Frost Dates for Pocatello, ID 83204

Pocatello has 4 ZIP codes. The Pocatello, ID frost page lists all of them with their dates.

Last spring frost May 30 · First fall frost September 17 · 110 frost-free days · USDA Zone 6a

ZIP 83204 has about 18,600 people, one of 4 ZIP codes in Pocatello.

Short season: 110 frost-free days. Spring frost risk spans May 10–June 18 (39 days). Fall frost risk spans September 3–October 1 (28 days).

Frost probability for 83204

Frost10%50%90%
Spring (last frost)June 18May 30May 10
Fall (first frost)September 3September 17October 1

Dates come from NOAA 1971–2000 freeze probabilities at FT HALL 1 NNE (29.1 km away); the 50% date is the median year.

Which crops fit a 110-day season in Pocatello

In Pocatello (110 frost-free days, a short season), 30 of 56 planner crops fit outright, 15 get two plantings, 8 need an indoor start, 2 don't reliably mature, 1 crop is perennial.

CropStart indoorsPlant out / sowDays you haveVerdictLast sow date
TomatoApr 25Jun 13–Jun 2068head-start: Even planted out Jun 13, the outdoor season is about 12 days short; choose an early variety or grow under cover.—
PepperApr 18Jun 13–Jun 2068head-start: Even planted out Jun 13, the outdoor season is about 7 days short; choose an early variety or grow under cover.—
LettuceApr 4May 2–May 9145two-plantings: Plant May 2 and again by Jul 27; both mature before Sep 24.Jul 27
Carrots—May 9–May 16152fits: 70 days to maturity, 152 available after May 9.Jul 16
CucumberMay 9Jun 13–Jun 2082fits: 60 days to maturity, 82 available after Jun 13.Jun 21
Beans—Jun 6–Jun 2096fits: 60 days to maturity, 96 available after Jun 6.Jun 28
Peas—Apr 4–Jun 13173fits: 65 days to maturity, 173 available after Apr 4.Jul 7
ZucchiniMay 16Jun 13–Jun 2082fits: 55 days to maturity, 82 available after Jun 13.Jun 26
OnionMar 7May 2–May 16145fits: 100 days to maturity, 145 available after May 2.—
Spinach—Apr 4–May 23187two-plantings: Plant Apr 4 and again by Aug 15; both mature before Oct 8.Aug 15
KaleMar 21May 2–May 16159two-plantings: Plant May 2 and again by Jul 31; both mature before Oct 8.Jul 31
BroccoliApr 4May 2–May 16145fits: 80 days to maturity, 145 available after May 2.Jun 22
CabbageApr 4May 2–May 16159fits: 70 days to maturity, 159 available after May 2.Jul 16
Radish—Apr 4–Jun 27173two-plantings: Plant Apr 4 and again by Aug 16; both mature before Sep 24.Aug 16
Beets—Apr 4–Jun 27173two-plantings: Plant Apr 4 and again by Jul 17; both mature before Sep 24.Jul 17
Potatoes—May 16–May 23131fits: 90 days to maturity, 131 available after May 16.—
Garlic—Sep 17215overwinter: Plant Sep 17 to Oct 8; harvest the following summer.Oct 8
Strawberry—Apr 25–Jun 20166perennial: A perennial: plant Apr 25; it fruits from the following year and keeps producing for several years.—
CornMay 2Jun 6–Jun 1382fits: 75 days to maturity, 82 available after Jun 6.—
PumpkinMay 16Jun 13–Jun 1375no-fit: Needs 100 days; Pocatello has 75 after Jun 13.—
CauliflowerApr 18May 23–Jun 6124fits: 75 days to maturity, 124 available after May 23.Jun 27
Swiss ChardApr 4May 16–May 16131two-plantings: Plant May 16 and again by Jul 17; both mature before Sep 24.Jul 17
Arugula—Apr 4–Jun 27187two-plantings: Plant Apr 4 and again by Aug 15; both mature before Oct 8.Aug 15
Brussel SproutsApr 4May 2–May 16159fits: 100 days to maturity, 159 available after May 2.Jun 16
