DibbleGrowing zucchini: from seed to harvest
Sow zucchini once the soil is warm. One or two plants feed a family: pick young and often. In humid weather give the plants room, so the leaves dry quickly.
Planting dates for zucchini by zone
| Zone | Start seeds indoors | Sow or transplant | Harvest |
|---|---|---|---|
| Zone 3 | not needed | May 31 | July 27 |
| Zone 4 | not needed | May 24 | July 15 |
| Zone 5 | not needed | May 18 | July 2 |
| Zone 6 | not needed | May 10 | July 3 |
| Zone 7 | not needed | April 26 | June 21 |
| Zone 8 | not needed | April 1 | May 20 |
| Zone 9 | not needed | March 9 | April 27 |
| Zone 10 | not needed | February 25 | May 5 |
| Zone 11 | not needed | June 23 | February 18 |
Each date is the start of the best window from the same climate engine the Dibble app uses, run at typical places in each zone. Dibble tunes them to your garden's own location 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 plant
Questions
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 set where your garden is to get your own calendar.
How long does it take to grow zucchini?
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.