Frost Dates for West Jordan, UT
In West Jordan, UT, the average last spring frost is around Apr 18 and the average first fall frost around Oct 22, for a growing season of about 185 days. For frost-tender plants, wait until May 6, when the chance of frost drops to 10%.
Based on NOAA 1991–2020 records from the Draper-Point Of Mtn, UT weather station, 10 miles away, elevation 4,506 ft. Frost can come earlier in low spots and valleys and later near cities and large lakes.
Frost probability by date
Chance of a 32°F frost after the spring date, or before the fall date.
| Chance | Last spring frost | First fall frost |
|---|---|---|
| 10% | May 6 | Oct 7 |
| 20% | Apr 30 | Oct 12 |
| 30% | Apr 25 | Oct 16 |
| 40% | Apr 22 | Oct 19 |
| 50% | Apr 18 | Oct 22 |
| 60% | Apr 14 | Oct 24 |
| 70% | Apr 10 | Oct 27 |
| 80% | Apr 5 | Nov 1 |
| 90% | Mar 31 | Nov 5 |
Light frost vs. hard freeze
Average (50%) dates for each temperature. Tender plants are damaged at 36°F; most hardy crops survive until 28°F.
| Temperature | Last in spring | First in fall |
|---|---|---|
| Light frost (36°F) | May 2 | Oct 10 |
| Frost / freeze (32°F) | Apr 18 | Oct 22 |
| Hard freeze (28°F) | Mar 31 | Nov 2 |
Planting calendar for West Jordan
Transplant Apr 25 – May 9
Transplant May 2 – May 16
Transplant May 2 – May 16
Transplant Apr 25 – May 9
Sow or transplant Apr 25 – May 9
Sow or transplant Apr 25 – May 9
Sow or transplant May 2 – May 16
Sow or transplant Mar 21 – Apr 4
Fall sowing Aug 27 – Sep 24
Fall sowing Aug 27 – Sep 17
Fall sowing Aug 13 – Aug 27
Sow or transplant Mar 21 – Apr 4
Fall sowing Aug 13 – Sep 10
Transplant Apr 4 – Apr 18
Fall sowing Jul 30 – Aug 13
Transplant Mar 28 – Apr 11
Fall sowing Jul 30 – Aug 13
Fall sowing Jul 30 – Aug 13
Fall sowing Sep 10 – Oct 1
Fall sowing Aug 13 – Aug 27
Plant Mar 21 – Apr 4
Based on the average last frost (Apr 18) and first frost (Oct 22). The dashed lines mark those dates. Seed packets list days to maturity; adjust for your varieties.