Blog

Hawaii Planting Calendar

Hawaii spans USDA hardiness zones 10a, 10b, 11a, 11b, 12a, 12b, 13a. Planting dates vary significantly across the state depending on your zone. Find your county on the map below for exact frost dates and planting windows.

Find Your County

Click any county to see your local planting calendar with exact frost dates and planting windows.

Hover over a county to see details. Click to view planting guide.

Zones in Hawaii

Growing Season Comparison

Frost Dates & Growing Season by County

View all 5 Hawaii counties with frost dates
County Zone Last Frost First Frost Growing Days
Hawaii County 12b Jan 1 Dec 31 365
Honolulu County 12b Jan 1 Dec 31 365
Kalawao County 11a Jan 1 Dec 31 365
Kauai County 12b Jan 1 Dec 31 365
Maui County 12b Jan 1 Dec 31 365

🥬 Vegetables

Browse all 116 vegetables you can grow in Hawaii

🍓 Fruits

Browse all 34 fruits you can grow in Hawaii

🌿 Herbs

Browse all 42 herbs you can grow in Hawaii

Monthly Planting Guide for Hawaii

Best Seller
The Gardener's Encyclopedia to Companion Planting

The Gardener's Encyclopedia to Companion Planting

$27 $293 value

The pairings that make vegetables, herbs, and flowers grow better — and the ones that quietly wreck a bed.

  • Proven pairings for 200+ vegetables, herbs, flowers, and fruits
  • Full seed-starting + planting schedule with timing and spacing
  • Bonus: square-foot gardening guide + printable seasonal planners
See what's inside →

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Last updated: April 2026.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.