When to Start Planting – Northern Utah
With the weather warming up, it’s time to start planning for the upcoming growing season. While each location has its own unique weather conditions, here are some tips for planting along the Wasatch Front.
The average date of the last spring frost will vary with location and elevation. Listed below are the 30-year average last frost dates for various cities.
City Average Last Frost*
Bountiful – Val Verda, April 17
Farmington, May 5
Midvale, May 13
Ogden, May 3
Provo – Airport, May 21
Provo – BYU, May 1
Salt Lake City – Airport, April 26
Salt Lake City – U of U, May 1
Salt Lake County – Cottonwood Weir, April 30
Tooele, May 7
Tremonton, May 3
*For more information on freeze dates and Utah’s climate, go to http://climate.usu.edu/
Hardy plants like rhubarb, broccoli, cabbage and peas can be planted as soon as the soil dries out in the spring.
Group A: Hardy
Average Planting Date: March 15 – May 1
Group B: Semi-Hardy
Plant a week or two after “A” group or about two weeks before average last spring frost.
Average Planting Date: March 20 – May 1
Tender plants like summer squash, cucumbers and sweet corn can be planted around the average date of the last spring frost, about when first apples reach full bloom.
Group C: Tender
Average Planting Date: May 5 – June 1
Group D: Very Tender
Plant when the soil is warm, about two weeks after “C” group.
Average Planting Date: May 20 – June 10
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