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Zone 2a planting calendar and frost dates
In USDA hardiness zone 2a, the average last spring frost is May 20 and the average first fall frost is Sep 9, leaving about 112 frost-free days. To be 90% sure of no later frost, wait until about Jun 1 to plant tender crops. These are medians of 6 NOAA weather stations in zone 2a; their last-frost dates range from May 12 to May 26.
What to plant each month in zone 2a
February
Lavender (start indoors), Begonias (start indoors)
March
Tomatoes (start indoors), Bell peppers (start indoors), Kale (start indoors), Broccoli (start indoors), Cauliflower (start indoors), Cabbage (start indoors), Brussels sprouts (start indoors), Onions (start indoors), Basil (start indoors), Sage (start indoors), Coleus (start indoors), Marigolds (start indoors), Foxglove (start indoors), Coneflowers (start indoors), Bee balm (start indoors)
April
Potatoes (plant), Watermelon (start indoors), Peas (plant), Lettuce (start indoors), Lettuce (plant), Spinach (plant), Kale (plant), Broccoli (plant), Cabbage (plant), Brussels sprouts (plant), Carrots (plant), Beets (plant), Radishes (plant), Onions (plant), Asparagus (plant), Strawberries (plant), Blueberries (plant), Blackberries (plant), Dahlias (start indoors), Caladiums (start indoors), Rose bushes (plant), Wildflower seeds (plant)
May
Tomatoes (plant), Pumpkins (plant), Cucumbers (plant), Zucchini (plant), Green beans (plant), Sweet corn (plant), Cauliflower (plant), Basil (plant), Cilantro (plant), Dill (plant), Sage (plant), Lavender (plant), Borage (plant), Catmint (plant), Gladiolus (plant), Dahlias (plant), Begonias (plant), Marigolds (plant), Zinnias (plant), Sunflowers (plant), Cosmos (plant), Mums (plant), Hydrangeas (plant), Foxglove (plant), Coneflowers (plant), Bee balm (plant), Hostas (plant), Sedum (plant)
June
Bell peppers (plant), Okra (plant), Watermelon (plant), Green beans (plant for fall), Sweet potatoes (plant), Peas (plant for fall), Kale (plant for fall), Broccoli (plant for fall), Cauliflower (plant for fall), Carrots (plant for fall), Caladiums (plant), Coleus (plant), Lantana (plant), Jasmine (plant), Grass seed (plant)
July
Lettuce (plant for fall), Spinach (plant for fall), Beets (plant for fall), Radishes (plant for fall), Cilantro (plant for fall), Sage (plant for fall), Lavender (plant for fall), Catmint (plant for fall), Strawberries (plant for fall), Blueberries (plant for fall), Mums (plant for fall), Hydrangeas (plant for fall), Rose bushes (plant for fall), Peonies (plant), Iris (plant), Foxglove (plant for fall), Coneflowers (plant for fall), Bee balm (plant for fall), Hostas (plant for fall), Sedum (plant for fall), Grass seed (plant for fall)
August
Tulips (plant), Daffodils (plant)
September
Garlic (plant), Wildflower seeds (plant for fall)
Zone 2a planting dates for every plant
| Plant | Start indoors | Plant outdoors | Fall planting |
|---|---|---|---|
| Tomatoes | Mar 25 – Apr 8 | May 27 – Jun 10 | – |
| Bell peppers | Mar 11 – Mar 25 | Jun 3 – Jun 17 | – |
