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.

In Merrill you can figure out when to plant swan river daisy by referring to the USDA zone info.

Planting Calendar for Swan River Daisy

Frost tolerance for swan river daisy:	Not tolerant of frost.
When to plant:	After the last frost has passed.

Swan River Daisy require warm weather which tells us that it's necessary to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant swan river daisy in Merrill is May. However, you really should wait until June 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. If you wait any later than that and your swan river daisy may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your swan river daisy indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on May 15 in Merrill. It might get as low as -30°F during the coldest months of winter.

Since the USDA zone info for Merrill is not always accurate the actual date of last frost is different every year. Half of the time in Merrill last frost occurs after May 15 so be sure to be ready to protect your swan river daisy in the event of a surprise late frost.

USDA Zone Info for Merrill

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Merrill

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