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Cauliflower planting and harvest datesCauliflower Planting Dates in Central Illinois
Usual cauliflower planting periods in Central Illinois, shown as ranges with their source. Use them to frame a plan, then adjust for your own frost dates and soil temperature.
| Activity | Window | Source | Last verified |
|---|---|---|---|
| Transplanting | April 10 to May 1, July 10 to 20 (Fall crop) | source | 2026-11-11 |
| Item | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Transplanting | Transplanting window in April | Transplanting window in May | Transplanting window in July |
What these dates mean in Central Illinois
Transplanting usually runs about 22 days, from Apr 10 to May 1.
That start date is about 49 days earlier than the middle of the 4 places in this data set that report cauliflower transplanting dates (May 29).
Frost-date caveat: these are published ranges for Central Illinois. A northern or high-elevation site will run later than a southern or low one, and a cold wet spring can push planting past the window. Planting dates are a general guide; frost dates and local conditions vary. Check your last spring frost and soil temperature, and confirm with your county extension office.
Related guides
Cauliflower dates in other places
- Arkansas
- Central Florida
- Central North Carolina
- Central Oregon
- Central and higher-elevation Eastern Oregon
- Columbia and Snake River valleys, Oregon
- Eastern North Carolina
- Maricopa County, Arizona
- Minnesota
- New Hampshire
- Northern Illinois
- Oregon Coast
- South Florida
- Southern Illinois
- Western North Carolina
- Western Oregon
- Western valleys (Portland, Roseburg, Medford), Oregon
Other crops in Central Illinois
- Asparagus
- Beets
- Broccoli
- Bush Beans
- Cabbage
- Carrots
- Chard
- Corn (home garden)
- Cucumber
- Eggplant
- Endive
- Garlic
- Green onions (sets)
- Kale
- Kohlrabi
- Lettuce
- Muskmelon
- Mustard
- Okra
- Parsnip
- Peas
- Pepper
- Pole Beans
- Potato
- Pumpkin
- Radish
- Rhubarb
- Rutabaga
- Spinach
- Squash (summer)
- Squash (winter)
- Sweet Potato
- Tomato
- Turnip
- Watermelon
Last reviewed: November 2026. Source: Illinois Extension - When to Plant (Home Vegetable Gardening).