Data: 2023 USDA zones (PRISM/OSU) · NOAA 1991–2020 normals · updated

Planting zone for Provo, UT

Provo, UT is in USDA zones 6b to 7a across its 5 ZIP codes. The median last spring frost is April 18 and the first fall frost October 21.

Provo on the zone map

Outlined: its 3 ZIP code areas · tap the map for the zone at any spot · scroll or pinch to zoom

Not the official USDA Plant Hardiness Zone Map. Zones come from the 2023 USDA hardiness-zone data by the PRISM Group, Oregon State University; we re-mapped and recolored them. The official map is at planthardiness.ars.usda.gov.

Zones6b–7a−5 to 5 °F
ZIP codes5
Last frostApr 18
First frostOct 21
Growing season185 days

6b 1 ZIP   7a 4 ZIPs

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Provo, UT…

Forecast data: National Weather Service (api.weather.gov), public domain. This is not a warning service — for official frost and freeze warnings see weather.gov.

Frost dates in Provo, UT

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 18median — 50% chance of a later frost
Safe for tender plantsMay 5only 10% chance of frost after
First fall frostOctober 21median — 10% chance by Oct 7
Growing season185 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 31 and returns around November 1.

From the NOAA station Provo Byu, UT, elevation 4,570 ft. NOAA NCEI U.S. Climate Normals 1991–2020, 32 °F threshold. Low spots and valleys can freeze later in spring than the station.

When to plant vegetables in Provo

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 7 – Mar 21
SpinachSow outdoors · Mar 7 – Mar 28
Broccoli, cabbageStart indoors · Feb 7 – Feb 21
Broccoli, cabbageTransplant · Mar 28 – Apr 11
Onion setsPlant outdoors · Mar 21 – Apr 4
PotatoesPlant outdoors · Mar 28 – Apr 11
LettuceSow outdoors · Mar 21 – Apr 4
Carrots, beetsSow outdoors · Mar 28 – Apr 11
TomatoesStart indoors · Feb 21 – Mar 7
TomatoesTransplant · Apr 25 – May 9
Peppers, eggplantStart indoors · Feb 7 – Feb 21
Peppers, eggplantTransplant · May 2 – May 16
BeansSow outdoors · Apr 25 – May 9
Sweet cornSow outdoors · Apr 25 – May 9
Cucumbers, squashSow outdoors · Apr 25 – May 9
Fall lettuce, spinachSow outdoors · Aug 26 – Sep 9
GarlicPlant cloves · Oct 7 – Nov 11
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 18) and first fall frost (Oct 21) with the rules of thumb U.S. extension services publish. Cool-season crops take a light frost; warm-season crops do best once the soil is above about 60 °F.

When spring arrived in 2026

In 2026, spring leaf-out near 84606 came on Mar 7 — 22 days earlier than the 1991–2020 average (Mar 29).

JanFebMarAprMayJun

The Spring Index marks the day when accumulated warmth is enough for lilac and honeysuckle to leaf out — a widely used signal that the growing season has started. Source: USA National Phenology Network, www.usanpn.org — Spring Indices, first leaf, 2026 (data as of 2026-09-08) and 30-year average 1991–2020 (CC BY 4.0).

Native plants for zone 6b in Utah

549 plants native to the lower 48 states, recorded in Utah, and rated by the USDA to survive −5 °F or colder — the bottom of zone 6b. Each links to its USDA PLANTS profile.

Trees 30

American beech80 ft · blooms mid spring · low shade tolerance · to −44 °FArizona cypress50 ft · blooms spring · low shade tolerance · to −23 °FArizona walnut50 ft · blooms late spring · high shade tolerance · to −33 °Fbalsam poplar80 ft · blooms late spring · high shade tolerance · to −79 °Fblack locust60 ft · blooms spring · high shade tolerance · to −37 °Fblack walnut100 ft · blooms late spring · high shade tolerance · to −28 °F

Shrubs 107

alderleaf buckthorn3 ft · blooms late spring · low shade tolerance · to −33 °Falderleaf mountain mahogany15 ft · blooms late spring · medium shade tolerance · to −41 °Falpine laurel1 ft · blooms late spring · low shade tolerance · to −28 °FAmerican plum24 ft · blooms mid spring · high shade tolerance · to −38 °Fantelope bitterbrush6 ft · blooms early spring · medium shade tolerance · to −36 °FApache plume6 ft · blooms late spring · high shade tolerance · to −23 °F

Wildflowers & perennials 251

alkali buttercup1 ft · blooms late spring · low shade tolerance · to −38 °Falpine bistort1 ft · blooms mid spring · high shade tolerance · to −38 °Falpine mountainsorrel1 ft · blooms mid summer · medium shade tolerance · to −43 °FAmerican alpine speedwell1 ft · blooms summer · medium shade tolerance · to −28 °FAmerican bistort1.5 ft · blooms mid spring · high shade tolerance · to −38 °FAmerican licorice4 ft · blooms late spring · medium shade tolerance · to −38 °F

