When to Plant Tomatoes in Zone 4
In USDA zone 4, start seeds indoors around April 3, transplant or plant outdoors May 29 to August 15, and expect your first harvest around August 15.
Tomatoes planting calendar for USDA Zone 4
Start seeds indoors
Apr 3
Transplant outdoors
May 29
Projected first harvest
Aug 15
Most tomatoes mature in about 55 to 85 days depending on the variety. Dates use USDA zone 4a average frost dates. Set your ZIP in HomeSown for dates tuned to your exact location.
What zone 4 means for tomatoes
Average last spring frost
May 15
Average first fall frost
September 20
Those two dates are what set the schedule above. Zone 4 gives you roughly 128 frost-free days, and tomatoes need about 55 to 85 days depending on the variety to mature.
Varieties to grow
30 varieties of tomatoes in the HomeSown library. Tap any for its full grow guide.
Common problems with tomatoes
What to watch for, with identification and treatment for each
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