When to plant in New Kingman-Butler, AZ
USDA Zone 8bEverything below — frost dates, hardiness zone, and what to plant when in New Kingman-Butler, Arizona — is derived from the closest NOAA station with complete climate normals.
In zone 8b, New Kingman-Butler supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.
Frost probability
KINGMAN MOHAVE CO AP · 1991–2020The date the last spring and first fall frost occur, by threshold and probability. A 90% date is later in spring — and earlier in fall — than a 10% date; the 50% · 32°F row is what most gardeners plan around. These are New Kingman-Butler’s own odds, recorded at KINGMAN MOHAVE CO AP.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 9 | Apr 20 | Mar 30 | Oct 14 | Oct 31 | Nov 13 |
| 32°F | Apr 21 | Apr 2 | Mar 8 | Oct 26 | Nov 11 | Nov 24 |
| 28°F | Apr 5 | Mar 6 | Feb 10 | Nov 6 | Nov 22 | Dec 7 |
Download this table as CSV ↓ — every threshold and probability, plus this city’s planting-window dates.
What to plant now
TODAY · JULY 19Full-year planting calendar
Each bar is the exact window to take a planting action in New Kingman-Butler, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
2 within 45 km · complete 32°F normalsWhen stations disagree by more than a few days, that spread is real microclimate variation — elevation, water, urban heat. Judge which station best matches your own yard.
New Kingman-Butler planting FAQ
When is the last spring frost in New Kingman-Butler, AZ?
Plan for the last spring frost in New Kingman-Butler around April 2 (the date it has a 50% chance of a 32°F freeze). Anything frost-sensitive should go out after it.
When is the first fall frost in New Kingman-Butler, AZ?
Expect New Kingman-Butler's first fall frost near November 11 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is New Kingman-Butler in?
New Kingman-Butler is in USDA hardiness zone 8b. In zone 8b, winters are mild — many tender perennials overwinter here.
How long is the growing season in New Kingman-Butler?
New Kingman-Butler has about 223 frost-free days — a long growing season — between the average last spring frost (April 2) and first fall frost (November 11).
When should I plant tomatoes in New Kingman-Butler?
For New Kingman-Butler, sow tomatoes indoors about February 5–February 19 and move the seedlings out around April 9, after the last spring frost.
Never miss a window in New Kingman-Butler
An email when it’s time to start seeds, transplant, and sow — timed to New Kingman-Butler’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Kingman · 5 km
- Bullhead City · 52 km
- Fort Mohave · 59 km
- Lake Havasu City · 89 km
- Boulder City · 104 km
- Henderson · 124 km
- Whitney · 131 km
- Paradise · 137 km
Frost dates recorded at KINGMAN MOHAVE CO AP, 7 km from the city center · 1991–2020 NOAA climate normals · zone from the USDA/PRISM 2023 map. How we compute this.
BlissGarden. "When to Plant in New Kingman-Butler, AZ — Frost Dates & Zone 8b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00093167. Retrieved from https://blissgarden.com/arizona/new-kingman-butler.