Frost Dates for Heber City, UT 84032

Last spring frost June 7 · First fall frost September 14 · 99 frost-free days · USDA Zone 6a

ZIP 84032 has about 26,100 people.

Short season: 99 frost-free days. Spring frost risk spans May 21–June 23 (33 days). Fall frost risk spans August 30–September 28 (29 days).

Frost probability for 84032

Frost10%50%90%
Spring (last frost)June 23June 7May 21
Fall (first frost)August 30September 14September 28

Dates come from NOAA 1971–2000 freeze probabilities at DEER CREEK DAM (29.3 km away); the 50% date is the median year.

Which crops fit a 99-day season in Heber City

In Heber City (99 frost-free days, a short season), 29 of 56 planner crops fit outright, 14 get two plantings, 6 need an indoor start, 6 don't reliably mature, 1 crop is perennial.

CropStart indoorsPlant out / sowDays you haveVerdictLast sow date
TomatoMay 3Jun 21–Jun 2857no-fit: Needs 80 days; Heber City has 57 after Jun 21.—
PepperApr 26Jun 21–Jun 2857head-start: Even planted out Jun 21, the outdoor season is about 18 days short; choose an early variety or grow under cover.—
LettuceApr 12May 10–May 17134two-plantings: Plant May 10 and again by Jul 24; both mature before Sep 21.Jul 24
Carrots—May 17–May 24141fits: 70 days to maturity, 141 available after May 17.Jul 13
CucumberMay 17Jun 21–Jun 2871fits: 60 days to maturity, 71 available after Jun 21.—
Beans—Jun 14–Jun 2885fits: 60 days to maturity, 85 available after Jun 14.Jun 25
Peas—Apr 12–Jun 21162fits: 65 days to maturity, 162 available after Apr 12.Jul 4
ZucchiniMay 24Jun 21–Jun 2871fits: 55 days to maturity, 71 available after Jun 21.Jun 23
OnionMar 15May 10–May 24134fits: 100 days to maturity, 134 available after May 10.—
Spinach—Apr 12–May 31176two-plantings: Plant Apr 12 and again by Aug 12; both mature before Oct 5.Aug 12
KaleMar 29May 10–May 24148two-plantings: Plant May 10 and again by Jul 28; both mature before Oct 5.Jul 28
BroccoliApr 12May 10–May 24134fits: 80 days to maturity, 134 available after May 10.Jun 19
CabbageApr 12May 10–May 24148fits: 70 days to maturity, 148 available after May 10.Jul 13
Radish—Apr 12–Jul 5162two-plantings: Plant Apr 12 and again by Aug 13; both mature before Sep 21.Aug 13
Beets—Apr 12–Jul 5162two-plantings: Plant Apr 12 and again by Jul 14; both mature before Sep 21.Jul 14
Potatoes—May 24–May 31120fits: 90 days to maturity, 120 available after May 24.—
Garlic—Sep 14204overwinter: Plant Sep 14 to Oct 5; harvest the following summer.Oct 5
Strawberry—May 3–Jun 28155perennial: A perennial: plant May 3; it fruits from the following year and keeps producing for several years.—
CornMay 10Jun 14–Jun 2171head-start: Even planted out Jun 14, the outdoor season is about 4 days short; choose an early variety or grow under cover.—
PumpkinMay 24Jun 21–Jun 2164no-fit: Needs 100 days; Heber City has 64 after Jun 21.—
CauliflowerApr 26May 31–Jun 14113fits: 75 days to maturity, 113 available after May 31.Jun 24
Swiss ChardApr 12May 24–May 24120fits: 55 days to maturity, 120 available after May 24.Jul 14
Arugula—Apr 12–Jul 5176two-plantings: Plant Apr 12 and again by Aug 12; both mature before Oct 5.Aug 12
Brussel SproutsApr 12May 10–May 24148fits: 100 days to maturity, 148 available after May 10.Jun 13