Butternut SquashMay 16Jun 13–Jun 2075no-fit: Needs 100 days; Pocatello has 75 after Jun 13.—
EggplantApr 11Jun 13–Jun 2068head-start: Even planted out Jun 13, the outdoor season is about 2 days short; choose an early variety or grow under cover.—
OkraMay 2Jun 6–Jun 1389fits: 55 days to maturity, 89 available after Jun 6.Jun 26
BasilApr 25Jun 20–Jun 2075fits: 60 days to maturity, 75 available after Jun 20.Jun 21
Cilantro—May 2–May 23145two-plantings: Plant May 2 and again by Jul 22; both mature before Sep 24.Jul 22
ParsleyMar 21Jun 6–Jun 13110fits: 70 days to maturity, 110 available after Jun 6.Jul 2
CeleryMar 21Jun 6–Jun 20110head-start: Even planted out Jun 6, the outdoor season is about 10 days short; choose an early variety or grow under cover.—
ScallionsMar 21May 2–May 16159two-plantings: Plant May 2 and again by Jul 26; both mature before Oct 8.Jul 26
Turnip—May 2–May 16159two-plantings: Plant May 2 and again by Aug 5; both mature before Oct 8.Aug 5
Kohlrabi—Apr 18–May 2173two-plantings: Plant Apr 18 and again by Jul 31; both mature before Oct 8.Jul 31
Bok ChoyMay 2May 23–May 30124two-plantings: Plant May 23 and again by Jul 27; both mature before Sep 24.Jul 27
CollardsMar 21May 2–May 16159two-plantings: Plant May 2 and again by Jul 26; both mature before Oct 8.Jul 26
CantaloupeMay 16Jun 13–Jun 2068head-start: Even planted out Jun 13, the outdoor season is about 17 days short; choose an early variety or grow under cover.—
ChivesMar 7Jun 6–Jun 13124fits: 90 days to maturity, 124 available after Jun 6.—
Dill—Apr 4–Jun 27173two-plantings: Plant Apr 4 and again by Jul 17; both mature before Sep 24.Jul 17
OreganoMar 21Jun 6–Jun 13124fits: 80 days to maturity, 124 available after Jun 6.—
RosemaryMar 7Jun 6–Jun 13110fits: 80 days to maturity, 110 available after Jun 6.—
SageApr 4Jun 6–Jun 13124fits: 75 days to maturity, 124 available after Jun 6.—
ThymeMar 21Jun 6–Jun 13124fits: 90 days to maturity, 124 available after Jun 6.—
CalendulaApr 18May 16–May 30131two-plantings: Plant May 16 and again by Jul 22; both mature before Sep 24.Jul 22
CosmosMay 2May 30–Jun 1396fits: 60 days to maturity, 96 available after May 30.Jun 21
LavenderMar 7May 30–Jun 13131fits: 90 days to maturity, 131 available after May 30.—
MarigoldsApr 18May 30–Jun 696fits: 50 days to maturity, 96 available after May 30.Jul 1
MelonsMay 16Jun 13–Jun 2068head-start: Even planted out Jun 13, the outdoor season is about 17 days short; choose an early variety or grow under cover.—
Mint—May 30–Jun 13131fits: 90 days to maturity, 131 available after May 30.—
NasturtiumsMay 2May 30–Jun 696fits: 55 days to maturity, 96 available after May 30.Jun 26
Pole Beans—Jun 6–Jun 2089fits: 65 days to maturity, 89 available after Jun 6.Jun 16
Spaghetti SquashMay 16Jun 13–Jun 2075head-start: Even planted out Jun 13, the outdoor season is about 15 days short; choose an early variety or grow under cover.—
Sunflowers—May 30–Jun 1396fits: 70 days to maturity, 96 available after May 30.Jun 11
TomatillosApr 4Jun 6–Jun 1375fits: 75 days to maturity, 75 available after Jun 6.—
WatermelonMay 16Jun 6–Jun 1375head-start: Even planted out Jun 6, the outdoor season is about 5 days short; choose an early variety or grow under cover.—
Yellow SquashMay 16Jun 13–Jun 2082fits: 55 days to maturity, 82 available after Jun 13.Jun 26
ZinniasMay 2May 30–Jun 1396fits: 60 days to maturity, 96 available after May 30.Jun 21

