Henderson, NV · zone 9a · ~323 frost-free days
When to plant a garden in Henderson.
In Henderson, the typical last spring frost lands around Jan 24 and the first fall frost around Dec 13, giving you about 323 frost-free days. Cool-season crops go out before the last frost; warm-season crops wait until after it.
The 2026 windows
Sow dates for Henderson, keyed to your frost.
| Crop | Start indoors | Spring sow / set out | Fall sow |
|---|---|---|---|
| Tomato, slicing | Dec 20 to Feb 19 | Jan 31 to Apr 2 | — |
| Lettuce, leaf | — | Jan 1 to Jan 31 | Sep 29 to Nov 28 |
| Carrot | — | Jan 1 to Jan 19 | Sep 17 to Oct 13 |
| Bush Bean | — | Jan 24 to Mar 16 | Aug 29 to Oct 1 |
| Cucumber, slicing | — | Jan 31 to May 2 | Aug 12 to Sep 12 |
| Pepper, bell | Dec 29 to Feb 19 | Feb 9 to Apr 2 | — |
| Kale | Nov 20 to Dec 3 | Jan 1 to Jan 14 | Sep 12 to Oct 28 |
| Spinach | — | Jan 1 to Jan 14 | Sep 29 to Nov 17 |
Henderson sits in Zone 9a, but two gardens in the same city can be a week or two apart. The planner works from your ZIP code's frost dates, not the zone, so the dates land right for your block, not the metro average.
Build your Henderson garden plan.
Tell the free planner what you want to eat and who you're feeding. It returns plant counts, spacing, and frost-safe sow dates for ZIP 89011 in about 60 seconds.