When to plant winter squash / pumpkin in Grand Rapids
Common questions
When can I sow winter squash / pumpkin 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 winter squash / pumpkin be ready to harvest in Grand Rapids?
Expect to harvest from around late August (Aug 26–Sep 30) in Grand Rapids, based on its local frost dates. Confidence 78%.
When should I start winter squash / pumpkin seeds indoors in Grand Rapids?
Start seeds indoors around late April (Apr 25–May 16) in Grand Rapids, based on its local frost dates. Confidence 83%.
When can I transplant winter squash / pumpkin 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 winter squash / pumpkin to maturity outdoors.
Sow winter squash / pumpkin 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.