Grasses 151

alkali cordgrass3 ft · blooms late summer · high shade tolerance · to −38 °Falkali sacaton3 ft · blooms mid summer · high shade tolerance · to −38 °FAlpine Meadow-Foxtail0.5 ft · blooms mid spring · medium shade tolerance · to −33 °Falpine timothy1.4 ft · blooms late spring · medium shade tolerance · to −43 °Fanalogue sedge1.5 ft · blooms late spring · medium shade tolerance · to −38 °Farctic bluegrass2 ft · high shade tolerance · to −62 °F

Vines 3

trumpet creeper2 ft · blooms summer · high shade tolerance · to −13 °FVirginia creeper1 ft · blooms late spring · medium shade tolerance · to −28 °Fwestern white clematis1 ft · blooms mid summer · medium shade tolerance · to −38 °F

Source: USDA, NRCS. 2026. The PLANTS Database (plants.usda.gov), National Plant Data Team — state distribution, native status and the “Temperature, Minimum” characteristic. Check light, moisture and soil needs before buying; local nurseries and your state native plant society can confirm what thrives in Provo, UT.

Soil in Provo, UT

The soil mapped at the center of ZIP 84606 is Pleasant Grove — stony loam, well drained.

TextureStony loama good balance for most vegetables
pH7.6slightly alkaline; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter6%high
Hydrologic groupBwater soaks in moderately
Farmland classFarmland of unique importanceUSDA classification

Map unit: Pleasant Grove stony loam, 10 to 25 percent slopes, eroded.

Soil Survey Staff, Natural Resources Conservation Service, USDA. Soil Survey Geographic (SSURGO) Database, via Soil Data Access, accessed 2026-10-29. The soil at the center point of ZIP 84606; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Provo, UT

Summer high95 °Faverage high, July
Winter low24 °Faverage low, January
Hot days74days a year at 90 °F or more
Freezing nights111nights a year at 32 °F or less
Growing degree days3,665base 50 °F — the season’s usable heat
Longest day15 h 02 mindaylight on June 21
Shortest day9 h 18 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation17.2 inper year, rain and melted snow
Snowfall45 inper year; 41 days with snow on the ground

Average high and low, by month

10°20°30°40°50°60°70°80°90°100°110°32 °FJanuary: average high 41 °F, low 24 °F 41°24° JanFebruary: average high 48 °F, low 28 °F 48°28° FebMarch: average high 58 °F, low 35 °F 58°35° MarApril: average high 66 °F, low 40 °F 66°40° AprMay: average high 76 °F, low 47 °F 76°47° MayJune: average high 87 °F, low 55 °F 87°55° JunJuly: average high 95 °F, low 62 °F 95°62° JulAugust: average high 93 °F, low 61 °F 93°61° AugSeptember: average high 83 °F, low 52 °F 83°52° SepOctober: average high 69 °F, low 41 °F 69°41° OctNovember: average high 53 °F, low 32 °F 53°32° NovDecember: average high 41 °F, low 24 °F 41°24° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″January: 1.95 in precipitation, 12.5 in snowfall 1.9❄13 JanFebruary: 1.56 in precipitation, 8.7 in snowfall 1.6❄9 FebMarch: 1.55 in precipitation, 4 in snowfall 1.6❄4 MarApril: 1.92 in precipitation, 3.1 in snowfall 1.9❄3 AprMay: 2.01 in precipitation, 0.2 in snowfall 2.0 MayJune: 0.93 in precipitation 0.9 JunJuly: 0.51 in precipitation 0.5 JulAugust: 0.73 in precipitation 0.7 AugSeptember: 1.24 in precipitation 1.2 SepOctober: 1.59 in precipitation, 0.6 in snowfall 1.6❄1 OctNovember: 1.39 in precipitation, 4.6 in snowfall 1.4❄5 NovDecember: 1.81 in precipitation, 11.2 in snowfall 1.8❄11 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Provo Byu, UT (2 mi away); precipitation: Provo Byu, UT (2 mi away). Daylight is calculated from latitude.

ZIP codes in Provo

846017a
0 to 5 °F
846037a
0 to 5 °F
846046b
−5 to 0 °F
846057a
0 to 5 °F
846067a
0 to 5 °F

Utah planting zones →

Questions about Provo

What planting zone is Provo, UT?

Provo, UT is in USDA hardiness zones 6b to 7a on the 2023 map (6b: −5 to 0 °F; 7a: 0 to 5 °F).

When is the last frost in Provo, UT?

The median last spring frost is April 18 and the median first fall frost is October 21 (NOAA 1991–2020 normals, Provo Byu station).

When can I plant a garden in Provo, UT?

Cool-season crops like peas and spinach go in around Mar 7 – Mar 28; tomatoes, peppers, beans and squash after about Apr 25, once frost risk has passed.

What kind of onions grow in Provo, UT?

Long-day onions: the longest day is 15 h 02 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

How much rain and snow does Provo, UT get?

About 17.2 inches of precipitation a year and 45 inches of snowfall (NOAA 1991–2020 normals).