The lower your zone number, the colder it is. The most recent cold hardiness zone map was released in 2012 and most of Minnesota is in USDA Zone 4, which means the extreme low temperature in the zone gets to between -20 F and -30 F. The northern third or so of the state is in zone 3 (-30 to -40).Mar 17, 2021
Hennepin County, Minnesota is in USDA Hardiness Zones 4b and 5a.
The lower your zone number, the colder it is. The most recent cold hardiness zone map was released in 2012 and most of Minnesota is in USDA Zone 4, which means the extreme low temperature in the zone gets to between -20 F and -30 F. The northern third or so of the state is in zone 3 (-30 to -40).
The USDA plant hardiness map for 2012 indicates that Minnesota growing zones include 3a and 3b in the northerly regions, 4a in the middle of the state and 4b in the south. An extremely tiny pocket of warmer winter low temperatures exists in the most southerly location and is categorized as 5a.
Duluth, Minnesota is in USDA Hardiness Zones 4a and 4b.
USDA Zone 8 covers most of the Pacific Northwest and a great swath of the American South, including Texas and Florida.
Planting. Start tomatoes from seeds indoors, five to six weeks before planting outside. In most of Minnesota, this is mid-April.
Vegetable Gardening in Zone 3
Both fresh organic produce and herbs can be grown in zone 3 from May through to the middle of October provided the gardener has selected cool weather varieties and gives the crops protection from frost.
Zones 1 through 3 have a very short planting window due to the frigid temperatures. Plant in the warmer times of the year. Zones 4 to 7 it is best to plant a few weeks before the first frost. Zones 8 to 11 can plant perennials almost any time of the year but it is best to plant when it is cooler.
|1961-1990 zone||1981-2010 hardiness index|
|Last Order Date||9/14/2021|
The Plant Hardiness Zones divide the United States and Canada into 11 areas based on a 10 degree Fahrenheit difference in the average annual minimum temperature. … Suggested hardiness zones have been indicated for all trees and perennials available online from the Foundation.
In Michigan, our hardiness zones range from 4a in the western Upper Peninsula and northern Lower Peninsula, to 6b in the southeast and along the Lake Michigan lakeshore. East Lansing, Michigan is in zone 5b (-10 to -15 F) (Figure 2).
The average low temperatures for zone 1 are -60 to -50, for zone 2 are -50 to -40, for zone 3 are -40 to -30, for zone 4 are -30 to -20, for zone 5 are -20 to -10, for zone 6 are -10 to 0, for zone 7 are 0 to 10, for zone 8 are 10 to 20, for zone 9 are 20 to 30, for zone 10 are 30 to 40, for zone 11 are 40 to 50, for …
Zones 9 to 11 in the United States encompass such areas as Texas, California, Louisiana, Florida, and other southern areas of the states. Their characteristics regarding water vary, however, which is also a consideration when choosing plants.
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