Henderson, NV · zone 9a · ~323 frost-free days
When to plant in Henderson: frost dates and zone 9a.
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 | — | Dec 17 to Jan 31 | Sep 29 to Nov 28 |
| Carrot | — | Dec 17 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 5 to Dec 3 | Dec 17 to Jan 14 | Sep 12 to Oct 28 |
| Spinach | — | Dec 3 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.
Henderson planting questions
What planting zone is Henderson, NV?+
Henderson is in USDA hardiness zone 9a. Growing zone, gardening zone, and planting zone all mean the same thing: the USDA number, 9a here. It tells you what survives winter, not when to plant. Frost dates set your planting time, and the free planner uses your exact ZIP code's frost dates, which can differ by weeks across one metro.
When is the last frost date in Henderson?+
The typical last spring frost in Henderson, NV is around Jan 24. That is an average from local history, not a guarantee, so tender crops like tomatoes and peppers are safer with a week of buffer after it.
When is the first frost date in Henderson?+
The typical first fall frost in Henderson, NV arrives around Dec 13, closing a growing season of roughly 323 frost-free days. Count backward from it to find the last date a fall crop can still finish.
What can I plant now in Henderson?+
It depends on the date. Cool-season crops like lettuce, kale, and spinach go out weeks before the last frost; warm-season crops like tomatoes and peppers wait until after Jan 24. The table above shows each crop's window; the free planner turns your ZIP into an exact, dated calendar.