Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Gurnee you can figure out when it's the best time to plant begonias by using the USDA zone info.

Planting Calendar for Begonias

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

It's a bad idea to plant begonias until after all chance of frost has passed because they do not do well in cold weather.

The earliest that you can plant begonias in Gurnee 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 begonias and expect a good harvest is probably August. You probably don't want to wait any later than that or else your begonias may not have a chance to grow to maturity. If you are starting your begonias indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Gurnee. You should expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Gurnee may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Gurnee last frost occurs after April 15 so be sure to be ready to protect your begonias in the event of a surprise late frost.

USDA Zone Info for Gurnee

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 Gurnee

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