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USDA hardiness zone by ZIP

USDA hardiness zone for ZIP 96813 (Honolulu)

ZIP 96813 is USDA hardiness zone 12b; use the Honolulu frost station's Jan 1 last frost and Dec 31 first frost to turn that zone into a planting calendar.

Source: honolulu-intl frost station, USDA zone 12b, last updated 2026-06-28. Verify locally before planting high-value crops because microclimates, current weather, and yard exposure can move the safe date.

ZIP 96813 is in USDA hardiness zone 12b. For vegetables, the zone is useful context, but frost dates decide the actual planting window.

Use the ZIP calendar to turn the zone into crop-specific dates.

Planting calendars in zone 12b

Honolulu, HI · Zone 12b Tomatoes Jan 8 Open answer · last frost Jan 1 Honolulu, HI · Zone 12b Peppers Jan 15 Open answer · last frost Jan 1 Honolulu, HI · Zone 12b Basil Jan 11 Open answer · last frost Jan 1 Honolulu, HI · Zone 12b Carrots Dec 11 Open answer · last frost Jan 1 Honolulu, HI · Zone 12b Lettuce Dec 18 Open answer · last frost Jan 1 Honolulu, HI · Zone 12b Cucumbers Jan 11 Open answer · last frost Jan 1 Honolulu, HI · Zone 12b Zucchini Jan 11 Open answer · last frost Jan 1 Honolulu, HI · Zone 12b Cilantro Dec 18 Open answer · last frost Jan 1 Honolulu, HI · Zone 12b Bush beans Jan 8 Open answer · last frost Jan 1 Honolulu, HI · Zone 12b Spinach Dec 4 Open answer · last frost Jan 1 Honolulu, HI · Zone 12b Radishes Dec 4 Open answer · last frost Jan 1 Honolulu, HI · Zone 12b Kale Dec 18 Open answer · last frost Jan 1 Honolulu, HI · Zone 12b Watermelon Jan 15 Open answer · last frost Jan 1