Buford, WY frost dates
Last spring frostMay 27median date
First fall frostSep 19median date
Growing season115 daysfrost-free
Hardiness zone5bZone 5b
How Buford compares
- In 8 years out of 10, the last spring frost in Buford falls between May 12 and June 13, a 32-day window. The first fall frost falls between September 3 and October 1.
- The median last frost is 6 days later than the Wyoming median of May 21.
- Its 115-day growing season is longer than 25% of the 153 Wyoming places with a regular frost season (state median 125 days).
- The last frost is 26 days later than the zone 5b median of May 1. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 5b chart.
- The weather station records an average of 187 nights a year at or below 32°F.
- Compared with Cheyenne, WY, 43 km away, the last frost here is 15 days later than there and the growing season is 27 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | May 12 |
| 50% (median) | May 27 |
| 10% (safe for tender plants) | June 13 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 3 |
| 50% (median) | September 19 |
| 90% (late) | October 1 |
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 Buford, WY
Buford, WY frost dates — last frost May 27, first frost Sep 19, zone 5b. whenisthelastfrost.com
Crop
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Start indoors: Mar 4 to Mar 18Transplant outside: Apr 29 to May 13
Start indoors: Mar 18 to Apr 1Transplant outside: Jun 10 to Jun 24
Start indoors: Mar 18 to Apr 1Transplant outside: Jun 10 to Jun 24
Start indoors: Apr 1 to Apr 15Transplant outside: Jun 3 to Jun 17
Start indoors: Apr 1 to Apr 15Transplant outside: May 6 to May 20Sow outdoors: Apr 29 to Jun 3Plant for fall: Jul 25 to Aug 22
Start indoors: Apr 1 to Apr 15Transplant outside: Apr 29 to May 13Sow outdoors: Apr 29 to May 13Plant for fall: Jul 11 to Aug 1
Start indoors: Apr 1 to Apr 15Transplant outside: May 13 to May 27Plant for fall: Jun 13 to Jul 4
Start indoors: Apr 1 to Apr 15Transplant outside: May 6 to May 20Plant for fall: Jun 13 to Jul 4
Start indoors: Apr 1 to Apr 15Transplant outside: May 13 to May 27Plant for fall: Jun 13 to Jul 4
Start indoors: Apr 15 to Apr 29Transplant outside: Jun 17 to Jul 1Sow outdoors: Jun 17 to Jul 1
Start indoors: Apr 15 to Apr 29Transplant outside: Jun 3 to Jun 17
Sow outdoors: Apr 15 to May 6Plant for fall: Jun 27 to Jul 18
Sow outdoors: Apr 15 to May 6Plant for fall: Jul 25 to Aug 15
Sow outdoors: Apr 22 to Jun 3Plant for fall: Aug 8 to Aug 29
Start indoors: Apr 29 to May 6Transplant outside: Jun 10 to Jun 17Sow outdoors: Jun 3 to Jun 17Plant for fall: Jul 4 to Jul 18
Start indoors: Apr 29 to May 6Sow outdoors: Jun 3 to Jun 17Plant for fall: Jul 11 to Jul 25
Start indoors: Apr 29 to May 6Sow outdoors: Jun 3 to Jun 17
Start indoors: Apr 29 to May 6Transplant outside: Jun 10 to Jun 24
Sow outdoors: May 6 to Jun 3Plant for fall: Jun 27 to Jul 11
Sow outdoors: May 6 to Jun 3Plant for fall: Jul 11 to Jul 25
Sow outdoors: May 6 to May 27
Sow outdoors: May 13 to Jun 10Plant for fall: Jul 11 to Jul 25
Sow outdoors: May 13 to Jun 3Plant for fall: Jul 25 to Aug 15
Sow outdoors: Jun 3 to Jun 24
Sow outdoors: Jun 3 to Jun 17
Transplant outside: Jun 10 to Jul 1
Plant for fall: Sep 5 to Oct 10
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Buford, WY
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Mar 4 – Mar 18 | Apr 29 – May 13 | — | — |
| Peppers | Mar 18 – Apr 1 | Jun 10 – Jun 24 | — | — |
| Eggplant | Mar 18 – Apr 1 | Jun 10 – Jun 24 | — | — |
| Tomatoes | Apr 1 – Apr 15 | Jun 3 – Jun 17 | — | — |
| Lettuce | Apr 1 – Apr 15 | May 6 – May 20 | Apr 29 – Jun 3 | Jul 25 – Aug 22 |
| Kale | Apr 1 – Apr 15 | Apr 29 – May 13 | Apr 29 – May 13 | Jul 11 – Aug 1 |
| Broccoli | Apr 1 – Apr 15 | May 13 – May 27 | — | Jun 13 – Jul 4 |
| Cabbage | Apr 1 – Apr 15 | May 6 – May 20 | — | Jun 13 – Jul 4 |
| Cauliflower | Apr 1 – Apr 15 | May 13 – May 27 | — | Jun 13 – Jul 4 |
| Okra | Apr 15 – Apr 29 | Jun 17 – Jul 1 | Jun 17 – Jul 1 | — |
| Basil | Apr 15 – Apr 29 | Jun 3 – Jun 17 | — | — |
| Peas | — | — | Apr 15 – May 6 | Jun 27 – Jul 18 |
| Spinach | — | — | Apr 15 – May 6 | Jul 25 – Aug 15 |
| Radishes | — | — | Apr 22 – Jun 3 | Aug 8 – Aug 29 |
| Cucumbers | Apr 29 – May 6 | Jun 10 – Jun 17 | Jun 3 – Jun 17 | Jul 4 – Jul 18 |
| Zucchini & Summer Squash | Apr 29 – May 6 | — | Jun 3 – Jun 17 | Jul 11 – Jul 25 |
| Winter Squash & Pumpkins | Apr 29 – May 6 | — | Jun 3 – Jun 17 | — |
| Melons & Watermelon | Apr 29 – May 6 | Jun 10 – Jun 24 | — | — |
| Carrots | — | — | May 6 – Jun 3 | Jun 27 – Jul 11 |
| Beets | — | — | May 6 – Jun 3 | Jul 11 – Jul 25 |
| Potatoes | — | — | May 6 – May 27 | — |
| Swiss Chard | — | — | May 13 – Jun 10 | Jul 11 – Jul 25 |
| Cilantro | — | — | May 13 – Jun 3 | Jul 25 – Aug 15 |
| Green Beans | — | — | Jun 3 – Jun 24 | — |
| Sweet Corn | — | — | Jun 3 – Jun 17 | — |
| Sweet Potatoes | — | Jun 10 – Jul 1 | — | — |
| Garlic | — | — | — | Sep 5 – Oct 10 |
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 Hecla 1e, WY weather station, 12 km away (elevation 6,690 ft (2,039 m)).
Frost dates near Buford
- Tie Siding May 31 · Sep 19
- Granite Canon May 31 · Sep 19
- Fe Warren Afb May 14 · Oct 1
- Horse Creek May 27 · Sep 19
- Laramie Jun 7 · Sep 4
- Cheyenne May 12 · Oct 1
- Bosler Jun 7 · Sep 4
- Jelm frost any month
- Centennial Jun 2 · Sep 19
- Hillsdale May 21 · Sep 24
Frequently asked questions
When is the last frost in Buford, WY?
The median last spring frost in Buford, WY is May 27. 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 Buford, WY?
The median first fall frost is September 19, with about a 10% chance of frost before September 3.
How long is the growing season in Buford, WY?
About 115 days between the median last spring frost and first fall frost.
What planting zone is Buford, WY?
Buford, WY is in USDA hardiness zone 5b.