AMSEED American Seed Intelligence Platform

Growing in Minneapolis

USDA zone (2023)
4b-5a
Median last frost
May 1
Median first frost
October 5
Growing season
~157 days

Frost dates are medians from NOAA climate normals: in half of years, frost comes later. The windows below are computed from each crop's planting rules against this city's dates, treat them as the center of the target, not the edges.

Tomato in Minneapolis

StepWindowNotes
Start seed indoorsMarch 6 to March 20Start seed indoors 6-8 weeks before the median last spring frost.
Transplant outMay 8 to May 29soil ≥ 60°F. Set transplants out 1-4 weeks after the last-frost date, once soil holds 60°F.

Pepper in Minneapolis

StepWindowNotes
Start seed indoorsFebruary 20 to March 6Peppers germinate slowly and need 8-10 weeks indoors, longer than tomatoes.
Transplant outMay 15 to May 29soil ≥ 65°F. Peppers sulk in cold soil; waiting a week past the tomato date usually pays.

Other crops with rules for this climate

Data sources

Evidence: 2 sources, all independent references.

  1. USDA Plant Hardiness Zone Map (2023) · USDA Agricultural Research Service / Oregon State PRISM (2023), University or Government
  2. U.S. Climate Normals (1991-2020) · NOAA National Centers for Environmental Information (2021), University or Government