When to plant in Spanish Fork, UT
USDA Zone 7aSpanish Fork, Utah frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.
In zone 7a, Spanish Fork supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.
Frost probability
SPANISH FK PWR HOUSE · 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 Spanish Fork’s own odds, recorded at SPANISH FK PWR HOUSE.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 31 | May 11 | Apr 26 | Sep 22 | Oct 6 | Oct 20 |
| 32°F | May 13 | Apr 25 | Apr 10 | Oct 4 | Oct 18 | Nov 1 |
| 28°F | Apr 25 | Apr 9 | Mar 20 | Oct 14 | Oct 30 | Nov 13 |
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 Spanish Fork, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 20 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.
Spanish Fork planting FAQ
When is the last spring frost in Spanish Fork, UT?
Plan for the last spring frost in Spanish Fork around April 25 (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 Spanish Fork, UT?
Expect Spanish Fork's first fall frost near October 18 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Spanish Fork in?
Spanish Fork is in USDA hardiness zone 7a. In zone 7a, winters are moderate — most common vegetables grow well in season.
How long is the growing season in Spanish Fork?
Spanish Fork has about 176 frost-free days — a moderate growing season — between the average last spring frost (April 25) and first fall frost (October 18).
When should I plant tomatoes in Spanish Fork?
For Spanish Fork, sow tomatoes indoors about February 28–March 14 and move the seedlings out around May 2, after the last spring frost.
Never miss a window in Spanish Fork
An email when it’s time to start seeds, transplant, and sow — timed to Spanish Fork’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reachFrost dates recorded at SPANISH FK PWR HOUSE, 5 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 Spanish Fork, UT — Frost Dates & Zone 7a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00428119. Retrieved from https://blissgarden.com/utah/spanish-fork.