When to Plant Radishes in Alaska
In a typical Alaska location, sow outdoors Apr 11 – Apr 25. Across the state, the outdoor planting window starts as early as Feb 28 in Ketchikan and as late as May 7 in Kalifornsky. For a fall crop, plant around Aug 12 – Aug 26.
Very fast and cold-hardy; direct sow 3-5 weeks before last frost, as soon as soil can be worked.
Radishes Planting Dates by City
| City | Direct sow | Fall planting |
|---|---|---|
| Anchorage | Mar 27 – Apr 10 | Aug 18 – Sep 1 |
| Fairbanks | Apr 11 – Apr 25 | Jul 26 – Aug 9 |
| Juneau | Mar 16 – Mar 30 | Sep 10 – Sep 24 |
| Eagle River | Apr 4 – Apr 18 | Aug 15 – Aug 29 |
| Badger | Apr 17 – May 1 | Jul 22 – Aug 5 |
| Knik-Fairview | Apr 13 – Apr 27 | Aug 9 – Aug 23 |
| College | Apr 13 – Apr 27 | Jul 26 – Aug 9 |
| Wasilla | Apr 11 – Apr 25 | Aug 12 – Aug 26 |
| Sitka | Mar 29 – Apr 12 | Sep 6 – Sep 20 |
| Lakes | Apr 11 – Apr 25 | Aug 12 – Aug 26 |
| Ketchikan | Feb 28 – Mar 14 | Sep 28 – Oct 12 |
| Tanaina | Apr 11 – Apr 25 | Aug 12 – Aug 26 |
| Kalifornsky | May 7 – May 21 | Jul 21 – Aug 4 |
| Kenai | Apr 19 – May 3 | Aug 1 – Aug 15 |
| Meadow Lakes | Apr 11 – Apr 25 | Aug 12 – Aug 26 |
| Palmer | Apr 1 – Apr 15 | Aug 14 – Aug 28 |
| Elmendorf Air Force Base | Apr 4 – Apr 18 | Aug 15 – Aug 29 |
| Bethel | Apr 16 – Apr 30 | Aug 11 – Aug 25 |
| Kodiak | Mar 25 – Apr 8 | Sep 2 – Sep 16 |
| Sterling | Apr 15 – Apr 29 | Aug 10 – Aug 24 |
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 radishes in Alaska?
In a typical Alaska location, sow outdoors Apr 11 – Apr 25. Across the state, the outdoor planting window starts as early as Feb 28 in Ketchikan and as late as May 7 in Kalifornsky. For a fall crop, plant around Aug 12 – Aug 26.
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 radishes take to grow?
Radishes typically take 22–30 days from planting to harvest. Very fast and cold-hardy; direct sow 3-5 weeks before last frost, as soon as soil can be worked.
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
- Brussels Sprouts
- Carrots
- Beets
- Turnips
- Onions
- Garlic
- Potatoes
- Sweet Potatoes
- Asparagus
- Basil
- Cilantro
- Parsley
- Dill
- Oregano
- Thyme
- Sunflowers
- Zinnias
- Marigolds
- Cosmos
- Nasturtiums
- Dahlias
When to plant radishes in other states