Planting calendar for Hawaii
Short answer
Most of Hawaii is in climate zone 1, with an average last spring frost around Jan 15 and first fall frost around Dec 20. Plant hardy crops before the last frost, tender crops after. Enter your ZIP for dates tuned to your exact area.
Last spring frost
Jan 15
First fall frost
Dec 20
Climate zone(s)
1
| Crop | Start indoors | Plant outside | Harvest |
|---|---|---|---|
| Peas | — | Jan 1 | Feb 9 |
| Spinach | — | Jan 1 | Jan 25 |
| Radishes | — | Jan 1 | Jan 15 |
| Kale | Jan 1 | Jan 1 | Feb 11 |
| Onions | Jan 1 | Jan 1 | Mar 28 |
| Lettuce | Jan 1 | Jan 1 | Feb 13 |
| Carrots | — | Jan 1 | Mar 5 |
| Beets | — | Jan 1 | Feb 18 |
| Broccoli | Jan 1 | Jan 1 | Mar 7 |
| Cabbage | Jan 1 | Jan 1 | Mar 12 |
| Potatoes | — | Jan 1 | Apr 1 |
| Cilantro | — | Jan 1 | Feb 15 |
| Zucchini / squash | Jan 1 | Jan 22 | Mar 13 |
| Green beans | — | Jan 22 | Mar 18 |
| Sweet corn | — | Jan 22 | Apr 7 |
| Tomatoes | Jan 1 | Jan 29 | Apr 14 |
| Peppers | Jan 1 | Jan 29 | Apr 19 |
| Cucumbers | Jan 1 | Jan 29 | Mar 25 |
| Pumpkins | Jan 1 | Jan 29 | May 19 |
| Basil | Jan 1 | Jan 29 | Mar 30 |
Dates use zone 1 (most of Hawaii); colder areas run later. Enter your ZIP in the calculator for your exact zone.
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Frequently asked questions
When is the last frost in Hawaii?
Most of Hawaii (zone 1) averages its last spring frost around Jan 15 and first fall frost around Dec 20. Colder parts of the state run later in spring.
When should I plant tomatoes in Hawaii?
Set tomato transplants out around Jan 29 in most of Hawaii — a couple of weeks after the last frost. Start seeds indoors about Jan 1.
What is the growing season in Hawaii?
Roughly Dec 20 minus Jan 15 for zone 1. Cool-season crops extend it on both ends; enter your ZIP for your exact dates.