Month by month in Pocatello

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 7), Lavender (Mar 7), Onion (Mar 7), Rosemary (Mar 7), Celery (Mar 21), Collards (Mar 21), +5 more.
AprilStart indoors: Broccoli (Apr 4), Brussel Sprouts (Apr 4), Cabbage (Apr 4), Lettuce (Apr 4), Sage (Apr 4), Swiss Chard (Apr 4), +8 more. Direct sow from: Arugula (Apr 4), Beets (Apr 4), Dill (Apr 4), Peas (Apr 4), Radish (Apr 4), Spinach (Apr 4), +1 more. Plant: Strawberry (Apr 25).
MayStart indoors: Bok Choy (May 2), Corn (May 2), Cosmos (May 2), Nasturtiums (May 2), Okra (May 2), Zinnias (May 2), +9 more. Direct sow from: Cilantro (May 2), Turnip (May 2), Carrots (May 9), Potatoes (May 16), Sunflowers (May 30). Transplant from: Broccoli (May 2), Brussel Sprouts (May 2), Cabbage (May 2), Collards (May 2), Kale (May 2), Lettuce (May 2), +12 more. Last frost around May 30.
JuneDirect sow from: Beans (Jun 6), Pole Beans (Jun 6). Transplant from: Celery (Jun 6), Chives (Jun 6), Corn (Jun 6), Okra (Jun 6), Oregano (Jun 6), Parsley (Jun 6), +17 more. Last sowing dates: Sunflowers (Jun 11), Brussel Sprouts (Jun 16), Pole Beans (Jun 16), Basil (Jun 21), Cosmos (Jun 21), Cucumber (Jun 21), +8 more.
JulyLast sowing dates: Marigolds (Jul 1), Parsley (Jul 2), Peas (Jul 7), Cabbage (Jul 16), Carrots (Jul 16), Beets (Jul 17), +10 more.
AugustLast sowing dates: Turnip (Aug 5), Arugula (Aug 15), Spinach (Aug 15), Radish (Aug 16).
SeptemberDirect sow from: Garlic (Sep 17). First frost around September 17.
OctoberLast sowing dates: Garlic (Oct 8).
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 Pocatello, ID (ZIP 83204)?

The median last spring frost date for Pocatello, ID (ZIP code 83204) is around May 30. 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 10; one in ten it runs past June 18.

What is the first fall frost date in Pocatello, ID?

The median first fall frost date for Pocatello, ID is around September 17. 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 September 3 in the earliest one-in-ten years, so cover tomatoes and peppers from then.

How long is the growing season in Pocatello, ID?

The frost-free growing season in Pocatello is about 110 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 Pocatello (110 frost-free days, a short season), 30 of 56 planner crops fit outright, 15 get two plantings, 8 need an indoor start, 2 don't reliably mature, 1 crop is perennial.

What USDA hardiness zone is Pocatello, ID?

Pocatello, ID 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 Pocatello, ID?

Start tomatoes indoors Apr 25 and plant out Jun 13 in Pocatello. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.

How many plantings of lettuce fit in Pocatello?

Two: plant May 2 and again by Jul 27; both mature before Sep 24.

When do I plant garlic in Pocatello?

Sep 17 to Oct 8; it overwinters and is ready the following summer.

Can I grow Celery in Pocatello?

Yes, with help. Even planted out Jun 6, the outdoor season is about 10 days short; choose an early variety or grow under cover.

Which nearby ZIP has a longer season?

Pocatello (ZIP 83201) has 118 frost-free days, 8 more than Pocatello (ZIP 83204). See Pocatello ZIP 83201 frost dates

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