When to Plant Radishes in Utah
In a typical Utah location, sow outdoors Mar 20 – Apr 3. Across the state, the outdoor planting window starts as early as Feb 7 in Saint George and as late as Apr 30 in Heber City. For a fall crop, plant around Sep 10 – Sep 24.
Very fast and cold-hardy; direct sow 3-5 weeks before last frost, as soon as soil can be worked.
Radishes Planting Dates by City
| City | Direct sow | Fall planting |
|---|---|---|
| Salt Lake City | Feb 24 – Mar 10 | Sep 27 – Oct 11 |
| West Valley City | Mar 4 – Mar 18 | Sep 19 – Oct 3 |
| Provo | Mar 14 – Mar 28 | Sep 9 – Sep 23 |
| West Jordan | Mar 25 – Apr 8 | Sep 10 – Sep 24 |
| Orem | Mar 15 – Mar 29 | Sep 7 – Sep 21 |
| Sandy | Mar 25 – Apr 8 | Sep 10 – Sep 24 |
| Ogden | Mar 17 – Mar 31 | Sep 11 – Sep 25 |
| Layton | Mar 15 – Mar 29 | Sep 7 – Sep 21 |
| Saint George | Feb 7 – Feb 21 | Sep 29 – Oct 13 |
| South Jordan | Mar 14 – Mar 28 | Sep 10 – Sep 24 |
| Millcreek | Mar 21 – Apr 4 | Sep 6 – Sep 20 |
| Taylorsville | Feb 24 – Mar 10 | Sep 27 – Oct 11 |
| Lehi | Mar 26 – Apr 9 | Aug 28 – Sep 11 |
| Logan | Apr 3 – Apr 17 | Aug 21 – Sep 4 |
| Murray | Mar 21 – Apr 4 | Sep 6 – Sep 20 |
| Draper | Mar 14 – Mar 28 | Sep 10 – Sep 24 |
| Bountiful | Mar 21 – Apr 4 | Sep 12 – Sep 26 |
| Riverton | Mar 14 – Mar 28 | Sep 10 – Sep 24 |
| Pleasant Grove | Mar 13 – Mar 27 | Sep 13 – Sep 27 |
| Roy | Mar 18 – Apr 1 | Sep 10 – Sep 24 |
| Spanish Fork | Mar 21 – Apr 4 | Sep 6 – Sep 20 |
| Kearns | Mar 4 – Mar 18 | Sep 19 – Oct 3 |
| Cottonwood Heights | Mar 25 – Apr 8 | Sep 10 – Sep 24 |
| Tooele | Mar 28 – Apr 11 | Sep 4 – Sep 18 |
| Midvale | Mar 25 – Apr 8 | Sep 10 – Sep 24 |
| Springville | Mar 21 – Apr 4 | Sep 6 – Sep 20 |
| Holladay | Mar 25 – Apr 8 | Sep 10 – Sep 24 |
| Herriman | Mar 14 – Mar 28 | Sep 10 – Sep 24 |
| Clearfield | Mar 25 – Apr 8 | Sep 8 – Sep 22 |
| Kaysville | Mar 15 – Mar 29 | Sep 7 – Sep 21 |
Showing the 30 most populous of 67 Utah cities. Dates are estimates from each city's NOAA frost normals and university extension timing guidelines. See all Utah cities.
Frequently Asked Questions
When should I plant radishes in Utah?
In a typical Utah location, sow outdoors Mar 20 – Apr 3. Across the state, the outdoor planting window starts as early as Feb 7 in Saint George and as late as Apr 30 in Heber City. For a fall crop, plant around Sep 10 – Sep 24.
When is the last frost in Utah?
The average last spring frost in Utah ranges from March 14 in Saint George to June 4 in Heber City, based on NOAA 1991–2020 climate normals.
How long do radishes take to grow?
Radishes typically take 22–30 days from planting to harvest. Very fast and cold-hardy; direct sow 3-5 weeks before last frost, as soon as soil can be worked.
Other Crops in Utah
- Tomatoes
- Peppers
- Eggplant
- Cucumbers
- Zucchini
- Winter Squash
- Pumpkins
- Watermelon
- Cantaloupe
- Corn
- Green Beans
- Peas
- Lettuce
- Spinach
- Kale
- Arugula
- Swiss Chard
- Broccoli
- Cauliflower
- Cabbage
- Brussels Sprouts
- Carrots
- Beets
- Turnips
- Onions
- Garlic
- Potatoes
- Sweet Potatoes
- Asparagus
- Basil
- Cilantro
- Parsley
- Dill
- Oregano
- Thyme
- Sunflowers
- Zinnias
- Marigolds
- Cosmos
- Nasturtiums
- Dahlias
When to plant radishes in other states