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

Planting zone for 84736 — Henrieville, UT

ZIP code 84736 (Henrieville, Garfield County) is in USDA zone 6b: the coldest winter night averages −5 to 0 °F. The median last spring frost is May 8 and the first fall frost October 10.

Where ZIP 84736 is

Outlined: the ZIP code area · 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.

Zone6b−5 to 0 °F
Coldest night−20.6 to −17.8 °C
Last frostMay 8
First frostOct 10
2012 zone6b

Same zone as on the 2012 map. The zone is the one at the center of the ZIP code; hilly ZIPs can span two zones. What zone 6b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Henrieville, 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 Henrieville, UT

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMay 8median — 50% chance of a later frost
Safe for tender plantsMay 24only 10% chance of frost after
First fall frostOctober 10median — 10% chance by Sep 26
Growing season155 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 22 and returns around October 20.

From the NOAA station Escalante, UT — 12 miles away, elevation 5,811 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 84736

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 27 – Apr 10
SpinachSow outdoors · Mar 27 – Apr 17
Broccoli, cabbageStart indoors · Feb 27 – Mar 13
Broccoli, cabbageTransplant · Apr 17 – May 1
Onion setsPlant outdoors · Apr 10 – Apr 24
PotatoesPlant outdoors · Apr 17 – May 1
LettuceSow outdoors · Apr 10 – Apr 24
Carrots, beetsSow outdoors · Apr 17 – May 1
TomatoesStart indoors · Mar 13 – Mar 27
TomatoesTransplant · May 15 – May 29
Peppers, eggplantStart indoors · Feb 27 – Mar 13
Peppers, eggplantTransplant · May 22 – Jun 5
BeansSow outdoors · May 15 – May 29
Sweet cornSow outdoors · May 15 – May 29
Cucumbers, squashSow outdoors · May 15 – May 29
Fall lettuce, spinachSow outdoors · Aug 15 – Aug 29
GarlicPlant cloves · Sep 26 – Oct 31
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 8) and first fall frost (Oct 10) 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 84736 came on Mar 11 — 35 days earlier than the 1991–2020 average (Apr 15).

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

Shrubs 107

Wildflowers & perennials 251

Grasses 151

Vines 3

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 Henrieville, UT.

Soil in Henrieville, UT

The center of ZIP 84736 is mapped as No Digital Data Available: built-over ground without natural soil data. Garden soil here is usually imported or disturbed — test before you plant.

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 84736; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Henrieville, UT

Summer high92 °Faverage high, July
Winter low19 °Faverage low, January
Hot days64days a year at 90 °F or more
Freezing nights152nights a year at 32 °F or less
Growing degree days2,971base 50 °F — the season’s usable heat
Longest day14 h 46 mindaylight on June 21
Shortest day9 h 33 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation10.6 inper year, rain and melted snow
Snowfall26 inper year; 26 days with snow on the ground

Average high and low, by month

10°20°30°40°50°60°70°80°90°100°32 °FJanuary: average high 43 °F, low 19 °F 43°19° JanFebruary: average high 48 °F, low 23 °F 48°23° FebMarch: average high 58 °F, low 29 °F 58°29° MarApril: average high 66 °F, low 35 °F 66°35° AprMay: average high 76 °F, low 42 °F 76°42° MayJune: average high 87 °F, low 50 °F 87°50° JunJuly: average high 92 °F, low 57 °F 92°57° JulAugust: average high 89 °F, low 56 °F 89°56° AugSeptember: average high 81 °F, low 47 °F 81°47° SepOctober: average high 68 °F, low 37 °F 68°37° OctNovember: average high 54 °F, low 26 °F 54°26° NovDecember: average high 43 °F, low 19 °F 43°19° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″January: 1.03 in precipitation, 8.9 in snowfall 1.0❄9 JanFebruary: 0.94 in precipitation, 5.8 in snowfall 0.9❄6 FebMarch: 0.75 in precipitation, 2.2 in snowfall 0.8❄2 MarApril: 0.45 in precipitation, 1.4 in snowfall 0.5❄1 AprMay: 0.59 in precipitation 0.6 MayJune: 0.40 in precipitation 0.4 JunJuly: 1.02 in precipitation 1.0 JulAugust: 1.64 in precipitation 1.6 AugSeptember: 1.28 in precipitation 1.3 SepOctober: 1.26 in precipitation, 0.1 in snowfall 1.3 OctNovember: 0.52 in precipitation, 1.9 in snowfall 0.5❄2 NovDecember: 0.68 in precipitation, 5.2 in snowfall 0.7❄5 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Escalante, UT (12 mi away); precipitation: Escalante, UT (12 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

8 of the 8 nearest ZIP codes are in a different zone — elevation and distance from water change winter lows quickly.

Utah planting zones →

Questions about 84736

What planting zone is ZIP code 84736?

ZIP code 84736 (Henrieville, UT) is in USDA hardiness zone 6b on the 2023 map: the coldest night of an average winter reaches −5 to 0 °F (−20.6 to −17.8 °C).

When is the last frost in Henrieville, UT?

The median last spring frost (32 °F) near 84736 is May 8; after May 24 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Escalante station.

When is the first frost in Henrieville, UT?

The median first fall frost near 84736 is October 10, giving a median frost-free growing season of 155 days.

When should I plant tomatoes in 84736?

Start tomato seeds indoors around Mar 13 – Mar 27 and set transplants outside around May 15 – May 29, one to three weeks after the median last frost.

How much rain and snow does 84736 get?

About 10.6 inches of precipitation a year and 26 inches of snowfall (NOAA 1991–2020 normals, Escalante station).

How hot do summers get in Henrieville, UT?

The average high peaks at 92 °F in July, with about 64 days a year at 90 °F or more.

Did spring come early in Henrieville, UT in 2026?

Spring leaf-out near 84736 came on Mar 11 in 2026, 35 days earlier than the 1991–2020 average (Apr 15), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Henrieville, UT?

Intermediate onions: the longest day near 84736 is 14 h 46 min, so day-neutral types bulb best; long-day varieties may not bulb fully.