Frost dates for 83202 — Pocatello, ID
Last spring frostMay 16median date
First fall frostOct 2median date
Growing season139 daysfrost-free
Hardiness zone6aZone 6a
How Pocatello compares
- In 8 years out of 10, the last spring frost in Pocatello falls between April 30 and June 6, a 37-day window. The first fall frost falls between September 14 and October 18.
- The median last frost is 2 days later than the Idaho median of May 14.
- Its 139-day growing season is longer than 51% of the 244 Idaho places with a regular frost season (state median 138 days).
- The last frost is 17 days later than the zone 6a median of Apr 29. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 6a chart.
- The weather station records an average of 150 nights a year at or below 32°F.
- Compared with Idaho Falls, ID, 72 km away, the last frost here is 7 days later than there and the growing season is 6 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 30 |
| 50% (median) | May 16 |
| 10% (safe for tender plants) | June 6 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 14 |
| 50% (median) | October 2 |
| 90% (late) | October 18 |
Frost here means 32°F (0°C). A median date means half of years have their last frost earlier and half later.
Planting calendar for Pocatello, ID
Frost dates for 83202 — Pocatello, ID — last frost May 16, first frost Oct 2, zone 6a. whenisthelastfrost.com
Crop
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Start indoors: Feb 21 to Mar 7Transplant outside: Apr 18 to May 2
Start indoors: Mar 7 to Mar 21Transplant outside: May 30 to Jun 13
Start indoors: Mar 7 to Mar 21Transplant outside: May 30 to Jun 13
Start indoors: Mar 21 to Apr 4Transplant outside: May 23 to Jun 6
Start indoors: Mar 21 to Apr 4Transplant outside: Apr 25 to May 9Sow outdoors: Apr 18 to May 23Plant for fall: Aug 7 to Sep 4
Start indoors: Mar 21 to Apr 4Transplant outside: Apr 18 to May 2Sow outdoors: Apr 18 to May 2Plant for fall: Jul 24 to Aug 14
Start indoors: Mar 21 to Apr 4Transplant outside: May 2 to May 16Plant for fall: Jun 26 to Jul 17
Start indoors: Mar 21 to Apr 4Transplant outside: Apr 25 to May 9Plant for fall: Jun 26 to Jul 17
Start indoors: Mar 21 to Apr 4Transplant outside: May 2 to May 16Plant for fall: Jun 26 to Jul 17
Start indoors: Apr 4 to Apr 18Transplant outside: Jun 6 to Jun 20Sow outdoors: Jun 6 to Jun 20
Start indoors: Apr 4 to Apr 18Transplant outside: May 23 to Jun 6
Sow outdoors: Apr 4 to Apr 25Plant for fall: Jul 10 to Jul 31
Sow outdoors: Apr 4 to Apr 25Plant for fall: Aug 7 to Aug 28
Sow outdoors: Apr 11 to May 23Plant for fall: Aug 21 to Sep 11
Start indoors: Apr 18 to Apr 25Transplant outside: May 30 to Jun 6Sow outdoors: May 23 to Jun 6Plant for fall: Jul 17 to Jul 31
Start indoors: Apr 18 to Apr 25Sow outdoors: May 23 to Jun 6Plant for fall: Jul 24 to Aug 7
Start indoors: Apr 18 to Apr 25Sow outdoors: May 23 to Jun 6
Start indoors: Apr 18 to Apr 25Transplant outside: May 30 to Jun 13
Sow outdoors: Apr 25 to May 23Plant for fall: Jul 10 to Jul 24
Sow outdoors: Apr 25 to May 23Plant for fall: Jul 24 to Aug 7
Sow outdoors: Apr 25 to May 16
