Planting calendar — Lowell, MA

Plan your planting around the Lowell frost dates: average last spring frost: April 27, average first fall frost: October 14.

What to plant and when

Crop When to plant
Peas, lettuce, spinach, kale2-4 weeks before last frost (around April 27)
Broccoli, cabbage, carrots2-3 weeks before last frost
Potatoes, onions1-2 weeks before last frost
Tomatoes, peppers, basil1-2 weeks after last frost
Squash, cucumbers, beans1-2 weeks after last frost
Fall lettuce, radishes6-8 weeks before first fall frost
Garlic (overwinter)3-6 weeks before first fall frost

Full frost date statistics for Lowell →