Butternut SquashMay 24Jun 21–Jun 2864no-fit: Needs 100 days; Heber City has 64 after Jun 21.—
EggplantApr 19Jun 21–Jun 2857head-start: Even planted out Jun 21, the outdoor season is about 13 days short; choose an early variety or grow under cover.—
OkraMay 10Jun 14–Jun 2178fits: 55 days to maturity, 78 available after Jun 14.Jun 23
BasilMay 3Jun 28–Jun 2864fits: 60 days to maturity, 64 available after Jun 28.—
Cilantro—May 10–May 31134two-plantings: Plant May 10 and again by Jul 19; both mature before Sep 21.Jul 19
ParsleyMar 29Jun 14–Jun 2199fits: 70 days to maturity, 99 available after Jun 14.Jun 29
CeleryMar 29Jun 14–Jun 2899head-start: Even planted out Jun 14, the outdoor season is about 21 days short; choose an early variety or grow under cover.—
ScallionsMar 29May 10–May 24148two-plantings: Plant May 10 and again by Jul 23; both mature before Oct 5.Jul 23
Turnip—May 10–May 24148two-plantings: Plant May 10 and again by Aug 2; both mature before Oct 5.Aug 2
Kohlrabi—Apr 26–May 10162two-plantings: Plant Apr 26 and again by Jul 28; both mature before Oct 5.Jul 28
Bok ChoyMay 10May 31–Jun 7113two-plantings: Plant May 31 and again by Jul 24; both mature before Sep 21.Jul 24
CollardsMar 29May 10–May 24148two-plantings: Plant May 10 and again by Jul 23; both mature before Oct 5.Jul 23
CantaloupeMay 24Jun 21–Jun 2857no-fit: Needs 85 days; Heber City has 57 after Jun 21.—
ChivesMar 15Jun 14–Jun 21113fits: 90 days to maturity, 113 available after Jun 14.—
Dill—Apr 12–Jul 5162two-plantings: Plant Apr 12 and again by Jul 14; both mature before Sep 21.Jul 14
OreganoMar 29Jun 14–Jun 21113fits: 80 days to maturity, 113 available after Jun 14.—
RosemaryMar 15Jun 14–Jun 2199fits: 80 days to maturity, 99 available after Jun 14.—
SageApr 12Jun 14–Jun 21113fits: 75 days to maturity, 113 available after Jun 14.—
ThymeMar 29Jun 14–Jun 21113fits: 90 days to maturity, 113 available after Jun 14.—
CalendulaApr 26May 24–Jun 7120two-plantings: Plant May 24 and again by Jul 19; both mature before Sep 21.Jul 19
CosmosMay 10Jun 7–Jun 2185fits: 60 days to maturity, 85 available after Jun 7.Jun 18
LavenderMar 15Jun 7–Jun 21120fits: 90 days to maturity, 120 available after Jun 7.—
MarigoldsApr 26Jun 7–Jun 1485fits: 50 days to maturity, 85 available after Jun 7.Jun 28
MelonsMay 24Jun 21–Jun 2857no-fit: Needs 85 days; Heber City has 57 after Jun 21.—
Mint—Jun 7–Jun 21120fits: 90 days to maturity, 120 available after Jun 7.—
NasturtiumsMay 10Jun 7–Jun 1485fits: 55 days to maturity, 85 available after Jun 7.Jun 23
Pole Beans—Jun 14–Jun 2878fits: 65 days to maturity, 78 available after Jun 14.—
Spaghetti SquashMay 24Jun 21–Jun 2864no-fit: Needs 90 days; Heber City has 64 after Jun 21.—
Sunflowers—Jun 7–Jun 2185fits: 70 days to maturity, 85 available after Jun 7.Jun 8
TomatillosApr 12Jun 14–Jun 2164head-start: Even planted out Jun 14, the outdoor season is about 11 days short; choose an early variety or grow under cover.—
WatermelonMay 24Jun 14–Jun 2164head-start: Even planted out Jun 14, the outdoor season is about 16 days short; choose an early variety or grow under cover.—
Yellow SquashMay 24Jun 21–Jun 2871fits: 55 days to maturity, 71 available after Jun 21.Jun 23
ZinniasMay 10Jun 7–Jun 2185fits: 60 days to maturity, 85 available after Jun 7.Jun 18

