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Peach variety

UFSun

The short answer

UFSun requires 100 chill hours[1]. It is self-fertile[1].

Growing facts

UFSun growing facts
Chill requirement100 chill hours[1]
HardinessNot published for this variety
PollinationSelf-fertile[1]
Harvest windowMay[1]
Years to bearing3 years (typical for peaches)[2]
AppearanceMedium, yellow flesh; 50-60% red skin with darker stripes[1]
UFSun peachSpecies illustration — no historical watercolor exists for this cultivar

Notes

  • Extremely low-chill (about 100 hr) non-melting-flesh peach for the mildest-winter zones; ripens with Flordaprince.[1]
  • Yellow flesh with clingstone pit.[1]

A year with your UFSun

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

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

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

Can I grow UFSun where I live?

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

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

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Questions

How many chill hours does UFSun need?
UFSun needs 100 chill hours.
Is UFSun self-pollinating?
UFSun is self-fertile, though a pollination partner can improve cropping.

Sources

  1. [1] University of Florida IFAS Extension. Florida Peach and Nectarine Varieties (CIR1159/MG374) — accessed July 2026
  2. [2] University of Maine Cooperative Extension. Growing Fruit Trees in Maine — Lack of Fruitfulness — accessed July 2026