Frost Dates for Pocatello, ID 83201
Last spring frost May 23 · First fall frost September 18 · 118 frost-free days · USDA Zone 6b
ZIP 83201 has about 39,900 people, the largest of 4 ZIP codes in Pocatello.
Short season: 118 frost-free days. Spring frost risk spans May 3–June 11 (39 days). Fall frost risk spans September 4–October 1 (27 days).
Frost probability for 83201
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | June 11 | May 23 | May 3 |
| Fall (first frost) | September 4 | September 18 | October 1 |
Dates come from NOAA 1971–2000 freeze probabilities at POCATELLO RGNL AP (15.8 km away); the 50% date is the median year.
Frost dates by ZIP code in Pocatello, ID
| ZIP | Last spring frost (50%) | First fall frost (50%) | Zone |
|---|---|---|---|
| 83201 | May 23 | September 18 | 6b |
| 83202 | May 28 | September 18 | 6a |
| 83204 | May 30 | September 17 | 6a |
| 83209 | May 23 | September 18 | 6a |
Which crops fit a 118-day season in Pocatello
In Pocatello (118 frost-free days, a short season), 33 of 56 planner crops fit outright, 15 get two plantings, 7 need an indoor start, 1 crop is perennial.
| Crop | Start indoors | Plant out / sow | Days you have | Verdict | Last sow date |
|---|---|---|---|---|---|
| Tomato | Apr 18 | Jun 6–Jun 13 | 76 | head-start: Even planted out Jun 6, the outdoor season is about 4 days short; choose an early variety or grow under cover. | — |
| Pepper | Apr 11 | Jun 6–Jun 13 | 76 | fits: 75 days to maturity, 76 available after Jun 6. | — |
| Lettuce | Mar 28 | Apr 25–May 2 | 153 | two-plantings: Plant Apr 25 and again by Jul 28; both mature before Sep 25. | Jul 28 |
| Carrots | — | May 2–May 9 | 160 | fits: 70 days to maturity, 160 available after May 2. | Jul 17 |
| Cucumber | May 2 | Jun 6–Jun 13 | 90 | fits: 60 days to maturity, 90 available after Jun 6. | Jun 22 |
| Beans | — | May 30–Jun 13 | 104 | fits: 60 days to maturity, 104 available after May 30. | Jun 29 |
| Peas | — | Mar 28–Jun 6 | 181 | fits: 65 days to maturity, 181 available after Mar 28. | Jul 8 |
| Zucchini | May 9 | Jun 6–Jun 13 | 90 | fits: 55 days to maturity, 90 available after Jun 6. | Jun 27 |
| Onion | Feb 28 | Apr 25–May 9 | 153 | fits: 100 days to maturity, 153 available after Apr 25. | — |
| Spinach | — | Mar 28–May 16 | 195 | two-plantings: Plant Mar 28 and again by Aug 16; both mature before Oct 9. | Aug 16 |
| Kale | Mar 14 | Apr 25–May 9 | 167 | two-plantings: Plant Apr 25 and again by Aug 1; both mature before Oct 9. | Aug 1 |
| Broccoli | Mar 28 | Apr 25–May 9 | 153 | fits: 80 days to maturity, 153 available after Apr 25. | Jun 23 |
| Cabbage | Mar 28 | Apr 25–May 9 | 167 | fits: 70 days to maturity, 167 available after Apr 25. | Jul 17 |
| Radish | — | Mar 28–Jun 20 | 181 | two-plantings: Plant Mar 28 and again by Aug 17; both mature before Sep 25. | Aug 17 |
| Beets | — | Mar 28–Jun 20 | 181 | two-plantings: Plant Mar 28 and again by Jul 18; both mature before Sep 25. | Jul 18 |
| Potatoes | — | May 9–May 16 | 139 | fits: 90 days to maturity, 139 available after May 9. | — |
| Garlic | — | Sep 18 | 223 | overwinter: Plant Sep 18 to Oct 9; harvest the following summer. | Oct 9 |
| Strawberry | — | Apr 18–Jun 13 | 174 | perennial: A perennial: plant Apr 18; it fruits from the following year and keeps producing for several years. | — |
| Corn | Apr 25 | May 30–Jun 6 | 90 | fits: 75 days to maturity, 90 available after May 30. | May 31 |
| Pumpkin | May 9 | Jun 6–Jun 6 | 83 | head-start: Even planted out Jun 6, the outdoor season is about 17 days short; choose an early variety or grow under cover. | — |
| Cauliflower | Apr 11 | May 16–May 30 | 132 | fits: 75 days to maturity, 132 available after May 16. | Jun 28 |
| Swiss Chard | Mar 28 | May 9–May 9 | 139 | two-plantings: Plant May 9 and again by Jul 18; both mature before Sep 25. | Jul 18 |
| Arugula | — | Mar 28–Jun 20 | 195 | two-plantings: Plant Mar 28 and again by Aug 16; both mature before Oct 9. | Aug 16 |
