Lawn Guardian

When to Plant Zucchini

Cucurbita pepo

vegetableZones 3–11beginner

Incredibly prolific summer squash that produces abundantly with minimal care. Bush varieties work well in smaller spaces. Harvest young for best flavor and texture.

Planting calendar

Start seeds indoors

3 weeks before your last spring frost.

Direct sow / transplant

2 weeks after your last spring frost.

2-3 plants are enough for a family; succession plant for extended harvest

Spacing & harvest

Companion planting

Plant near

Keep away from

Get zucchini planting dates for your exact zone

Lawn Guardian turns this guidance into a schedule timed to your USDA zone and this week's actual weather — and adapts every time you log what you've done.

Get your free plan
Sources: Purdue University Turfgrass Science: Use Growing Degree Days to Better Time Your Applications · University of Missouri Extension: Cool-Season Grasses: Lawn Maintenance Calendar · University of Minnesota Extension: Pre-emergent Herbicides for Crabgrass Control in Lawns