Emerald ash borer in North Dakota: When It Shows Up and What Stops It
Emerald ash borer reached North Dakota in the fall of 2023, when officials confirmed an infestation in a Fargo neighborhood.
Gardening in North Dakota
Everything we have worked out for North Dakota: 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 Fargo, the last spring freeze runs May 4 to May 15 and the first fall freeze runs September 25 to October 5, USDA zones 3a-4b, 2,673 growing degree days in the year.
Garlic does well: 30.4 weeks below 40 °F, comfortably past the six it needs to form a proper head.
Elsewhere on the property in North Dakota: 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.
Apple maggot in North Dakota: When It Shows Up and What Stops It
Apple maggot flies show up in North Dakota orchards from roughly mid-July through early September, with the heaviest activity in late July and August.
Yellowheaded spruce sawfly in North Dakota: When It Shows Up and What Stops It
Yellowheaded spruce sawfly larvae start stripping needles in North Dakota shelterbelts and yards around late May, usually peaking through mid-June before…
Boxelder bug in North Dakota: When It Shows Up and What Stops It
Boxelder bugs show up in North Dakota twice a year on a predictable schedule: they emerge from overwintering spots in April or May as temperatures climb…
North Dakota Lawn Care: What to Plant and When to Feed It
Cool-season grasses like Kentucky bluegrass and tall fescue fit North Dakota’s climate, seeded in late summer and fed each September for strong roots.
Garlic Varieties That Suit North Dakota Winters
North Dakota’s cold winters suit both hardneck and softneck garlic, with planting timed to Fargo’s September 25 to October 5 first frost window.
When to Plant Garlic in North Dakota: Counting Back From the First Frost
North Dakota gardeners plant garlic in early to mid September, timed off Fargo’s NOAA frost normals and the state’s long, cold winter.
Growing Garlic in North Dakota: Planting Dates, Varieties and Winter Cold
North Dakota’s long, cold winters suit hardneck garlic well, but planting date, mulch depth, and drainage decide whether the bulbs survive to harvest.
Tomato Pests in North Dakota: Which Ones Actually Show Up Here
A season-by-season rundown of the tomato pests that actually appear in North Dakota gardens, how to identify each one, and what actually controls it.
Tomato Planting Dates in North Dakota: Counting Back From Your Frost Window
How to use NOAA’s Fargo frost window and days-to-maturity math to set a safe tomato transplant date anywhere in North Dakota.