When to Plant Brussels Sprouts in Alaska
In a typical Alaska location, start seeds indoors Mar 28 – Apr 11, then transplant outdoors Apr 25 – May 9. Across the state, the outdoor planting window starts as early as Mar 14 in Ketchikan and as late as May 21 in Kalifornsky.
Long-season crop best timed to mature after a light fall frost for sweetest flavor; start indoors 5-7 weeks before last frost.
Brussels Sprouts Planting Dates by City
| City | Start indoors | Transplant |
|---|---|---|
| Anchorage | Mar 13 – Mar 27 | Apr 10 – Apr 24 |
| Fairbanks | Mar 28 – Apr 11 | Apr 25 – May 9 |
| Juneau | Mar 2 – Mar 16 | Mar 30 – Apr 13 |
| Eagle River | Mar 21 – Apr 4 | Apr 18 – May 2 |
| Badger | Apr 3 – Apr 17 | May 1 – May 15 |
| Knik-Fairview | Mar 30 – Apr 13 | Apr 27 – May 11 |
| College | Mar 30 – Apr 13 | Apr 27 – May 11 |
| Wasilla | Mar 28 – Apr 11 | Apr 25 – May 9 |
| Sitka | Mar 15 – Mar 29 | Apr 12 – Apr 26 |
| Lakes | Mar 28 – Apr 11 | Apr 25 – May 9 |
| Ketchikan | Feb 14 – Feb 28 | Mar 14 – Mar 28 |
| Tanaina | Mar 28 – Apr 11 | Apr 25 – May 9 |
| Kalifornsky | Apr 23 – May 7 | May 21 – Jun 4 |
| Kenai | Apr 5 – Apr 19 | May 3 – May 17 |
| Meadow Lakes | Mar 28 – Apr 11 | Apr 25 – May 9 |
| Palmer | Mar 18 – Apr 1 | Apr 15 – Apr 29 |
| Elmendorf Air Force Base | Mar 21 – Apr 4 | Apr 18 – May 2 |
| Bethel | Apr 2 – Apr 16 | Apr 30 – May 14 |
| Kodiak | Mar 11 – Mar 25 | Apr 8 – Apr 22 |
| Sterling | Apr 1 – Apr 15 | Apr 29 – May 13 |
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 Brussels sprouts in Alaska?
In a typical Alaska location, start seeds indoors Mar 28 – Apr 11, then transplant outdoors Apr 25 – May 9. Across the state, the outdoor planting window starts as early as Mar 14 in Ketchikan and as late as May 21 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 Brussels sprouts take to grow?
Brussels Sprouts typically take 90–110 days from planting to harvest. Long-season crop best timed to mature after a light fall frost for sweetest flavor; start indoors 5-7 weeks before last frost.
Other Crops in Alaska
- Tomatoes
- Peppers
- Eggplant
- Cucumbers
- Zucchini
- Winter Squash
- Pumpkins
- Watermelon
- Cantaloupe
- Corn
- Green Beans
- Peas
- Lettuce
- Spinach
- Kale
- Arugula
- Swiss Chard
- Broccoli
- Cauliflower
- Cabbage
- Carrots
- Beets
- Radishes
- Turnips
- Onions
- Garlic
- Potatoes
- Sweet Potatoes
- Asparagus
- Basil
- Cilantro
- Parsley
- Dill
- Oregano
- Thyme
- Sunflowers
- Zinnias
- Marigolds
- Cosmos
- Nasturtiums
- Dahlias
When to plant Brussels sprouts in other states