What Can Grow in Allentown, PA

Allentown in the Lehigh Valley has excellent agricultural conditions with warm summers.

Allentown, PA is in USDA Hardiness Zone 6b. The growing season lasts about 168 days, with last frost around April 18 and first fall frost around October 20. Top crops include tomatoes, peppers, corn.

6bUSDA Zone
168 daysFrost-Free
April 18Last Frost
October 20First Frost
🌱 What Grows in Allentown
tomatoespepperscornbeansmushroomsapples
💡 Planting Tips

Lehigh Valley agricultural richness. Excellent for mushrooms. Plant warm crops April 20.

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🔗 More Resources
📍 Full Zone 6b Guide 🌎 Pennsylvania Planting Guide

Frequently Asked Questions

Allentown, PA is in USDA Plant Hardiness Zone 6b. Allentown in the Lehigh Valley has excellent agricultural conditions with warm summers.

The average last spring frost in Allentown is around April 18. The first fall frost typically arrives around October 20, giving a frost-free growing season of approximately 168 days.

Allentown's Zone 6b climate supports growing tomatoes, peppers, corn, beans, mushrooms, apples. Lehigh Valley agricultural richness. Excellent for mushrooms. Plant warm crops April 20.

In Allentown, start with cool-season crops like lettuce, spinach, and broccoli a few weeks before the last frost date of April 18. Warm-season crops like tomatoes and peppers should go in after all frost risk has passed.