What Can Grow in Philadelphia, PA

Philadelphia's urban heat island and coastal influence create excellent growing conditions — one of the best East Coast cities.

Philadelphia, PA is in USDA Hardiness Zone 7a. The growing season lasts about 183 days, with last frost around March 28 and first fall frost around October 28. Top crops include tomatoes, peppers, eggplant.

7aUSDA Zone
183 daysFrost-Free
March 28Last Frost
October 28First Frost
🌱 What Grows in Philadelphia
tomatoespepperseggplantcornbeanssquash
💡 Planting Tips

Urban heat + coastal influence = excellent conditions. Plant warm crops April 10. Strong urban agriculture.

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📍 Full Zone 7a Guide 🌎 Pennsylvania Planting Guide

Frequently Asked Questions

Philadelphia, PA is in USDA Plant Hardiness Zone 7a. Philadelphia's urban heat island and coastal influence create excellent growing conditions — one of the best East Coast cities.

The average last spring frost in Philadelphia is around March 28. The first fall frost typically arrives around October 28, giving a frost-free growing season of approximately 183 days.

Philadelphia's Zone 7a climate supports growing tomatoes, peppers, eggplant, corn, beans, squash. Urban heat + coastal influence = excellent conditions. Plant warm crops April 10. Strong urban agriculture.

In Philadelphia, start with cool-season crops like lettuce, spinach, and broccoli a few weeks before the last frost date of March 28. Warm-season crops like tomatoes and peppers should go in after all frost risk has passed.