DibbleGrowing winter squash: from seed to harvest
Give winter squash and pumpkins room to roam. Sow once the soil is warm and nights stay mild, timing it so the fruit ripens in dry weather. Cure the mature fruit in the sun before storing.
Planting dates for winter squash by zone
| Zone | Start seeds indoors | Sow or transplant | Harvest |
|---|---|---|---|
| Zone 3 | not needed | May 31 | August 21 |
| Zone 4 | not needed | May 24 | August 7 |
| Zone 5 | not needed | May 18 | July 24 |
| Zone 6 | not needed | May 15 | July 24 |
| Zone 7 | not needed | May 2 | July 9 |
| Zone 8 | not needed | April 11 | June 9 |
| Zone 9 | not needed | September 5 | May 20 |
| Zone 10 | not needed | February 6 | April 26 |
| Zone 11 | not needed | October 3 | March 10 |
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 Winter Squash:
Better kept apart:
Family and rotation
Winter Squash 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 plantZucchini
When to plantCantaloupe
When to plantWatermelon
When to plantPumpkin
When to plantTomato
When to plant
Questions
When should I plant winter squash?
It depends on your zone. Winter Squash 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 winter squash?
About 100 days from sowing to the first harvest, with a picking window of roughly 21 days after that.
What grows well with winter squash?
Good companions include Sweet Corn, Bean (bush), Marigold. 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.