Food Plot Calculator

State planting guide

IllinoisFood Plots: What to Plant & When

Illinois is prime whitetail country — cereal rye, oats, and brassicas anchor fall plots, while soybeans and corn deliver heavy tonnage downstate.

Planting region
Northern (cool-season) · transition zone
USDA zones
5–7
Fall plots
Late Aug–mid Sep
Spring plots
May–Jun
SourcedRates cross-checked against the National Deer Association, UT & NC State Extension, and the MSU Deer Lab.Reviewed May 2026Methodology
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Cool season

Best fall & winter food plots in Illinois

Plant late August through mid-September — roughly 45–60 days before your average first hard frost. Tap any crop for its Illinois seeding rate, bag count, and lime estimate.

Illinois food plot planting dates

CropWhen to plant (IL)Rate (broadcast)
Cereal Ryelate Aug–Sep120–150 lbs/ac
Winter WheatAug–Sep90–120 lbs/ac
OatsAug (for fall plot; winterkill is expected in North Zone 5+) or Apr–May (spring plot)120–150 lbs/ac
Brassica Blend (5-way)Jul–early Aug6–8 lbs/ac
Purple-Top TurnipJul–Aug4–5 lbs/ac
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Warm season

Best spring & summer plots in Illinois

Plant May into June, once the last frost has passed and the soil warms for summer forage and fall draw.

Soil & lime in Illinois

Whatever you plant, a soil test comes first. Most untouched Illinoisground is too acidic for food plots, which locks up fertilizer and stunts growth. Lime to about pH 6.5, then fertilize to the crop's needs. Estimate your lime and read the soil test guide.

Illinois food plot FAQ

What can I plant for deer in Illinois?
Illinois sits in the northern planting region (USDA zones 5–7). For fall and winter, plant cool-season crops like cereal rye, winter wheat, oats; for spring and summer, warm-season crops like soybeans (forage type), corn (field corn), sunflowers. Illinois is prime whitetail country — cereal rye, oats, and brassicas anchor fall plots, while soybeans and corn deliver heavy tonnage downstate.
When should I plant a fall food plot in Illinois?
In Illinois, plant fall food plots late August through mid-September — roughly 45–60 days before your average first hard frost. This gives cool-season grains, brassicas, and clover time to establish before cold weather and the hunting season.
When can I plant a spring or summer food plot in Illinois?
Plant warm-season Illinois plots May into June, once the last frost has passed and the soil warms. Soybeans, cowpeas, and other summer crops need warm soil to germinate well.
What's the best food plot for Illinois?
The most reliable Illinois plot is a cool-season blend — a cereal grain (cereal rye) plus a brassica and a clover. Soybeans (forage type) and other warm-season crops make strong summer plots on larger ground.
What USDA hardiness zone is Illinois?
Most of Illinois falls within USDA hardiness zones 5–7. Zones vary with elevation, so check your local zone for the most precise planting dates.

Where to buy seed for a Illinois plot

Stock up online: Cereal Rye and Winter Wheat seed, a broadcast spreader, and pelletized lime.

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Size your plot

Pick any crop above, or use the food plot calculator to get exact seed, bags, and lime for your Illinois acreage.

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