When to plant in North Platte, NE
USDA Zone 5bEverything below — frost dates, hardiness zone, and what to plant when in North Platte, Nebraska — is derived from the closest NOAA station with complete climate normals.
In zone 5b, North Platte gardeners can grow many hardy perennials, while the last and first frost still dictate the annual vegetable calendar.
Frost probability
NORTH PLATTE RGNL 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 North Platte’s own odds, recorded at NORTH PLATTE RGNL AP.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Jun 4 | May 20 | May 8 | Sep 8 | Sep 22 | Oct 4 |
| 32°F | May 26 | May 11 | Apr 30 | Sep 16 | Oct 1 | Oct 13 |
| 28°F | May 14 | May 2 | Apr 18 | Sep 25 | Oct 10 | Oct 22 |
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 North Platte, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 19 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.
North Platte planting FAQ
When is the last spring frost in North Platte, NE?
On average, the last spring frost in North Platte is around May 11 (50% probability at 32°F, from 1991–2020 NOAA normals). Wait until after this date to set out tender plants like tomatoes and peppers.
When is the first fall frost in North Platte, NE?
In North Platte, the first 32°F freeze of fall lands around October 1 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is North Platte in?
North Platte is in USDA hardiness zone 5b. In zone 5b, winters are cold — pick cold-hardy varieties and protect tender crops.
How long is the growing season in North Platte?
North Platte has about 143 frost-free days — a short growing season — between the average last spring frost (May 11) and first fall frost (October 1).
When should I plant tomatoes in North Platte?
For North Platte, sow tomatoes indoors about March 16–March 30 and move the seedlings out around May 18, after the last spring frost.
Never miss a window in North Platte
An email when it’s time to start seeds, transplant, and sow — timed to North Platte’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Lexington · 93 km
- Kearney · 148 km
- Grand Island · 202 km
- Hastings · 207 km
- Sterling · 213 km
- Scottsbluff · 256 km
- Fort Morgan · 274 km
- Hays · 277 km
Frost dates recorded at NORTH PLATTE RGNL 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 North Platte, NE — Frost Dates & Zone 5b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00024023. Retrieved from https://blissgarden.com/nebraska/north-platte.