winters)
Oklahoma zone (73102)USDA zone 7b
USDA pomological watercolor of Kieffer pear
Pyrus communis: KiefferUSDA pomological watercolor, Mary Daisy Arnold, 1932 · USDA Pomological Watercolor Collection

Keep checking

Or the same verdict for another region:

Planting a Kieffer in Oklahoma? 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 Kieffer pear in Oklahoma?
Yes — Your zone 7b and typical 1212 chill hours both suit this variety.

Planting a Kieffer? 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. Kieffer — variety specifications — accessed October 2026