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

The USDA zone info for Bloomingdale should be looked at to determine when it's a good idea to plant calliopsis.

Planting Calendar for Calliopsis

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

You should not plant calliopsis until after all chance of frost has passed because they require warm weather.

The earliest that you can plant calliopsis in Bloomingdale 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 fully mature. You can get started a little bit earlier by starting your calliopsis indoors.

Last Frost Date

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

Always keep in mind that USDA zone info for Bloomingdale is not always accurate and the actual date of last frost is different every year. Since half of the time in Bloomingdale it frosts late in the year after April 15 be ready to cover your calliopsis if you have a surprise late frost.

USDA Zone Info for Bloomingdale

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 Bloomingdale

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