FrostCal

When to Plant Zucchini in Alaska

In a typical Alaska location, start seeds indoors Apr 25 – May 2, then sow outdoors May 23 – Jun 6, then transplant outdoors May 23 – May 30. Across the state, the outdoor planting window starts as early as Apr 11 in Ketchikan and as late as Jun 18 in Kalifornsky.

Method Direct sow
Days to maturity 45–55 days

Fast-growing squash; direct sow 1-3 weeks after last frost, or start indoors 2-3 weeks early for a head start.

Zucchini Planting Dates by City

CityStart indoorsDirect sowTransplant
AnchorageApr 10 – Apr 17May 8 – May 22May 8 – May 15
FairbanksApr 25 – May 2May 23 – Jun 6May 23 – May 30
JuneauMar 30 – Apr 6Apr 27 – May 11Apr 27 – May 4
Eagle RiverApr 18 – Apr 25May 16 – May 30May 16 – May 23
BadgerMay 1 – May 8May 29 – Jun 12May 29 – Jun 5
Knik-FairviewApr 27 – May 4May 25 – Jun 8May 25 – Jun 1
CollegeApr 27 – May 4May 25 – Jun 8May 25 – Jun 1
WasillaApr 25 – May 2May 23 – Jun 6May 23 – May 30
SitkaApr 12 – Apr 19May 10 – May 24May 10 – May 17
LakesApr 25 – May 2May 23 – Jun 6May 23 – May 30
KetchikanMar 14 – Mar 21Apr 11 – Apr 25Apr 11 – Apr 18
TanainaApr 25 – May 2May 23 – Jun 6May 23 – May 30
KalifornskyMay 21 – May 28Jun 18 – Jul 2Jun 18 – Jun 25
KenaiMay 3 – May 10May 31 – Jun 14May 31 – Jun 7
Meadow LakesApr 25 – May 2May 23 – Jun 6May 23 – May 30
PalmerApr 15 – Apr 22May 13 – May 27May 13 – May 20
Elmendorf Air Force BaseApr 18 – Apr 25May 16 – May 30May 16 – May 23
BethelApr 30 – May 7May 28 – Jun 11May 28 – Jun 4
KodiakApr 8 – Apr 15May 6 – May 20May 6 – May 13
SterlingApr 29 – May 6May 27 – Jun 10May 27 – Jun 3

Showing the 20 most populous of 20 Alaska cities. Dates are estimates from each city's NOAA frost normals and university extension timing guidelines. See all Alaska cities.

Frequently Asked Questions

When should I plant zucchini in Alaska?

In a typical Alaska location, start seeds indoors Apr 25 – May 2, then sow outdoors May 23 – Jun 6, then transplant outdoors May 23 – May 30. Across the state, the outdoor planting window starts as early as Apr 11 in Ketchikan and as late as Jun 18 in Kalifornsky.

When is the last frost in Alaska?

The average last spring frost in Alaska ranges from April 4 in Ketchikan to June 11 in Kalifornsky, based on NOAA 1991–2020 climate normals.

How long do zucchini take to grow?

Zucchini typically take 45–55 days from planting to harvest. Fast-growing squash; direct sow 1-3 weeks after last frost, or start indoors 2-3 weeks early for a head start.

Other Crops in Alaska

When to plant zucchini in other states

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