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.

It's a good idea to figure out when it's a good idea to plant streptocarpella by reviewing the USDA zone info for Calumet City.

Planting Calendar for Streptocarpella

Frost tolerance for streptocarpella:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Since streptocarpella do not do well in cold weather it is important to wait until after all chance of frost has passed before you can plant them.

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

Last Frost Date

On average all chance of frost has passed is on April 15 in Calumet City. It might get as low as -10°F during the coldest months of winter.

Since the USDA zone info for Calumet City is not always accurate the actual date of last frost will vary from year to year. Half of the time in Calumet City there is a last frost after April 15 so make sure that you are prepared to protect your streptocarpella if you have a surprise late frost.

USDA Zone Info for Calumet City

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Calumet City

You may be interested in your other planting guides for Calumet City.