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

In Rhinelander you can figure out when it's possible to plant swan river daisy by looking at the USDA zone info.

Planting Calendar for Swan River Daisy

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

You really shouldn't plant swan river daisy until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant swan river daisy in Rhinelander 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. Any later than that and 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 May 15 in Rhinelander. It might get as low as -30°F during the coldest months of winter.

Since the USDA zone info for Rhinelander is not always accurate the actual date of last frost will vary from year to year. Half of the time in Rhinelander last frost occurs after May 15 so make sure that you are ready to cover your swan river daisy in the event of a late frost.

USDA Zone Info for Rhinelander

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 Rhinelander

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