When can I plant Streptocarpella in Evanston, IL

One of the best tools that we have as gardeners to help us figure out our gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for our area.

You can determine when it's a good idea to plant streptocarpella in Evanston by looking at the USDA zone info.


Planting Calendar for Streptocarpella

Frost tolerance for streptocarpella: Not tolerant of frost.
When you should plant them: After all chance of frost has passed.

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

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant streptocarpella
Possibly ok, but a risky time to plant streptocarpella
Probably not a good time to plant streptocarpella

The earliest that you can plant streptocarpella in Evanston 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 really do well. Starting your streptocarpella indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Evanston. In the coldest months of winter we can expect an average low temperature of -15°F.

Since the USDA zone info for Evanston is an average our actual date of last frost changes from year to year. Half of the time in Evanston there is a last frost after April 15 so make sure that you are ready to protect your streptocarpella if we have a late frost.

USDA Zone Info for Evanston

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 Evanston

You may be interested in our other planting guides for Evanston.