The growth zones of Illinois span from zones 5 through zone 7. It is possible to determine your Illinois hardiness planting zone by glancing at the map above and determining the approximate location in where you live. Simple, just compare the color-coded zones for your location with the zones shown in the legend on the right side of the map.
Planting zones in Illinois range from 5a to 7a, with the northern section of the state being at the lower end of the spectrum and the southern part being at the upper end.
What are the plant hardiness zones in Illinois?
- The Plant Hardiness Zone Map, developed by the United States Department of Agriculture, divides the country into 13 zones to assist gardeners and producers in selecting the most appropriate plants for their climate.
- Illinois is about 400 miles long and has five hardiness zones: 5a, 5b, 6a, 6b, and 7a.
- The state is divided into four regions: the Midwest, the Midwest Plains, and the Midwest Plains.
What zone is zone 6b in Illinois?
Zone 6b has temperatures ranging from -5°F to 0°F. Based on the USDA Hardiness Zone Map from 1990, this interactive version includes the state of Illinois, which spans USDA Zones 4b to 6b and falls between the two zones.
What is my growing zone in Illinois?
A Plant Hardiness Zone is a geographical designation for this. Southern Illinois is included in the climate zones 6a-7a. Central Illinois is included in the climate zones 5a-6a. Northern Illinois is included in the climate zones 5a-5b.
What flowering zone is Illinois?
Illinois is located in the USDA plant hardiness zones 5, 6, and 7.
What planting zone is Chicago area?
Chicago, Illinois is located in USDA Hardiness Zones 5 and 6, according to the United States Department of Agriculture.
When should I plant my garden in Illinois?
When it comes to spring planting, half-hardy crops can be planted as early as 2 to 3 weeks before the average date of the last 32 frost. Tender vegetables should be planted between the time of the last average 32-degree frost and one week beyond that. Very fragile crops should be planted 2 to 3 weeks after the previous average 32-degree chill, according to USDA guidelines.
What can I plant now in Illinois?
Carrots, kale, turnips, and radishes are examples of root vegetables. Warm-Season Vegetables: These crops do not grow well in colder temperatures and must be planted far beyond the typical last frost date in order to provide a good harvest. Tomatoes, squash, and peppers are just a few examples.
What planting zone is Naperville IL?
Naperville, Illinois is in USDA Hardiness Zone 5, which means it is quite cold in the winter.
What planting zone is Litchfield Il?
Litchfield, Illinois is located in USDA Hardiness Zones 6a and 6b respectively.
What does Zone 5b mean in gardening?
- Each zone subset is divided by 5 degrees Fahrenheit.
- The temperature range for Zone 5 is as follows: Zone 5 has a minimum average temperature range of -10° to -20°F.
- Zone 6 has a minimum average temperature range of -10° to -20°F.
- Zone 5a has a minimum average temperature ranging from -15° to -20° F.
- Zone 5b has a minimum average temperature ranging from -15° to -20° F.
- Zone 5b: The minimum average temperature in this subzone ranges from -10°F to -15°F.
What ashrae climate zone is Chicago?
- Six of the most densely inhabited and climatically different ASHRAE climate zones in the United States were selected for this study, with the most populous cities within those areas serving as the foundation for weather and building cost data.
- These cities include: Chicago (Climate Zone 5A), New York (4A), Seattle (4C), Los Angeles (3C), Houston (2A), and other cities in the United States are located in Climate Zones 5A, 4A, and 4C.
What planting zone is Rockford Illinois?
Rockford, Illinois is located in USDA Hardiness Zone 5 of the United States Department of Agriculture.