Imported cabbageworm in Utah: When It Shows Up and What Stops It
Imported cabbageworm butterflies typically start showing up in Utah gardens between mid-April and early May along the Wasatch Front, later in…
Gardening in Utah
Everything we have worked out for Utah: what to plant and when, which varieties finish in time, the pests that actually turn up here, and the jobs that pay off month by month. We also cover the rest of the property, from lawns and soil to home care and energy, because a garden rarely stops at the vegetable bed.
The numbers first, because everything else follows from them. Measured at the weather station in Salt Lake City, the last spring freeze runs April 12 to April 29 and the first fall freeze runs October 18 to October 29, USDA zones 4a-9a, 3,551 growing degree days in the year.
Garlic does well: 26.1 weeks below 40 °F, comfortably past the six it needs to form a proper head.
Elsewhere on the property in Utah: the pests that turn up here.
Figures from NOAA's 1991-2020 climate normals. A state is not one climate: elevation, a large lake or the coast can move these dates by two weeks either way, so check your own county with the extension service before you spend money.
Tomato hornworm in Utah: When It Shows Up and What Stops It
Tomato hornworms show up in Utah gardens from mid-June through September, with the heaviest damage typically hitting in July and August once the…
Flea beetles in Utah: When It Shows Up and What Stops It
Flea beetles wake up in Utah as soon as soil temperatures climb past 50°F, which usually happens in early to mid-April along the Wasatch Front and up to…
Spider mites in Utah: When It Shows Up and What Stops It
Spider mites in Utah become active as early as late April in the warmer valleys around St.
Squash bug in Utah: When It Shows Up and What Stops It
Squash bugs start showing up in Utah gardens once daytime soil temperatures hold above roughly 70°F for a stretch of days, which in most valley locations…
Garden Pests in Utah: What Shows Up, When, and How to Stop It
A season-by-season look at the insects USU Extension flags for Utah home gardens, how to tell their damage apart, and what treatments actually work.
Utah Lawn Care: What to Plant and When to Feed It
Utah sits in the transition zone, where cool-season and warm-season grasses both grow but neither thrives, so choosing one means accepting a specific seasonal trade-off.
When to Plant Garlic in Utah: Counting Back From the First Frost
Utah’s garlic goes into the ground in late September to early October, timed against NOAA’s fall frost normals for Salt Lake City.
Garlic Varieties That Suit Utah Winters
Utah’s long, cold winters suit both hardneck and softneck garlic. This piece gives the planting window, regional differences and disease risks growers should know.
Growing Garlic in Utah: Planting Dates, Varieties and Winter Cold
Utah’s long, cold winters exceed what garlic needs to divide into cloves, so success here comes down to picking the right type and planting window.