| Brussel Sprouts | Mar 28 | Apr 25–May 9 | 167 | fits: 100 days to maturity, 167 available after Apr 25. | Jun 17 |
| Butternut Squash | May 9 | Jun 6–Jun 13 | 83 | head-start: Even planted out Jun 6, the outdoor season is about 17 days short; choose an early variety or grow under cover. | — |
| Eggplant | Apr 4 | Jun 6–Jun 13 | 76 | fits: 70 days to maturity, 76 available after Jun 6. | — |
| Okra | Apr 25 | May 30–Jun 6 | 97 | fits: 55 days to maturity, 97 available after May 30. | Jun 27 |
| Basil | Apr 18 | Jun 13–Jun 13 | 83 | fits: 60 days to maturity, 83 available after Jun 13. | Jun 22 |
| Cilantro | — | Apr 25–May 16 | 153 | two-plantings: Plant Apr 25 and again by Jul 23; both mature before Sep 25. | Jul 23 |
| Parsley | Mar 14 | May 30–Jun 6 | 118 | fits: 70 days to maturity, 118 available after May 30. | Jul 3 |
| Celery | Mar 14 | May 30–Jun 13 | 118 | head-start: Even planted out May 30, the outdoor season is about 2 days short; choose an early variety or grow under cover. | — |
| Scallions | Mar 14 | Apr 25–May 9 | 167 | two-plantings: Plant Apr 25 and again by Jul 27; both mature before Oct 9. | Jul 27 |
| Turnip | — | Apr 25–May 9 | 167 | two-plantings: Plant Apr 25 and again by Aug 6; both mature before Oct 9. | Aug 6 |
| Kohlrabi | — | Apr 11–Apr 25 | 181 | two-plantings: Plant Apr 11 and again by Aug 1; both mature before Oct 9. | Aug 1 |
| Bok Choy | Apr 25 | May 16–May 23 | 132 | two-plantings: Plant May 16 and again by Jul 28; both mature before Sep 25. | Jul 28 |
| Collards | Mar 14 | Apr 25–May 9 | 167 | two-plantings: Plant Apr 25 and again by Jul 27; both mature before Oct 9. | Jul 27 |
| Cantaloupe | May 9 | Jun 6–Jun 13 | 76 | head-start: Even planted out Jun 6, the outdoor season is about 9 days short; choose an early variety or grow under cover. | — |
| Chives | Feb 28 | May 30–Jun 6 | 132 | fits: 90 days to maturity, 132 available after May 30. | — |
| Dill | — | Mar 28–Jun 20 | 181 | two-plantings: Plant Mar 28 and again by Jul 18; both mature before Sep 25. | Jul 18 |
| Oregano | Mar 14 | May 30–Jun 6 | 132 | fits: 80 days to maturity, 132 available after May 30. | — |
| Rosemary | Feb 28 | May 30–Jun 6 | 118 | fits: 80 days to maturity, 118 available after May 30. | — |
| Sage | Mar 28 | May 30–Jun 6 | 132 | fits: 75 days to maturity, 132 available after May 30. | — |
| Thyme | Mar 14 | May 30–Jun 6 | 132 | fits: 90 days to maturity, 132 available after May 30. | — |
| Calendula | Apr 11 | May 9–May 23 | 139 | two-plantings: Plant May 9 and again by Jul 23; both mature before Sep 25. | Jul 23 |
| Cosmos | Apr 25 | May 23–Jun 6 | 104 | fits: 60 days to maturity, 104 available after May 23. | Jun 22 |
| Lavender | Feb 28 | May 23–Jun 6 | 139 | fits: 90 days to maturity, 139 available after May 23. | — |
| Marigolds | Apr 11 | May 23–May 30 | 104 | fits: 50 days to maturity, 104 available after May 23. | Jul 2 |
| Melons | May 9 | Jun 6–Jun 13 | 76 | head-start: Even planted out Jun 6, the outdoor season is about 9 days short; choose an early variety or grow under cover. | — |
| Mint | — | May 23–Jun 6 | 139 | fits: 90 days to maturity, 139 available after May 23. | — |
| Nasturtiums | Apr 25 | May 23–May 30 | 104 | fits: 55 days to maturity, 104 available after May 23. | Jun 27 |
| Pole Beans | — | May 30–Jun 13 | 97 | fits: 65 days to maturity, 97 available after May 30. | Jun 17 |
| Spaghetti Squash | May 9 | Jun 6–Jun 13 | 83 | head-start: Even planted out Jun 6, the outdoor season is about 7 days short; choose an early variety or grow under cover. | — |
| Sunflowers | — | May 23–Jun 6 | 104 | fits: 70 days to maturity, 104 available after May 23. | Jun 12 |
| Tomatillos | Mar 28 | May 30–Jun 6 | 83 | fits: 75 days to maturity, 83 available after May 30. | — |
| Watermelon | May 9 | May 30–Jun 6 | 83 | fits: 80 days to maturity, 83 available after May 30. | — |
