When to Plant Swiss Chard in Maine
In a typical Maine location, sow 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.
Fairly cold-hardy; direct sow 1-3 weeks before last frost. Tolerates light frost in fall too.
Swiss Chard Planting Dates by City
| City | Direct sow |
|---|---|
| Portland | Apr 5 – Apr 19 |
| Lewiston | Apr 4 – Apr 18 |
| Bangor | Apr 13 – Apr 27 |
| West Scarborough | Apr 5 – Apr 19 |
| South Portland | Apr 5 – Apr 19 |
| South Portland Gardens | Apr 5 – Apr 19 |
| Auburn | Apr 4 – Apr 18 |
| Biddeford | Apr 18 – May 2 |
| Sanford | Apr 25 – May 9 |
| Saco | Apr 18 – May 2 |
| Augusta | Apr 6 – Apr 20 |
| Westbrook | Apr 5 – Apr 19 |
| Waterville | Apr 11 – Apr 25 |
| Brunswick | Apr 11 – Apr 25 |
| York Beach | Apr 10 – Apr 24 |
| Wells Beach Station | Apr 18 – May 2 |
| Orono | Apr 10 – Apr 24 |
| Lisbon | Apr 24 – May 8 |
| North Bath | Apr 19 – May 3 |
| Brewer | Apr 13 – Apr 27 |
| Presque Isle | 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 Swiss chard in Maine?
In a typical Maine location, sow 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 Swiss chard take to grow?
Swiss Chard typically take 50–60 days from planting to harvest. Fairly cold-hardy; direct sow 1-3 weeks before last frost. Tolerates light frost in fall too.
Other Crops in Maine
- Tomatoes
- Peppers
- Eggplant
- Cucumbers
- Zucchini
- Winter Squash
- Pumpkins
- Watermelon
- Cantaloupe
- Corn
- Green Beans
- Peas
- Lettuce
- Spinach
- Kale
- Arugula
- Broccoli
- Cauliflower
- Cabbage
- Brussels Sprouts
- 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 Swiss chard in other states