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Variety fit — Texas

Can I grow Harko nectarine in Texas?

The verdict

Not recommended

  • Needs about 800 chill hours; your area averages 531 and tops out near 723.

Based on Texas’s main growing area (78701): zone 9a, ~531 chill hours. Your exact site may differ — check your ZIP.

The numbers

Harko requirements vs. Texas climate
Harko chill requirement800 chill hours
Texas average chill (78701)531 hours (270–723 across 10 winters)
Texas zone (78701)USDA zone 9a
Harko nectarineSpecies illustration — no historical watercolor exists for this cultivar

Better nectarine choices for Texas

These meet Texas’s chill hours and zone comfortably:

Keep checking

Or the same verdict for another region:

Questions

Can I grow Harko nectarine in Texas?
Probably not — Needs about 800 chill hours; your area averages 531 and tops out near 723.

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. Nectarines — DWN Variety Finder product list — accessed July 2026