Month by month in Heber City

MonthWhat to do
JanuaryPlan your garden layout and order seeds. Research varieties suited to your frost dates.
FebruaryStart the slowest-growing crops indoors: onions, leeks, and celery (10–12 weeks before last frost).
MarchStart indoors: Chives (Mar 15), Lavender (Mar 15), Onion (Mar 15), Rosemary (Mar 15), Celery (Mar 29), Collards (Mar 29), +5 more.
AprilStart indoors: Broccoli (Apr 12), Brussel Sprouts (Apr 12), Cabbage (Apr 12), Lettuce (Apr 12), Sage (Apr 12), Swiss Chard (Apr 12), +6 more. Direct sow from: Arugula (Apr 12), Beets (Apr 12), Dill (Apr 12), Peas (Apr 12), Radish (Apr 12), Spinach (Apr 12), +1 more.
MayStart indoors: Basil (May 3), Tomato (May 3), Bok Choy (May 10), Corn (May 10), Cosmos (May 10), Nasturtiums (May 10), +11 more. Direct sow from: Cilantro (May 10), Turnip (May 10), Carrots (May 17), Potatoes (May 24). Transplant from: Broccoli (May 10), Brussel Sprouts (May 10), Cabbage (May 10), Collards (May 10), Kale (May 10), Lettuce (May 10), +6 more. Plant: Strawberry (May 3).
JuneDirect sow from: Sunflowers (Jun 7), Beans (Jun 14), Pole Beans (Jun 14). Transplant from: Cosmos (Jun 7), Lavender (Jun 7), Marigolds (Jun 7), Mint (Jun 7), Nasturtiums (Jun 7), Zinnias (Jun 7), +23 more. Last frost around June 7. Last sowing dates: Sunflowers (Jun 8), Brussel Sprouts (Jun 13), Cosmos (Jun 18), Zinnias (Jun 18), Broccoli (Jun 19), Nasturtiums (Jun 23), +7 more.
JulyLast sowing dates: Peas (Jul 4), Cabbage (Jul 13), Carrots (Jul 13), Beets (Jul 14), Dill (Jul 14), Swiss Chard (Jul 14), +8 more.
AugustLast sowing dates: Turnip (Aug 2), Arugula (Aug 12), Spinach (Aug 12), Radish (Aug 13).
SeptemberDirect sow from: Garlic (Sep 14). First frost around September 14.
OctoberLast sowing dates: Garlic (Oct 5).
NovemberClean up spent plants. Add compost to beds. Rest, review, and plan next year's garden.
DecemberClean up spent plants. Add compost to beds. Rest, review, and plan next year's garden.

Frequently Asked Questions

What is the last frost date for Heber City, UT (ZIP 84032)?

The median last spring frost date for Heber City, UT (ZIP code 84032) is around June 7. This is the 50th-percentile date — meaning half of all years see frost end before this date. Use the 10% and 90% dates to understand the full range of risk in your area. One year in ten frost ends before May 21; one in ten it runs past June 23.

What is the first fall frost date in Heber City, UT?

The median first fall frost date for Heber City, UT is around September 14. Plan to harvest or protect frost-sensitive crops like tomatoes and peppers at least a week before this date to avoid losses. The first frost arrives around August 30 in the earliest one-in-ten years, so cover tomatoes and peppers from then.

How long is the growing season in Heber City, UT?

The frost-free growing season in Heber City is about 99 days. This window — from your last spring frost to your first fall frost — is when warm-season vegetables thrive. Cold-hardy crops like kale, spinach, and peas can extend your season by weeks on either side. In Heber City (99 frost-free days, a short season), 29 of 56 planner crops fit outright, 14 get two plantings, 6 need an indoor start, 6 don't reliably mature, 1 crop is perennial.

What USDA hardiness zone is Heber City, UT?

Heber City, UT is in USDA hardiness zone 6a (2023 USDA Plant Hardiness Zone Map). Zones come from the average coldest winter temperature, so they tell you which perennials survive the winter; the frost dates on this page tell you when to plant.

When should I start tomatoes indoors in Heber City, UT?

Start tomatoes indoors May 3 and plant out Jun 21 in Heber City. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.

How many plantings of lettuce fit in Heber City?

Two: plant May 10 and again by Jul 24; both mature before Sep 21.

When do I plant garlic in Heber City?

Sep 14 to Oct 5; it overwinters and is ready the following summer.

Can I grow Celery in Heber City?

Yes, with help. Even planted out Jun 14, the outdoor season is about 21 days short; choose an early variety or grow under cover.

Which nearby ZIP has a longer season?

Springville (ZIP 84663) has 166 frost-free days, 67 more than Heber City (ZIP 84032). See Springville ZIP 84663 frost dates

Nearby and related