Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Shorewood you can figure out when you can plant calliopsis by referring to the USDA zone info.

Planting Calendar for Calliopsis

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

Calliopsis do not do well in cold weather which means that you need to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant calliopsis in Shorewood 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 calliopsis and expect a good harvest is probably August. Any later than that and your calliopsis may not have a chance to really do well. If you are starting your calliopsis indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

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

Since the USDA zone info for Shorewood is an average the actual date of last frost is different every year. Half of the time in Shorewood you get a frost after April 15 so be sure to be ready to cover your calliopsis if you have a surprise late frost.

USDA Zone Info for Shorewood

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Shorewood

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