What Can Grow in Lewiston, ME

Lewiston in the Androscoggin River valley has slightly warmer conditions than coastal areas.

Lewiston, ME is in USDA Hardiness Zone 5a. The growing season lasts about 140 days, with last frost around May 3 and first fall frost around October 18. Top crops include tomatoes, kale, potatoes.

5aUSDA Zone
140 daysFrost-Free
May 3Last Frost
October 18First Frost
🌱 What Grows in Lewiston
tomatoeskalepotatoesbeetscarrotsbeans
💡 Planting Tips

River valley adds warmth. Grow tomatoes in sheltered spots. Focus on cool-season crops.

🌱
Shop seeds matched to your zone Burpee, Park Seed, and more — curated for your growing conditions.
Shop Seeds →
🔗 More Resources
📍 Full Zone 5a Guide 🌎 Maine Planting Guide

Frequently Asked Questions

Lewiston, ME is in USDA Plant Hardiness Zone 5a. Lewiston in the Androscoggin River valley has slightly warmer conditions than coastal areas.

The average last spring frost in Lewiston is around May 3. The first fall frost typically arrives around October 18, giving a frost-free growing season of approximately 140 days.

Lewiston's Zone 5a climate supports growing tomatoes, kale, potatoes, beets, carrots, beans. River valley adds warmth. Grow tomatoes in sheltered spots. Focus on cool-season crops.

In Lewiston, start with cool-season crops like lettuce, spinach, and broccoli a few weeks before the last frost date of May 3. Warm-season crops like tomatoes and peppers should go in after all frost risk has passed.