Hawaii planting zones & frost dates

USDA hardiness zones in Hawaii go from 12a to 13a. Pick your city for its average frost dates and a planting calendar, or search by ZIP code.

City	Zone	Avg. last frost	Avg. first frost
Aliamanu / Salt Lakes / Foster Village	12b	rare	rare
Diamond Head / Kapahulu / Saint Louis Heights	12b	rare	rare
East Honolulu	12b	rare	rare
Hawaiian Paradise Park	12b	rare	rare
Hilo	12b	rare	rare
Honolulu	12b	rare	rare
Hālawa	12b	rare	rare
Hālawa Heights	12b	rare	rare
Joint Base Pearl Harbor Hickam	12b	rare	rare
Kahului	12b	rare	rare
Kailua	12b	rare	rare
Kailua-Kona	13a	rare	rare
Kalihi Valley	12b	rare	rare
Kaneohe	12b	rare	rare
Kapa‘a	12b	rare	rare
Kapolei	12b	rare	rare
Kapolei Villages	12b	rare	rare
Kuliouou - Kalani Iki	12b	rare	rare
Kīhei	12b	rare	rare
Lahaina	12b	rare	rare
Makakilo	12b	rare	rare
Makakilo City	12b	rare	rare
Manoa	12b	rare	rare
Mililani Mauka	12a	rare	rare
Mililani Mauka / Launani Valley	12a	rare	rare
Mililani Town	12a	rare	rare
Niu Valley	12b	rare	rare
Nānākuli	12b	rare	rare
Palolo	12b	rare	rare
Pearl City	12a	rare	rare
Royal Kunia	12a	rare	rare
Schofield Barracks	12a	rare	rare
Village Park	12a	rare	rare
Wahiawā	12a	rare	rare
Waianae	12b	rare	rare
Waikīkī	12b	rare	rare
Wailuku	12b	rare	rare
Waimalu	12b	rare	rare
Waipahu	12a	rare	rare
Waipio	12a	rare	rare
‘Ewa Beach	12b	rare	rare
‘Ewa Gentry	12b	rare	rare

Cities with 10,000+ residents. Data: USDA Plant Hardiness Zone Map 2023 and NOAA Climate Normals 1991–2020. Sources and method.