Kapa‘a, HI planting zone & frost dates
Kapa‘a is in USDA hardiness zone 12b. Frost is rare here: in most years temperatures do not drop to 32°F.
USDA hardiness zone12bavg. extreme winter low 55°F to 60°F
FrostRarein most years the nearest weather station records no 32°F freeze
Useful for zone 12b gardens
- Drip irrigation kit — saves water in long, hot seasons
- Shade cloth — protects plants from midday sun
- Soil moisture meter
- Plants for zone 12
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Nearby cities
- Waianae zone 12b
- Nānākuli zone 12b
- Schofield Barracks zone 12a
- Wahiawā zone 12a
- Makakilo zone 12b
- Makakilo City zone 12b
- Mililani Town zone 12a
- Mililani Mauka zone 12a
Questions
What growing zone is Kapa‘a, HI?
Kapa‘a is in USDA Plant Hardiness Zone 12b (average extreme winter low 55°F to 60°F), according to the USDA 2023 map.
Frost dates: NOAA U.S. Climate Normals 1991–2020, station Lihue Wso Ap 1020.1, HI (USW00022536), 10.4 km (6.5 mi) from the city center, elevation 30 m, based on 28 years of records. Hardiness zone: USDA Plant Hardiness Zone Map 2023 for the ZIP code nearest to the city center. Microclimates (valleys, hills, cities, coasts) can be warmer or colder: check the local forecast before planting. How we calculate the data.