When to Plant Browallia in Oak Forest, IL

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.

A way of figuring out when it's the best time to plant browallia is to look at the USDA zone info for Oak Forest.


Planting Calendar for Browallia

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

Since browallia require warm weather you must wait until after the last frost has passed before you can plant them.

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

The earliest that you can plant browallia in Oak Forest 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 browallia and expect a good harvest is probably August. Any later than that and your browallia may not have a chance to fully mature. You can get started a few weeks earlier by starting your browallia indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Oak Forest. It might get as low as -15°F during the coldest months of winter.

Since the USDA zone info for Oak Forest is just an average the actual date of last frost will vary from year to year. Half of the time in Oak Forest it frosts late in the year after April 15 so make sure that you are ready to cover your browallia if you have a surprise late frost.

USDA Zone Info for Oak Forest

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 Oak Forest

You may be interested in your other planting guides for Oak Forest.