What Can Grow in Springfield, IL

Springfield in central Illinois has excellent growing conditions with rich prairie soils and warm summers.

Springfield, IL is in USDA Hardiness Zone 5b. The growing season lasts about 155 days, with last frost around April 20 and first fall frost around October 18. Top crops include tomatoes, peppers, corn.

5bUSDA Zone
155 daysFrost-Free
April 20Last Frost
October 18First Frost
🌱 What Grows in Springfield
tomatoespepperscornbeanssquashsweet potatoes
💡 Planting Tips

Prairie soils are rich. Plant warm crops after May 1. Good conditions for pumpkins.

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📍 Full Zone 5b Guide 🌎 Illinois Planting Guide

Frequently Asked Questions

Springfield, IL is in USDA Plant Hardiness Zone 5b. Springfield in central Illinois has excellent growing conditions with rich prairie soils and warm summers.

The average last spring frost in Springfield is around April 20. The first fall frost typically arrives around October 18, giving a frost-free growing season of approximately 155 days.

Springfield's Zone 5b climate supports growing tomatoes, peppers, corn, beans, squash, sweet potatoes. Prairie soils are rich. Plant warm crops after May 1. Good conditions for pumpkins.

In Springfield, start with cool-season crops like lettuce, spinach, and broccoli a few weeks before the last frost date of April 20. Warm-season crops like tomatoes and peppers should go in after all frost risk has passed.