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Apple variety

Jonamac

The short answer

Jonamac grows in USDA zones 4–8[1]. It needs a pollination partner[1].

Growing facts

Jonamac growing facts
Chill requirement800–1,000 chill hours (our estimate — no published figure)
HardinessUSDA zones 4–8[1]
PollinationNeeds a pollination partner, bloom group 3[1]
Harvest windowSeptember–October[1]
Years to bearing4–5 years (typical for apples)[2]
Jonamac appleSpecies illustration — no historical watercolor exists for this cultivar

Pollination partners

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

Show 27 more compatible varieties

Notes

  • Mid-season bloom (a McIntosh x Jonathan cross); needs a compatible pollinizer.[1]
  • Moderately susceptible to fire blight.[1]
  • Susceptible to apple scab; cited in the eXtension fire-blight table.[3]

A year with your Jonamac

When the work happens for an apple in USDA zone 6, anchored to typical frost dates.

Months for pruning, thinning, spray-timing windows, and harvest for Apple in zone 6
TaskJFMAMJJASOND
Prune—————————
Thin——————————
Spray timing——————
Harvest——————————
Care———————————

See the full month-by-month apple calendar for zone 6 →

Can I grow Jonamac where I live?

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

Growing a Jonamac? Get its care calendar for your exact ZIP code, with email reminders.

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Questions

What hardiness zones suit Jonamac?
Jonamac grows in USDA zones 4–8.
Is Jonamac self-pollinating?
No — Jonamac needs a compatible pollination partner nearby.

Sources

  1. [1] Utah State University Extension. Apple Production and Variety Recommendations for the Utah Home Garden — accessed July 2026
  2. [2] 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
  3. [3] eXtension Foundation (Apple community, Cooperative Extension). Table of Apple Cultivar Fire Blight Susceptibility — accessed July 2026