When to plant in Bountiful, UT
USDA Zone 6bEverything below — frost dates, hardiness zone, and what to plant when in Bountiful, Utah — is derived from the closest NOAA station with complete climate normals.
Zone 6b means Bountiful sees real winter cold, but a good range of perennials survive; the frost dates above govern when annual vegetables go out.
Frost probability
BOUNTIFUL BENCH · 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 Bountiful’s own odds, recorded at BOUNTIFUL BENCH.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 31 | May 8 | Apr 23 | Sep 30 | Oct 14 | Oct 27 |
| 32°F | May 14 | Apr 25 | Apr 5 | Oct 9 | Oct 24 | Nov 7 |
| 28°F | Apr 28 | Apr 5 | Mar 12 | Oct 20 | Nov 4 | Nov 18 |
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 Bountiful, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 7 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.
Bountiful planting FAQ
When is the last spring frost in Bountiful, UT?
Bountiful's average last spring frost falls near April 25 — the 50% mark at 32°F in the 1991–2020 normals. Hold tender transplants until the risk has passed, then plant out.
When is the first fall frost in Bountiful, UT?
Expect Bountiful's first fall frost near October 24 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Bountiful in?
Bountiful is in USDA hardiness zone 6b. In zone 6b, winters are moderate — most common vegetables grow well in season.
How long is the growing season in Bountiful?
There are roughly 182 frost-free days in Bountiful (a moderate growing season), running from the average last frost around April 25 to the first fall frost near October 24.
When should I plant tomatoes in Bountiful?
In Bountiful, start tomato seeds indoors around February 28–March 14, then transplant seedlings outdoors around May 2 once the danger of frost has passed.
Never miss a window in Bountiful
An email when it’s time to start seeds, transplant, and sow — timed to Bountiful’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Woods Cross · 5 km
- North Salt Lake · 6 km
- Centerville · 6 km
- Salt Lake City · 12 km
- Farmington · 13 km
- Kaysville · 19 km
- South Salt Lake · 19 km
- Millcreek · 21 km
Frost dates recorded at BOUNTIFUL BENCH, 2 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 Bountiful, UT — Frost Dates & Zone 6b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00420819. Retrieved from https://blissgarden.com/utah/bountiful.