Sow outdoors: May 2 to May 30Plant for fall: Jul 24 to Aug 7
Sow outdoors: May 2 to May 23Plant for fall: Aug 7 to Aug 28
Sow outdoors: May 23 to Jun 13Plant for fall: Jul 17 to Jul 31
Sow outdoors: May 23 to Jun 6
Transplant outside: May 30 to Jun 20
Plant for fall: Sep 18 to Oct 23
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Pocatello, ID
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 21 – Mar 7 | Apr 18 – May 2 | — | — |
| Peppers | Mar 7 – Mar 21 | May 30 – Jun 13 | — | — |
| Eggplant | Mar 7 – Mar 21 | May 30 – Jun 13 | — | — |
| Tomatoes | Mar 21 – Apr 4 | May 23 – Jun 6 | — | — |
| Lettuce | Mar 21 – Apr 4 | Apr 25 – May 9 | Apr 18 – May 23 | Aug 7 – Sep 4 |
| Kale | Mar 21 – Apr 4 | Apr 18 – May 2 | Apr 18 – May 2 | Jul 24 – Aug 14 |
| Broccoli | Mar 21 – Apr 4 | May 2 – May 16 | — | Jun 26 – Jul 17 |
| Cabbage | Mar 21 – Apr 4 | Apr 25 – May 9 | — | Jun 26 – Jul 17 |
| Cauliflower | Mar 21 – Apr 4 | May 2 – May 16 | — | Jun 26 – Jul 17 |
| Okra | Apr 4 – Apr 18 | Jun 6 – Jun 20 | Jun 6 – Jun 20 | — |
| Basil | Apr 4 – Apr 18 | May 23 – Jun 6 | — | — |
| Peas | — | — | Apr 4 – Apr 25 | Jul 10 – Jul 31 |
| Spinach | — | — | Apr 4 – Apr 25 | Aug 7 – Aug 28 |
| Radishes | — | — | Apr 11 – May 23 | Aug 21 – Sep 11 |
| Cucumbers | Apr 18 – Apr 25 | May 30 – Jun 6 | May 23 – Jun 6 | Jul 17 – Jul 31 |
| Zucchini & Summer Squash | Apr 18 – Apr 25 | — | May 23 – Jun 6 | Jul 24 – Aug 7 |
| Winter Squash & Pumpkins | Apr 18 – Apr 25 | — | May 23 – Jun 6 | — |
| Melons & Watermelon | Apr 18 – Apr 25 | May 30 – Jun 13 | — | — |
| Carrots | — | — | Apr 25 – May 23 | Jul 10 – Jul 24 |
| Beets | — | — | Apr 25 – May 23 | Jul 24 – Aug 7 |
| Potatoes | — | — | Apr 25 – May 16 | — |
| Swiss Chard | — | — | May 2 – May 30 | Jul 24 – Aug 7 |
| Cilantro | — | — | May 2 – May 23 | Aug 7 – Aug 28 |
| Green Beans | — | — | May 23 – Jun 13 | Jul 17 – Jul 31 |
| Sweet Corn | — | — | May 23 – Jun 6 | — |
| Sweet Potatoes | — | May 30 – Jun 20 | — | — |
| Garlic | — | — | — | Sep 18 – Oct 23 |
Dates come from the median frost dates and common extension-service timing. Adjust for your soil temperature, microclimate and the varieties you grow.
About these dates
Based on 1991–2020 NOAA climate normals for the Pocatello 2 Ne, ID weather station, 7 km away (elevation 4,833 ft (1,473 m)).
ZIP codes in Pocatello: 83201 83202 83204 83205 83206 83209
Frost dates near Pocatello
- Fort Hall May 20 · Sep 20
- Springfield May 21 · Sep 20
- Inkom May 23 · Sep 24
- Pingree May 20 · Sep 20
- Blackfoot May 5 · Oct 3
- Aberdeen May 21 · Sep 20
- Moreland May 5 · Oct 3
- McCammon May 23 · Sep 24
Frequently asked questions
When is the last frost in Pocatello, ID?
The median last spring frost in Pocatello, ID is May 16. There is still about a 10% chance of frost after June 6, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Pocatello, ID?
The median first fall frost is October 2, with about a 10% chance of frost before September 14.
How long is the growing season in Pocatello, ID?
About 139 days between the median last spring frost and first fall frost.
What planting zone is Pocatello, ID?
Pocatello, ID is in USDA hardiness zone 6a.