Zones 6a.
Quincy, Illinois is in USDA Hardiness Zones 6a.
What is my planting zone in Illinois?
This is called a Plant Hardiness Zone. Southern Illinois is in Zones 6a-7a. Central Illinois is in Zones 5a-6a. Northern Illinois is in Zones 5a-5b.
Which climate zone is Illinois in?
Most of Illinois has a humid continental climate (Köppen climate classification Dfa) with hot, humid summers and cool to cold winters.
What planting zone is Springfield Illinois in?
Zone 5
Springfield, Illinois is located in USDA Hardiness Zone 5. Planting vegetable seeds or transplants at the correct time is important for getting the most out of your garden. Knowing your first and last frost dates will help you start your vegetable seeds at the right time.
What zone is Lake County IL?
Lake County, Illinois is in USDA Hardiness Zones 5b.
What can I plant now in Illinois?
Step 6 – Plant Your Vegetables Right
| Vegetable | Hardiness | Recommended planting period for central Illinois (b) |
|---|---|---|
| Squash, summer | Very Tender | May 10-June 15 |
| Squash, winter | Very Tender | May 20-June 1 |
| Sweet potato | Very Tender | May 10-June 1 |
| Tomato | Very Tender | May 10-June 1 |
What zone for flowers is Illinois in?
Illinois planting zones fall between 5a and 7a, with the northern part of the state being at the lower end of the range. Before planning a garden, it is important to research planting zones specific to the region you will be growing in.
What is the warmest city in Illinois?
Cairo, Illinois
Warmest: Cairo, Illinois
A city in the southern part of the state, Cairo takes the lead in average annual temp with 68 degrees.
Why is it so humid in Illinois?
In agricultural states, such as Illinois, large-scale fields of corn releasing water through their leaves boost humidity levels, making people feel hotter. One acre of corn can add between 3,000 to 4,000 gallons of water a day to the atmosphere, according to the U.S. Geological Survey.
What’s the hottest it’s ever been in Illinois?
117 degrees
On the morning of July 14, 1954, residents of southern Illinois arose to face yet another scorching day of 100‐degree heat. By late afternoon, East St. Louis was nearly burned off the map when it reached 117 degrees—the hottest temperature ever recorded in Illinois.
What zone is Naperville IL?
Zone 5
Naperville, Illinois is located in USDA Hardiness Zone 5.
What zone is Peoria IL?
Zone 5
Peoria, Illinois is located in USDA Hardiness Zone 5.
What zone is Chicago in?
Chicago, Illinois is located in USDA Hardiness Zone 5 and Zone 6.
Chicago, Illinois: Zone 6.
| Kohlrabi | |
| Spring: Start Seeds Indoors | 2/14 |
| Spring: Direct Sow/Transplant | 3/28 |
| Fall: Start Seeds Indoors | Direct Sow |
What zone is Rockford IL?
Zone 5
Rockford, Illinois is located in USDA Hardiness Zone 5.
What zone is Bloomington IL?
5b
Bloomington, Illinois is in USDA Hardiness Zones 5b.
What zone is Champaign IL?
Champaign, Illinois is in USDA Hardiness Zones 5b.
When should I start planting in Illinois?
In most cases, the best time to start seeds is approximately six weeks prior to the last frost date. In both Bloomingdale and Carpentersville, that lands somewhere around May 21-31 every year.
What month should you start a garden?
According to Witz, late summer or early fall is the perfect time for “tilling the ground and adding organic matter, like compost or manure, to improve soil structure and nutrient levels,” because “the cold winter months provide ample time for the organic matter to break down and mingle with the dirt.”
How long is the growing season in Illinois?
Jim Angel, state climatologist
The average length of the growing season varies from about 190 days in far southern Illinois to 160 days in far northern Illinois. Of course, the actual length can vary from year to year.
Is Mint a perennial in Zone 5?
Perennial Herbs for Zone 5 and Up
Fresh cilantro, mint tea, colorful chive flowers, and tangy dill sauce.
What gardening zone is Schaumburg Illinois?
5b
Schaumburg, Illinois is in USDA Hardiness Zones 5b.