Before planting it is a good idea to find your USDA Zone info to figure out 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.

A common way of determining when it's a good idea to plant calliopsis is to check out the USDA zone info for Lakeville.

Planting Calendar for Calliopsis

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

Since calliopsis require warm weather it's important to wait until after the last frost before you can plant them.

The earliest that you can plant calliopsis in Lakeville 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 calliopsis and expect a good harvest is probably August. You probably don't want to wait any later than that or else your calliopsis may not have a chance to really do well. You can get started a few weeks earlier by starting your calliopsis indoors.

Last Frost Date

The average date of last frost is May 15 in Lakeville. It might get as low as -25°F during the coldest months of winter.

Keep in mind that USDA zone info for Lakeville is an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Lakeville you get surprised by a frost after May 15 be ready to cover your calliopsis in the event of a surprise late frost.

USDA Zone Info for Lakeville

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Lakeville

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