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Apple variety

Topaz

The short answer

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

Growing facts

Topaz 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]
Topaz appleSpecies illustration — no historical watercolor exists for this cultivar

Pollination partners

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

Show 27 more compatible varieties

Notes

  • Mid-season bloom; a scab-resistant selection.[1]
  • Moderately resistant to fire blight.[1]

A year with your Topaz

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 Topaz where I live?

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

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

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Questions

What hardiness zones suit Topaz?
Topaz grows in USDA zones 4–8.
Is Topaz self-pollinating?
No — Topaz 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