| Potatoes | – | Apr 22 – May 13 | – |
| Pumpkins | – | May 27 – Jun 10 | – |
| Cucumbers | – | May 27 – Jun 10 | – |
| Okra | – | Jun 3 – Jun 24 | – |
| Zucchini | – | May 27 – Jun 10 | – |
| Watermelon | Apr 22 – Apr 29 | Jun 3 – Jun 17 | – |
| Green beans | – | May 27 – Jun 10 | Jun 24 – Jul 8 |
| Sweet corn | – | May 27 – Jun 10 | – |
| Sweet potatoes | – | Jun 10 – Jun 24 | – |
| Peas | – | Apr 8 – Apr 29 | Jun 17 – Jul 8 |
| Lettuce | Apr 8 – Apr 22 | Apr 22 – May 13 | Jul 15 – Aug 5 |
| Spinach | – | Apr 8 – Apr 29 | Jul 15 – Aug 5 |
| Kale | Mar 25 – Apr 8 | Apr 15 – May 6 | Jun 17 – Jul 8 |
| Broccoli | Mar 25 – Apr 8 | Apr 29 – May 13 | Jun 10 – Jul 1 |
| Cauliflower | Mar 25 – Apr 8 | May 6 – May 20 | Jun 10 – Jul 1 |
| Cabbage | Mar 25 – Apr 8 | Apr 22 – May 6 | – |
| Brussels sprouts | Mar 25 – Apr 8 | Apr 29 – May 13 | – |
| Carrots | – | Apr 29 – May 20 | Jun 17 – Jul 1 |
| Beets | – | Apr 22 – May 13 | Jul 1 – Jul 15 |
| Radishes | – | Apr 8 – May 6 | Jul 29 – Aug 12 |
| Onions | Mar 11 – Mar 25 | Apr 22 – May 6 | – |
| Garlic | – | – | Sep 9 – Oct 7 |
| Asparagus | – | Apr 22 – May 13 | – |
| Basil | Mar 25 – Apr 8 | May 27 – Jun 10 | – |
| Cilantro | – | May 6 – May 27 | Jul 15 – Aug 12 |
| Dill | – | May 20 – Jun 3 | – |
| Sage | Mar 25 – Apr 8 | May 20 – Jun 10 | Jul 15 – Jul 29 |
| Lavender | Feb 25 – Mar 11 | May 27 – Jun 17 | Jul 1 – Jul 15 |
| Borage | – | May 20 – Jun 3 | – |
| Catmint | – | May 20 – Jun 10 | Jul 15 – Jul 29 |
| Strawberries | – | Apr 22 – May 13 | Jul 29 – Aug 12 |
| Blueberries | – | Apr 22 – May 13 | Jul 15 – Aug 12 |
| Blackberries | – | Apr 22 – May 13 | – |
| Tulips | – | – | Aug 26 – Oct 7 |
| Daffodils | – | – | Aug 12 – Sep 23 |
| Gladiolus | – | May 20 – Jun 3 | – |
| Dahlias | Apr 8 – Apr 22 | May 27 – Jun 10 | – |
| Caladiums | Apr 8 – Apr 22 | Jun 10 – Jun 24 | – |
| Begonias | Feb 25 – Mar 25 | May 27 – Jun 10 | – |
| Coleus | Mar 11 – Mar 25 | Jun 3 – Jun 17 | – |
| Marigolds | Mar 25 – Apr 8 | May 20 – Jun 3 | – |
| Zinnias | – | May 27 – Jun 10 | – |
| Sunflowers | – | May 27 – Jun 10 | – |
| Cosmos | – | May 20 – Jun 3 | – |
| Mums | – | May 20 – Jun 10 | Jul 15 – Jul 29 |
| Lantana | – | Jun 3 – Jun 17 | – |
| Hydrangeas | – | May 20 – Jun 3 | Jul 15 – Jul 29 |
| Rose bushes | – | Apr 22 – May 20 | Jul 15 – Jul 29 |
| Peonies | – | – | Jul 29 – Sep 9 |
| Iris | – | – | Jul 1 – Jul 29 |
| Foxglove | Mar 11 – Mar 25 | May 6 – May 27 | Jul 15 – Jul 29 |
| Coneflowers | Mar 11 – Mar 25 | May 20 – Jun 10 | Jul 15 – Jul 29 |
| Bee balm | Mar 11 – Mar 25 | May 20 – Jun 10 | Jul 15 – Jul 29 |
| Hostas | – | May 6 – Jun 3 | Jul 29 – Aug 12 |
| Sedum | – | May 20 – Jun 10 | Jul 15 – Jul 29 |
| Jasmine | – | Jun 3 – Jun 17 | – |
| Wildflower seeds | – | Apr 22 – May 13 | Sep 9 – Oct 21 |
| Grass seed | – | Jun 17 – Jul 15 | Jul 8 – Jul 29 |
Places in zone 2a
Weather stations used for this zone include Denali 27 N, AK; Fairbanks 11 Ne, AK; Kaltag, AK; Mcgrath, AK; Nenana, AK; Northway, AK.
Zone 2a frost dates by state: Alaska