Honolulu, HI planting zone & frost dates
Honolulu 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
As an Amazon Associate, FrostZoneMap earns from qualifying purchases, at no extra cost to you.
Hardiness zone by ZIP code in Honolulu
- 96801 zone 12b
- 96802 zone 12b
- 96803 zone 12b
- 96804 zone 12b
- 96805 zone 12b
- 96806 zone 12b
- 96807 zone 12b
- 96808 zone 12b
- 96809 zone 12b
- 96810 zone 12b
- 96811 zone 12b
- 96812 zone 12b
- 96813 zone 12b
- 96814 zone 12b
- 96815 zone 12b
- 96816 zone 12b
- 96817 zone 12b
- 96818 zone 12b
- 96819 zone 12b
- 96820 zone 12b
- 96821 zone 12b
- 96822 zone 12b
- 96823 zone 12b
- 96824 zone 12b
- 96825 zone 12b
- 96826 zone 12b
- 96828 zone 12b
- 96830 zone 12b
- 96836 zone 12b
- 96837 zone 12b
- 96838 zone 12b
- 96839 zone 12b
- 96840 zone 12b
- 96841 zone 12b
- 96843 zone 12b
- 96846 zone 12b
- 96847 zone 12b
- 96848 zone 12b
- 96849 zone 12b
- 96850 zone 12b
Nearby cities
- Waikīkī zone 12b
- Manoa zone 12b
- Diamond Head / Kapahulu / Saint Louis Heights zone 12b
- Kalihi Valley zone 12b
- Palolo zone 12b
- Aliamanu / Salt Lakes / Foster Village zone 12b
- Hālawa Heights zone 12b
- Hālawa zone 12b
Questions
What growing zone is Honolulu, HI?
Honolulu 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 Waikiki 717.2, HI (USC00519397), 5.8 km (3.6 mi) from the city center, elevation 3 m, based on 18 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.