Lindsay, MT frost dates
Last spring frostMay 26median date
First fall frostSep 17median date
Growing season114 daysfrost-free
Hardiness zone4bZone 4b
How Lindsay compares
- In 8 years out of 10, the last spring frost in Lindsay falls between May 13 and June 13, a 31-day window. The first fall frost falls between September 1 and September 29.
- The median last frost is 7 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 18 days later than the zone 4b median of May 8. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 4b chart.
- The weather station records an average of 198 nights a year at or below 32°F.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | May 13 |
| 50% (median) | May 26 |
| 10% (safe for tender plants) | June 13 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 1 |
| 50% (median) | September 17 |
| 90% (late) | September 29 |
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 Lindsay, MT
Lindsay, MT frost dates — last frost May 26, first frost Sep 17, zone 4b. whenisthelastfrost.com
Crop
JFMAMJJASOND
Start indoors: Mar 3 to Mar 17Transplant outside: Apr 28 to May 12
Start indoors: Mar 17 to Mar 31Transplant outside: Jun 9 to Jun 23
Start indoors: Mar 17 to Mar 31Transplant outside: Jun 9 to Jun 23
Start indoors: Mar 31 to Apr 14Transplant outside: Jun 2 to Jun 16
Start indoors: Mar 31 to Apr 14Transplant outside: May 5 to May 19Sow outdoors: Apr 28 to Jun 2Plant for fall: Jul 23 to Aug 20
Start indoors: Mar 31 to Apr 14Transplant outside: Apr 28 to May 12Sow outdoors: Apr 28 to May 12Plant for fall: Jul 9 to Jul 30
Start indoors: Mar 31 to Apr 14Transplant outside: May 12 to May 26Plant for fall: Jun 11 to Jul 2
Start indoors: Mar 31 to Apr 14Transplant outside: May 5 to May 19Plant for fall: Jun 11 to Jul 2
Start indoors: Mar 31 to Apr 14Transplant outside: May 12 to May 26Plant for fall: Jun 11 to Jul 2
Start indoors: Apr 14 to Apr 28Transplant outside: Jun 16 to Jun 30Sow outdoors: Jun 16 to Jun 30
Start indoors: Apr 14 to Apr 28Transplant outside: Jun 2 to Jun 16
Sow outdoors: Apr 14 to May 5Plant for fall: Jun 25 to Jul 16
Sow outdoors: Apr 14 to May 5Plant for fall: Jul 23 to Aug 13
Sow outdoors: Apr 21 to Jun 2Plant for fall: Aug 6 to Aug 27
Start indoors: Apr 28 to May 5Transplant outside: Jun 9 to Jun 16Sow outdoors: Jun 2 to Jun 16Plant for fall: Jul 2 to Jul 16
Start indoors: Apr 28 to May 5Sow outdoors: Jun 2 to Jun 16Plant for fall: Jul 9 to Jul 23
Start indoors: Apr 28 to May 5Sow outdoors: Jun 2 to Jun 16
Start indoors: Apr 28 to May 5Transplant outside: Jun 9 to Jun 23
Sow outdoors: May 5 to Jun 2Plant for fall: Jun 25 to Jul 9
Sow outdoors: May 5 to Jun 2Plant for fall: Jul 9 to Jul 23
Sow outdoors: May 5 to May 26
Sow outdoors: May 12 to Jun 9Plant for fall: Jul 9 to Jul 23
Sow outdoors: May 12 to Jun 2Plant for fall: Jul 23 to Aug 13
Sow outdoors: Jun 2 to Jun 23
Sow outdoors: Jun 2 to Jun 16
Transplant outside: Jun 9 to Jun 30
Plant for fall: Sep 3 to Oct 8
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Lindsay, MT
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Mar 3 – Mar 17 | Apr 28 – May 12 | — | — |
| Peppers | Mar 17 – Mar 31 | Jun 9 – Jun 23 | — | — |
| Eggplant | Mar 17 – Mar 31 | Jun 9 – Jun 23 | — | — |
| Tomatoes | Mar 31 – Apr 14 | Jun 2 – Jun 16 | — | — |
| Lettuce | Mar 31 – Apr 14 | May 5 – May 19 | Apr 28 – Jun 2 | Jul 23 – Aug 20 |
| Kale | Mar 31 – Apr 14 | Apr 28 – May 12 | Apr 28 – May 12 | Jul 9 – Jul 30 |
| Broccoli | Mar 31 – Apr 14 | May 12 – May 26 | — | Jun 11 – Jul 2 |
| Cabbage | Mar 31 – Apr 14 | May 5 – May 19 | — | Jun 11 – Jul 2 |
| Cauliflower | Mar 31 – Apr 14 | May 12 – May 26 | — | Jun 11 – Jul 2 |
| Okra | Apr 14 – Apr 28 | Jun 16 – Jun 30 | Jun 16 – Jun 30 | — |
| Basil | Apr 14 – Apr 28 | Jun 2 – Jun 16 | — | — |
| Peas | — | — | Apr 14 – May 5 | Jun 25 – Jul 16 |
| Spinach | — | — | Apr 14 – May 5 | Jul 23 – Aug 13 |
| Radishes | — | — | Apr 21 – Jun 2 | Aug 6 – Aug 27 |
| Cucumbers | Apr 28 – May 5 | Jun 9 – Jun 16 | Jun 2 – Jun 16 | Jul 2 – Jul 16 |
| Zucchini & Summer Squash | Apr 28 – May 5 | — | Jun 2 – Jun 16 | Jul 9 – Jul 23 |
| Winter Squash & Pumpkins | Apr 28 – May 5 | — | Jun 2 – Jun 16 | — |
| Melons & Watermelon | Apr 28 – May 5 | Jun 9 – Jun 23 | — | — |
| Carrots | — | — | May 5 – Jun 2 | Jun 25 – Jul 9 |
| Beets | — | — | May 5 – Jun 2 | Jul 9 – Jul 23 |
| Potatoes | — | — | May 5 – May 26 | — |
| Swiss Chard | — | — | May 12 – Jun 9 | Jul 9 – Jul 23 |
| Cilantro | — | — | May 12 – Jun 2 | Jul 23 – Aug 13 |
| Green Beans | — | — | Jun 2 – Jun 23 | — |
| Sweet Corn | — | — | Jun 2 – Jun 16 | — |
| Sweet Potatoes | — | Jun 9 – Jun 30 | — | — |
| Garlic | — | — | — | Sep 3 – Oct 8 |
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 Terry 21 Nnw, MT weather station, 26 km away (elevation 3,143 ft (958 m)).
Frost dates near Lindsay
- Bloomfield May 3 · Oct 4
- Glendive May 3 · Oct 4
- Circle May 17 · Sep 22
- Terry May 12 · Sep 28
- Brockway May 20 · Sep 19
- Fallon May 20 · Sep 22
- Richey May 16 · Sep 22
- Mildred May 20 · Sep 22
- Vida May 16 · Sep 22
- Lambert May 11 · Sep 27
Frequently asked questions
When is the last frost in Lindsay, MT?
The median last spring frost in Lindsay, MT is May 26. There is still about a 10% chance of frost after June 13, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Lindsay, MT?
The median first fall frost is September 17, with about a 10% chance of frost before September 1.
How long is the growing season in Lindsay, MT?
About 114 days between the median last spring frost and first fall frost.
What planting zone is Lindsay, MT?
Lindsay, MT is in USDA hardiness zone 4b.