The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can estimate when it's possible to plant plectranthus in Downers Grove by reviewing the USDA zone info.

Planting Calendar for Plectranthus

Frost tolerance for plectranthus:	Not tolerant of frost.
When to plant:	After the last frost has passed.

It's a bad idea to plant plectranthus until after all chance of frost has passed because they require warm weather.

The earliest that you can plant plectranthus in Downers Grove 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 plectranthus and expect a good harvest is probably August. Any later than that and your plectranthus may not have a chance to fully mature. Starting your plectranthus 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 Downers Grove. In the coldest months of winter you can expect an average low temperature of -15°F.

Since the USDA zone info for Downers Grove is not always accurate the actual date of last frost changes from year to year. Since half of the time in Downers Grove you get a frost after April 15 be ready to cover your plectranthus if you have one of those late frosts.

USDA Zone Info for Downers Grove

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 Downers Grove

You may be interested in your other planting guides for Downers Grove.