| Yellow Squash | May 9 | Jun 6–Jun 13 | 90 | fits: 55 days to maturity, 90 available after Jun 6. | Jun 27 |
| Zinnias | Apr 25 | May 23–Jun 6 | 104 | fits: 60 days to maturity, 104 available after May 23. | Jun 22 |
Month by month in Pocatello
| Month | What to do |
|---|---|
| January | Plan your garden layout and order seeds. Research varieties suited to your frost dates. |
| February | Start indoors: Chives (Feb 28), Lavender (Feb 28), Onion (Feb 28), Rosemary (Feb 28). |
| March | Start indoors: Celery (Mar 14), Collards (Mar 14), Kale (Mar 14), Oregano (Mar 14), Parsley (Mar 14), Scallions (Mar 14), +8 more. Direct sow from: Arugula (Mar 28), Beets (Mar 28), Dill (Mar 28), Peas (Mar 28), Radish (Mar 28), Spinach (Mar 28). |
| April | Start indoors: Eggplant (Apr 4), Calendula (Apr 11), Cauliflower (Apr 11), Marigolds (Apr 11), Pepper (Apr 11), Basil (Apr 18), +7 more. Direct sow from: Kohlrabi (Apr 11), Cilantro (Apr 25), Turnip (Apr 25). Transplant from: Broccoli (Apr 25), Brussel Sprouts (Apr 25), Cabbage (Apr 25), Collards (Apr 25), Kale (Apr 25), Lettuce (Apr 25), +2 more. Plant: Strawberry (Apr 18). |
| May | Start indoors: Cucumber (May 2), Butternut Squash (May 9), Cantaloupe (May 9), Melons (May 9), Pumpkin (May 9), Spaghetti Squash (May 9), +3 more. Direct sow from: Carrots (May 2), Potatoes (May 9), Sunflowers (May 23), Beans (May 30), Pole Beans (May 30). Transplant from: Calendula (May 9), Swiss Chard (May 9), Bok Choy (May 16), Cauliflower (May 16), Cosmos (May 23), Lavender (May 23), +15 more. Last frost around May 23. Last sowing dates: Corn (May 31). |
| June | Transplant from: Butternut Squash (Jun 6), Cantaloupe (Jun 6), Cucumber (Jun 6), Eggplant (Jun 6), Melons (Jun 6), Pepper (Jun 6), +6 more. Last sowing dates: Sunflowers (Jun 12), Brussel Sprouts (Jun 17), Pole Beans (Jun 17), Basil (Jun 22), Cosmos (Jun 22), Cucumber (Jun 22), +8 more. |
| July | Last sowing dates: Marigolds (Jul 2), Parsley (Jul 3), Peas (Jul 8), Cabbage (Jul 17), Carrots (Jul 17), Beets (Jul 18), +8 more. |
| August | Last sowing dates: Kale (Aug 1), Kohlrabi (Aug 1), Turnip (Aug 6), Arugula (Aug 16), Spinach (Aug 16), Radish (Aug 17). |
| September | Direct sow from: Garlic (Sep 18). First frost around September 18. |
| October | Last sowing dates: Garlic (Oct 9). |
| November | Clean up spent plants. Add compost to beds. Rest, review, and plan next year's garden. |
| December | Clean 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 83201)?
The median last spring frost date for Pocatello, ID (ZIP code 83201) is around May 23. 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 3; one in ten it runs past June 11.
What is the first fall frost date in Pocatello, ID?
The median first fall frost date for Pocatello, ID is around September 18. 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 4 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 118 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 (118 frost-free days, a short season), 33 of 56 planner crops fit outright, 15 get two plantings, 7 need an indoor start, 1 crop is perennial.
What USDA hardiness zone is Pocatello, ID?
Pocatello, ID is in USDA hardiness zone 6b (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 18 and plant out Jun 6 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 Apr 25 and again by Jul 28; both mature before Sep 25.
When do I plant garlic in Pocatello?
Sep 18 to Oct 9; it overwinters and is ready the following summer.
Can I grow Celery in Pocatello?
Yes, with help. Even planted out May 30, the outdoor season is about 2 days short; choose an early variety or grow under cover.
Which nearby ZIP has a longer season?
Rupert (ZIP 83350) has 133 frost-free days, 15 more than Pocatello (ZIP 83201). See Rupert ZIP 83350 frost dates
Nearby and related
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