When to plant summer squash / zucchini in Grand Rapids
Common questions
When can I sow summer squash / zucchini outdoors in Grand Rapids?
Direct-sow around early June (Jun 2–Jun 23) in Grand Rapids, based on its local frost dates. Confidence 84%.
When will summer squash / zucchini be ready to harvest in Grand Rapids?
Expect to harvest from around mid July (Jul 17–Aug 1) in Grand Rapids, based on its local frost dates. Confidence 78%.
When should I start summer squash / zucchini seeds indoors in Grand Rapids?
Start seeds indoors around early May (May 2–May 23) in Grand Rapids, based on its local frost dates. Confidence 83%.
When can I transplant summer squash / zucchini outdoors in Grand Rapids?
Transplant outdoors around early June (Jun 2–Jun 23) in Grand Rapids, based on its local frost dates. Confidence 84%.
How long is the growing season in Grand Rapids?
Grand Rapids has roughly 166 frost-free days, which is enough time to grow summer squash / zucchini to maturity outdoors.
Sow summer squash / zucchini 6–8 weeks before your last spring frost; plant out 2–3 weeks after it. Every date on this page is derived from that rule and Grand Rapids's frost dates.