FrostCal

When to Plant Broccoli in Alaska

In a typical Alaska location, start seeds indoors Mar 28 – Apr 11, then transplant outdoors Apr 25 – May 2. Across the state, the outdoor planting window starts as early as Mar 14 in Ketchikan and as late as May 21 in Kalifornsky. For a fall crop, plant around Jul 22 – Jul 29.

Method Start indoors, then transplant
Days to maturity 55–80 days

Start indoors 5-7 weeks before last frost; transplant out 2-3 weeks before last frost (hardens off to light frost).

Broccoli Planting Dates by City

CityStart indoorsTransplantFall planting
AnchorageMar 13 – Mar 27Apr 10 – Apr 17Jul 28 – Aug 4
FairbanksMar 28 – Apr 11Apr 25 – May 2Jul 5 – Jul 12
JuneauMar 2 – Mar 16Mar 30 – Apr 6Aug 20 – Aug 27
Eagle RiverMar 21 – Apr 4Apr 18 – Apr 25Jul 25 – Aug 1
BadgerApr 3 – Apr 17May 1 – May 8Jul 1 – Jul 8
Knik-FairviewMar 30 – Apr 13Apr 27 – May 4Jul 19 – Jul 26
CollegeMar 30 – Apr 13Apr 27 – May 4Jul 5 – Jul 12
WasillaMar 28 – Apr 11Apr 25 – May 2Jul 22 – Jul 29
SitkaMar 15 – Mar 29Apr 12 – Apr 19Aug 16 – Aug 23
LakesMar 28 – Apr 11Apr 25 – May 2Jul 22 – Jul 29
KetchikanFeb 14 – Feb 28Mar 14 – Mar 21Sep 7 – Sep 14
TanainaMar 28 – Apr 11Apr 25 – May 2Jul 22 – Jul 29
KalifornskyApr 23 – May 7May 21 – May 28Jun 30 – Jul 7
KenaiApr 5 – Apr 19May 3 – May 10Jul 11 – Jul 18
Meadow LakesMar 28 – Apr 11Apr 25 – May 2Jul 22 – Jul 29
PalmerMar 18 – Apr 1Apr 15 – Apr 22Jul 24 – Jul 31
Elmendorf Air Force BaseMar 21 – Apr 4Apr 18 – Apr 25Jul 25 – Aug 1
BethelApr 2 – Apr 16Apr 30 – May 7Jul 21 – Jul 28
KodiakMar 11 – Mar 25Apr 8 – Apr 15Aug 12 – Aug 19
SterlingApr 1 – Apr 15Apr 29 – May 6Jul 20 – Jul 27

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 broccoli in Alaska?

In a typical Alaska location, start seeds indoors Mar 28 – Apr 11, then transplant outdoors Apr 25 – May 2. Across the state, the outdoor planting window starts as early as Mar 14 in Ketchikan and as late as May 21 in Kalifornsky. For a fall crop, plant around Jul 22 – Jul 29.

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 broccoli take to grow?

Broccoli typically take 55–80 days from planting to harvest. Start indoors 5-7 weeks before last frost; transplant out 2-3 weeks before last frost (hardens off to light frost).

Other Crops in Alaska

When to plant broccoli in other states

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