One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can determine when you can plant plectranthus in Clarendon Hills by referring to the USDA zone info.

Planting Calendar for Plectranthus

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

Since plectranthus require warm weather it's important to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant plectranthus in Clarendon Hills 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. If you wait any later than that and your plectranthus may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your plectranthus indoors.

Last Frost Date

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

Always keep in mind that USDA zone info for Clarendon Hills is just an average and the actual date of last frost will vary from year to year. Half of the time in Clarendon Hills it frosts late in the year after April 15 so be sure to be ready to cover your plectranthus in the event of a late frost.

USDA Zone Info for Clarendon Hills

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 Clarendon Hills

You may be interested in your other planting guides for Clarendon Hills.