Galata, MT frost dates
Last spring frostMay 23median date
First fall frostSep 14median date
Growing season114 daysfrost-free
Hardiness zone4aZone 4a
How Galata compares
- In 8 years out of 10, the last spring frost in Galata falls between May 12 and June 8, a 27-day window. The first fall frost falls between September 1 and September 26.
- The median last frost is 4 days later than the Montana median of May 19.
- Its 114-day growing season is longer than 26% of the 325 Montana places with a regular frost season (state median 125 days).
- The last frost is 11 days later than the zone 4a median of May 12. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 4a chart.
- The weather station records an average of 208 nights a year at or below 32°F.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | May 12 |
| 50% (median) | May 23 |
| 10% (safe for tender plants) | June 8 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 1 |
| 50% (median) | September 14 |
| 90% (late) | September 26 |
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 Galata, MT
Galata, MT frost dates — last frost May 23, first frost Sep 14, zone 4a. whenisthelastfrost.com
Crop
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Start indoors: Feb 28 to Mar 14Transplant outside: Apr 25 to May 9
Start indoors: Mar 14 to Mar 28Transplant outside: Jun 6 to Jun 20
Start indoors: Mar 14 to Mar 28Transplant outside: Jun 6 to Jun 20
Start indoors: Mar 28 to Apr 11Transplant outside: May 30 to Jun 13
Start indoors: Mar 28 to Apr 11Transplant outside: May 2 to May 16Sow outdoors: Apr 25 to May 30Plant for fall: Jul 20 to Aug 17
Start indoors: Mar 28 to Apr 11Transplant outside: Apr 25 to May 9Sow outdoors: Apr 25 to May 9Plant for fall: Jul 6 to Jul 27
Start indoors: Mar 28 to Apr 11Transplant outside: May 9 to May 23Plant for fall: Jun 8 to Jun 29
Start indoors: Mar 28 to Apr 11Transplant outside: May 2 to May 16Plant for fall: Jun 8 to Jun 29
Start indoors: Mar 28 to Apr 11Transplant outside: May 9 to May 23Plant for fall: Jun 8 to Jun 29
Start indoors: Apr 11 to Apr 25Transplant outside: Jun 13 to Jun 27Sow outdoors: Jun 13 to Jun 27
Start indoors: Apr 11 to Apr 25Transplant outside: May 30 to Jun 13
Sow outdoors: Apr 11 to May 2Plant for fall: Jun 22 to Jul 13
Sow outdoors: Apr 11 to May 2Plant for fall: Jul 20 to Aug 10
Sow outdoors: Apr 18 to May 30Plant for fall: Aug 3 to Aug 24
Start indoors: Apr 25 to May 2Transplant outside: Jun 6 to Jun 13Sow outdoors: May 30 to Jun 13Plant for fall: Jun 29 to Jul 13
Start indoors: Apr 25 to May 2Sow outdoors: May 30 to Jun 13Plant for fall: Jul 6 to Jul 20
Start indoors: Apr 25 to May 2Sow outdoors: May 30 to Jun 13
Start indoors: Apr 25 to May 2Transplant outside: Jun 6 to Jun 20
Sow outdoors: May 2 to May 30Plant for fall: Jun 22 to Jul 6
Sow outdoors: May 2 to May 30Plant for fall: Jul 6 to Jul 20
Sow outdoors: May 2 to May 23
Sow outdoors: May 9 to Jun 6Plant for fall: Jul 6 to Jul 20
Sow outdoors: May 9 to May 30Plant for fall: Jul 20 to Aug 10
Sow outdoors: May 30 to Jun 20
Sow outdoors: May 30 to Jun 13
Transplant outside: Jun 6 to Jun 27
Plant for fall: Aug 31 to Oct 5
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Galata, MT
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 28 – Mar 14 | Apr 25 – May 9 | — | — |
| Peppers | Mar 14 – Mar 28 | Jun 6 – Jun 20 | — | — |
| Eggplant | Mar 14 – Mar 28 | Jun 6 – Jun 20 | — | — |
| Tomatoes | Mar 28 – Apr 11 | May 30 – Jun 13 | — | — |
| Lettuce | Mar 28 – Apr 11 | May 2 – May 16 | Apr 25 – May 30 | Jul 20 – Aug 17 |
| Kale | Mar 28 – Apr 11 | Apr 25 – May 9 | Apr 25 – May 9 | Jul 6 – Jul 27 |
| Broccoli | Mar 28 – Apr 11 | May 9 – May 23 | — | Jun 8 – Jun 29 |
| Cabbage | Mar 28 – Apr 11 | May 2 – May 16 | — | Jun 8 – Jun 29 |
| Cauliflower | Mar 28 – Apr 11 | May 9 – May 23 | — | Jun 8 – Jun 29 |
| Okra | Apr 11 – Apr 25 | Jun 13 – Jun 27 | Jun 13 – Jun 27 | — |
| Basil | Apr 11 – Apr 25 | May 30 – Jun 13 | — | — |
| Peas | — | — | Apr 11 – May 2 | Jun 22 – Jul 13 |
| Spinach | — | — | Apr 11 – May 2 | Jul 20 – Aug 10 |
| Radishes | — | — | Apr 18 – May 30 | Aug 3 – Aug 24 |
| Cucumbers | Apr 25 – May 2 | Jun 6 – Jun 13 | May 30 – Jun 13 | Jun 29 – Jul 13 |
| Zucchini & Summer Squash | Apr 25 – May 2 | — | May 30 – Jun 13 | Jul 6 – Jul 20 |
| Winter Squash & Pumpkins | Apr 25 – May 2 | — | May 30 – Jun 13 | — |
| Melons & Watermelon | Apr 25 – May 2 | Jun 6 – Jun 20 | — | — |
| Carrots | — | — | May 2 – May 30 | Jun 22 – Jul 6 |
| Beets | — | — | May 2 – May 30 | Jul 6 – Jul 20 |
| Potatoes | — | — | May 2 – May 23 | — |
| Swiss Chard | — | — | May 9 – Jun 6 | Jul 6 – Jul 20 |
| Cilantro | — | — | May 9 – May 30 | Jul 20 – Aug 10 |
| Green Beans | — | — | May 30 – Jun 20 | — |
| Sweet Corn | — | — | May 30 – Jun 13 | — |
| Sweet Potatoes | — | Jun 6 – Jun 27 | — | — |
| Garlic | — | — | — | Aug 31 – Oct 5 |
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 Dunkirk 19nne, MT weather station, 10 km away (elevation 3,323 ft (1,013 m)).
Frost dates near Galata
- Sunburst May 17 · Sep 25
- Oilmont May 17 · Sep 25
- Whitlash frost any month
- Kevin May 17 · Sep 25
- Sweet Grass May 15 · Sep 25
- Lothair May 24 · Sep 17
- Shelby May 23 · Sep 16
- Joplin May 21 · Sep 19
- Chester May 24 · Sep 17
- Ethridge May 24 · Sep 15
Frequently asked questions
When is the last frost in Galata, MT?
The median last spring frost in Galata, MT is May 23. There is still about a 10% chance of frost after June 8, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Galata, MT?
The median first fall frost is September 14, with about a 10% chance of frost before September 1.
How long is the growing season in Galata, MT?
About 114 days between the median last spring frost and first fall frost.
What planting zone is Galata, MT?
Galata, MT is in USDA hardiness zone 4a.