Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By using the USDA zone info for Boston you will be able to estimate when you can plant swan river daisy.

Planting Calendar for Swan River Daisy

Frost tolerance for swan river daisy:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

You should not plant swan river daisy until after the last frost because they are not cold tolerant.

The earliest that you can plant swan river daisy in Boston is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant swan river daisy and expect a good harvest is probably August. You probably don't want to wait any later than that or else your swan river daisy may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your swan river daisy indoors.

Last Frost Date

The average date of last frost is April 15 in Boston. It might get as low as -5°F during the coldest months of winter.

Since the USDA zone info for Boston may not be accurate from year to year the actual date of last frost changes from year to year. Since half of the time in Boston there is a last frost after April 15 be ready to cover your swan river daisy if you have a late frost.

USDA Zone Info for Boston

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Boston

You may be interested in your other planting guides for Boston.