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Place calendarCrop Planting Dates in Central Illinois
Published planting and harvest windows for 36 crops in Central Illinois, in one calendar. Ranges only, with sources.
| Crop | Planting | Harvest |
|---|---|---|
| Asparagus | Planting: March 15 to April 15 | |
| Beets | Planting: April 10 to July 15 (Fall crop) | |
| Broccoli | Transplanting: April 10 to May 1, July 1 to 15 | |
| Bush Beans | Planting: May 10 to June 15 or July 15 to 30 | |
| Cabbage | Transplanting: April 10 to July 15 (Fall crop) | |
| Carrots | Planting: April 10 to July 15 (Fall crop) | |
| Cauliflower | Transplanting: April 10 to May 1, July 10 to 20 (Fall crop) | |
| Chard | Transplanting: April 10 to June 1, July 21 to August 1 | |
| Corn (home garden) | Planting: May 1 to July 1 | |
| Cucumber | Planting: May 10 to June 15 | |
| Eggplant | Transplanting: May 10 to June 15 | |
| Endive | Planting: April 1 to May 1, July 21 to Aug. 15 | |
| Garlic | Planting: October | |
| Green onions (sets) | Planting: March 25 to May 1 | |
| Kale | Transplanting: April 1 to 30, July 21 to Aug. 1 | |
| Kohlrabi | Planting: March 25 to April 5, July 1 | |
| Lettuce | Planting: April 1 to 30, July 1 to Aug. 31 | |
| Muskmelon | Planting: May 10 - June 10 | |
| Mustard | Planting: April 1 to 30, July 1 to Aug. 31 | |
| Okra | Transplanting: May 10 to June 15 | |
| Parsnip | Planting: May 1 to July 21 (Fall crop) | |
| Peas | Planting: March 12 to May 1 | |
| Pepper | Transplanting: May 10 to July 15 | |
| Pole Beans | Planting: May 10 to June 15 | |
| Potato | Planting: April 1 to 15 | |
| Pumpkin | Planting: May 10 to June 10 | |
| Radish | Planting: April 5 to June 1, Aug. 1 to 30 | |
| Rhubarb | Planting: March 25 to May 15, July 21 to Aug. 1 | |
| Rutabaga | Planting: May 1 to July 21 (Fall crop) | |
| Spinach | Planting: March 25 to April 15, July 21 to Aug. 30 | |
| Squash (summer) | Planting: May 10 to June 15 | |
| Squash (winter) | Planting: May 20 to June 1 | |
| Sweet Potato | Planting: May 10 to June 1 | |
| Tomato | Transplanting: May 10 to June 1 | |
| Turnip | Planting: May 1 to July 21, July 21 to Aug. 30 (Fall crop) | |
| Watermelon | Planting: May 10 to June 15 |
Calendar view
| Item | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Asparagus planting | Planting window in March | Planting window in April | ||||||||||
| Beets planting | Planting window in April | Planting window in May | Planting window in June | Planting window in July | ||||||||
| Broccoli transplanting | Transplanting window in April | Transplanting window in May | Transplanting window in July | |||||||||
| Bush Beans planting | Planting window in May | Planting window in June | Planting window in July | |||||||||
| Cabbage transplanting | Transplanting window in April | Transplanting window in May | Transplanting window in June | Transplanting window in July | ||||||||
| Carrots planting | Planting window in April | Planting window in May | Planting window in June | Planting window in July | ||||||||
| Cauliflower transplanting | Transplanting window in April | Transplanting window in May | Transplanting window in July | |||||||||
| Chard transplanting | Transplanting window in April | Transplanting window in May | Transplanting window in June | Transplanting window in July | Transplanting window in August | |||||||
| Corn (home garden) planting | Planting window in May | Planting window in June | Planting window in July | |||||||||
| Cucumber planting | Planting window in May | Planting window in June | ||||||||||
| Eggplant transplanting | Transplanting window in May | Transplanting window in June | ||||||||||
| Endive planting | Planting window in April | Planting window in May | Planting window in July | Planting window in August | ||||||||
| Garlic planting | Planting window in October | |||||||||||
| Green onions (sets) planting | Planting window in March | Planting window in April | Planting window in May | |||||||||
| Kale transplanting | Transplanting window in April | Transplanting window in July | Transplanting window in August | |||||||||
| Kohlrabi planting | Planting window in March | Planting window in April | ||||||||||
| Lettuce planting | Planting window in April | Planting window in July | Planting window in August | |||||||||
| Muskmelon planting | Timing in table above | |||||||||||
| Mustard planting | Planting window in April | Planting window in July | Planting window in August | |||||||||
| Okra transplanting | Transplanting window in May | Transplanting window in June | ||||||||||
| Parsnip planting | Planting window in May | Planting window in June | Planting window in July | |||||||||
| Peas planting | Planting window in March | Planting window in April | Planting window in May | |||||||||
| Pepper transplanting | Transplanting window in May | Transplanting window in June | Transplanting window in July | |||||||||
| Pole Beans planting | Planting window in May | Planting window in June | ||||||||||
| Potato planting | Planting window in April | |||||||||||
| Pumpkin planting | Planting window in May | Planting window in June | ||||||||||
| Radish planting | Planting window in April | Planting window in May | Planting window in June | Planting window in August | ||||||||
| Rhubarb planting | Planting window in March | Planting window in April | Planting window in May | Planting window in July | Planting window in August | |||||||
| Rutabaga planting | Planting window in May | Planting window in June | Planting window in July | |||||||||
| Spinach planting | Planting window in March | Planting window in April | Planting window in July | Planting window in August | ||||||||
| Squash (summer) planting | Planting window in May | Planting window in June | ||||||||||
| Squash (winter) planting | Planting window in May | Planting window in June | ||||||||||
| Sweet Potato planting | Planting window in May | Planting window in June | ||||||||||
| Tomato transplanting | Transplanting window in May | Transplanting window in June | ||||||||||
| Turnip planting | Planting window in May | Planting window in June | Planting window in July | Planting window in August | ||||||||
| Watermelon planting | Planting window in May | Planting window in June | ||||||||||
Frost-date caveat: published dates are averages. Find your own last and first frost dates and compare them with these ranges before you plant.
Last reviewed: November 2026. Source: Illinois Extension - When to Plant (Home Vegetable Gardening).