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Pear variety

Chojuro

The short answer

Chojuro requires 450 chill hours[1] and grows in USDA zones 5–9[2]. It needs a pollination partner[1].

Growing facts

Chojuro growing facts
Chill requirement450 chill hours[1] (nursery figure)
HardinessUSDA zones 5–9[2] (nursery figure)
PollinationNeeds a pollination partner, bloom group 3[1]
Harvest windowAugust[1]
Years to bearing4–6 years (typical for pears)[3]
Chojuro pearSpecies illustration — no historical watercolor exists for this cultivar

Pollination partners

Chojuro blooms in group 3. The closest bloom-time matches make the most reliable partners:

Show 10 more compatible varieties

Notes

  • Needs a pollinizer; pollenized by Hosui, Shinko, or other pear.[1]
  • A late-blooming Asian pear.[4]

A year with your Chojuro

When the work happens for a pear in USDA zone 7, anchored to typical frost dates.

Months for pruning, thinning, spray-timing windows, and harvest for Pear in zone 7
TaskJFMAMJJASOND
Prune———————————
Thin——————————
Spray timing———————
Harvest—————————
Care——————————

See the full month-by-month pear calendar for zone 7 →

Can I grow Chojuro where I live?

Check the verdict for a few regions, or your exact ZIP:

Growing a Chojuro? Get its care calendar for your exact ZIP code, starting with this month’s tasks for one tree, free.

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Questions

How many chill hours does Chojuro need?
Chojuro needs 450 chill hours.
What hardiness zones suit Chojuro?
Chojuro grows in USDA zones 5–9.
Is Chojuro self-pollinating?
No — Chojuro needs a compatible pollination partner nearby.

Sources

  1. [1] Dave Wilson Nursery. Asian pears — DWN Variety Finder product list — accessed July 2026
  2. [2] Dave Wilson Nursery. Chojuro — variety specifications — accessed October 2026
  3. [3] Iowa State University Extension and Outreach. How soon will a newly planted fruit tree begin to bear fruit? (Yard and Garden FAQ) — accessed July 2026
  4. [4] Burnt Ridge Nursery. Asian pear pollination chart — accessed July 2026