When to plant Zucchini
Sow summer squash a week after last frost. One or two plants feed a family, pick young and often.
When to plant Zucchini by zone
| Zone | Start seeds indoors | Sow or transplant | Harvest |
|---|---|---|---|
| Zone 3 | not needed | May 22 | July 16 |
| Zone 4 | not needed | May 17 | July 11 |
| Zone 5 | not needed | May 7 | July 1 |
| Zone 6 | not needed | April 28 | June 22 |
| Zone 7 | not needed | April 17 | June 11 |
| Zone 8 | not needed | April 4 | May 29 |
| Zone 9 | not needed | March 8 | May 2 |
| Zone 10 | not needed | February 7 | April 3 |
| Zone 11 | not needed | January 8 | March 4 |
These dates use typical frost dates for each zone. Dibble tunes them to your exact ZIP and lets you adjust frost dates for your own yard.
Companion plants
Good neighbors for Zucchini:
Better kept apart:
Family and rotation
Zucchini is in the cucurbits family. Sprawling heavy feeders. Rotate away from where squash family grew last year. Learn about crop rotation.
Related crops
Cucumber
When to plantWinter Squash
When to plantCantaloupe
When to plantWatermelon
When to plantPumpkin
When to plantTomato
When to plantQuestions
When should I plant zucchini?
It depends on your zone. Zucchini is a tender crop, so the timing follows your last spring frost. Look up your zone in the table below for exact start, sow, and harvest dates, or open Dibble and enter your ZIP to get your own calendar.
How long does zucchini take to grow?
About 55 days from sowing to the first harvest, with a picking window of roughly 42 days after that.
What grows well with zucchini?
Good companions include Bean (bush), Sweet Corn, Marigold, Nasturtium. Keep it away from Potato.
Plant at the right time this season
Dibble builds your calendar in under a minute. Free to start, no account needed.