When to Plant Brussels Sprouts in Maine
In a typical Maine location, start seeds indoors Mar 14 – Mar 28, then transplant outdoors Apr 11 – Apr 25. Across the state, the outdoor planting window starts as early as Apr 4 in Lewiston and as late as Apr 25 in Sanford.
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 |
|---|---|---|
| Portland | Mar 8 – Mar 22 | Apr 5 – Apr 19 |
| Lewiston | Mar 7 – Mar 21 | Apr 4 – Apr 18 |
| Bangor | Mar 16 – Mar 30 | Apr 13 – Apr 27 |
| West Scarborough | Mar 8 – Mar 22 | Apr 5 – Apr 19 |
| South Portland | Mar 8 – Mar 22 | Apr 5 – Apr 19 |
| South Portland Gardens | Mar 8 – Mar 22 | Apr 5 – Apr 19 |
| Auburn | Mar 7 – Mar 21 | Apr 4 – Apr 18 |
| Biddeford | Mar 21 – Apr 4 | Apr 18 – May 2 |
| Sanford | Mar 28 – Apr 11 | Apr 25 – May 9 |
| Saco | Mar 21 – Apr 4 | Apr 18 – May 2 |
| Augusta | Mar 9 – Mar 23 | Apr 6 – Apr 20 |
| Westbrook | Mar 8 – Mar 22 | Apr 5 – Apr 19 |
| Waterville | Mar 14 – Mar 28 | Apr 11 – Apr 25 |
| Brunswick | Mar 14 – Mar 28 | Apr 11 – Apr 25 |
| York Beach | Mar 13 – Mar 27 | Apr 10 – Apr 24 |
| Wells Beach Station | Mar 21 – Apr 4 | Apr 18 – May 2 |
| Orono | Mar 13 – Mar 27 | Apr 10 – Apr 24 |
| Lisbon | Mar 27 – Apr 10 | Apr 24 – May 8 |
| North Bath | Mar 22 – Apr 5 | Apr 19 – May 3 |
| Brewer | Mar 16 – Mar 30 | Apr 13 – Apr 27 |
| Presque Isle | Mar 26 – Apr 9 | Apr 23 – May 7 |
Showing the 21 most populous of 21 Maine cities. Dates are estimates from each city's NOAA frost normals and university extension timing guidelines. See all Maine cities.
Frequently Asked Questions
When should I plant Brussels sprouts in Maine?
In a typical Maine location, start seeds indoors Mar 14 – Mar 28, then transplant outdoors Apr 11 – Apr 25. Across the state, the outdoor planting window starts as early as Apr 4 in Lewiston and as late as Apr 25 in Sanford.
When is the last frost in Maine?
The average last spring frost in Maine ranges from April 25 in Lewiston to May 16 in Sanford, 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 Maine
- 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