Salt Lake City, UT · zone 7a · ~219 frost-free days
When to plant in Salt Lake City: frost dates and zone 7a.
In Salt Lake City, the typical last spring frost lands around Apr 2 and the first fall frost around Nov 7, giving you about 219 frost-free days. Cool-season crops go out before the last frost; warm-season crops wait until after it.
The 2026 windows
Sow dates for Salt Lake City, keyed to your frost.
| Crop | Start indoors | Spring sow / set out | Fall sow |
|---|---|---|---|
| Tomato, slicing | Feb 26 to Apr 28 | Apr 9 to Jun 9 | — |
| Lettuce, leaf | — | Feb 23 to Apr 9 | Aug 24 to Oct 23 |
| Carrot | — | Feb 23 to Mar 28 | Aug 12 to Sep 7 |
| Bush Bean | — | Apr 2 to May 23 | Jul 24 to Aug 26 |
| Cucumber, slicing | — | Apr 9 to Jul 9 | — |
| Pepper, bell | Mar 7 to Apr 28 | Apr 18 to Jun 9 | — |
| Kale | Jan 12 to Feb 9 | Feb 23 to Mar 23 | Aug 7 to Sep 22 |
| Spinach | — | Feb 9 to Mar 23 | Aug 24 to Oct 12 |
Salt Lake City sits in Zone 7a, but two gardens in the same city can be a week or two apart. The planner works from your ZIP code's frost dates, not the zone, so the dates land right for your block, not the metro average.
Build your Salt Lake City garden plan.
Tell the free planner what you want to eat and who you're feeding. It returns plant counts, spacing, and frost-safe sow dates for ZIP 84101 in about 60 seconds.
Salt Lake City planting questions
What planting zone is Salt Lake City, UT?+
Salt Lake City is in USDA hardiness zone 7a. Growing zone, gardening zone, and planting zone all mean the same thing: the USDA number, 7a here. It tells you what survives winter, not when to plant. Frost dates set your planting time, and the free planner uses your exact ZIP code's frost dates, which can differ by weeks across one metro.
When is the last frost date in Salt Lake City?+
The typical last spring frost in Salt Lake City, UT is around Apr 2. That is an average from local history, not a guarantee, so tender crops like tomatoes and peppers are safer with a week of buffer after it.
When is the first frost date in Salt Lake City?+
The typical first fall frost in Salt Lake City, UT arrives around Nov 7, closing a growing season of roughly 219 frost-free days. Count backward from it to find the last date a fall crop can still finish.
What can I plant now in Salt Lake City?+
It depends on the date. Cool-season crops like lettuce, kale, and spinach go out weeks before the last frost; warm-season crops like tomatoes and peppers wait until after Apr 2. The table above shows each crop's window; the free planner turns your ZIP into an exact, dated calendar.