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When to plant zucchini in Zone 6

In Zone 6, the last spring frost usually passes around April 21 and the first fall frost arrives around October 17, leaving about 179 frost-free days. The windows below are computed from those frost dates, with the same math the Dibble app uses.

Generous season. Spring and fall plantings both productive.

Last spring frost: April 21First fall frost: October 17Frost-free days: 179Days to maturity: 55Hardiness: Tender

Planting windows for zucchini in Zone 6

When to plant zucchini in Zone 6
TaskWindow
Direct sowApr 28 to May 12
Estimated harvestJun 22 to Aug 3

The harvest estimate counts 55 days to maturity, then a picking window of about 42 days. These windows use typical frost dates for Zone 6; Dibble pins them to your exact ZIP code.

Get reminders for these exact dates

Dibble turns your ZIP code into a full planting calendar and reminds you on the right day. Free to start, no account needed.

How to grow zucchini

Sow summer squash a week after last frost. One or two plants feed a family, pick young and often.

Companion plants

Good neighbors for Zucchini:

Bean (bush)Sweet CornMarigoldNasturtium

Better kept apart:

Potato

Zucchini in nearby zones

Zucchini in Zone 5

Dated planting windows

Zucchini in Zone 7

Dated planting windows

Keep exploring

Zucchini: the full growing guide · The Zone 6 planting calendar · Every crop and zone


Plant at the right time this season

Dibble builds your calendar in under a minute. Free to start, no account needed.

Dates are estimates based on typical frost dates for the zone. Your yard has its own microclimate, so use them as a starting point and adjust as you learn your space.