When to Plant Swiss Chard in New Hampshire
In a typical New Hampshire location, sow outdoors Apr 12 – Apr 26. Across the state, the outdoor planting window starts as early as Mar 31 in Salem and as late as Apr 23 in Berlin.
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 |
|---|---|
| Manchester | Apr 9 – Apr 23 |
| Nashua | Apr 9 – Apr 23 |
| Concord | Apr 17 – May 1 |
| East Concord | Apr 17 – May 1 |
| Derry Village | Apr 9 – Apr 23 |
| Dover | Apr 12 – Apr 26 |
| Rochester | Apr 9 – Apr 23 |
| Salem | Mar 31 – Apr 14 |
| Merrimack | Apr 9 – Apr 23 |
| Keene | Apr 23 – May 7 |
| Derry | Apr 9 – Apr 23 |
| Portsmouth | Apr 13 – Apr 27 |
| Bedford | Mar 31 – Apr 14 |
| Laconia | Apr 9 – Apr 23 |
| Lebanon | Apr 18 – May 2 |
| Windham | Apr 12 – Apr 26 |
| Claremont | Apr 23 – May 7 |
| Pelham | Apr 12 – Apr 26 |
| Somersworth | Apr 9 – Apr 23 |
| Londonderry | Mar 31 – Apr 14 |
| Durham | Apr 17 – May 1 |
| Hampton | Apr 13 – Apr 27 |
| Berlin | Apr 23 – May 7 |
| Exeter | Apr 13 – Apr 27 |
Showing the 24 most populous of 24 New Hampshire cities. Dates are estimates from each city's NOAA frost normals and university extension timing guidelines. See all New Hampshire cities.
Frequently Asked Questions
When should I plant Swiss chard in New Hampshire?
In a typical New Hampshire location, sow outdoors Apr 12 – Apr 26. Across the state, the outdoor planting window starts as early as Mar 31 in Salem and as late as Apr 23 in Berlin.
When is the last frost in New Hampshire?
The average last spring frost in New Hampshire ranges from April 21 in Salem to May 14 in Berlin, 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 New Hampshire
- 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