The USDA Zone info is a great tool for gardeners to help us determine 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.

In Urbana you can determine when it's possible to plant plectranthus by checking out the USDA zone info.

Planting Calendar for Plectranthus

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

It's probably 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 Urbana 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. You probably don't want to wait any later than that or else your plectranthus may not have a chance to grow to maturity. Starting your plectranthus indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Urbana the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -15°F.

Remember that USDA zone info for Urbana may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Urbana last frost occurs after April 15 be ready to cover your plectranthus if you have one of those late frosts.

USDA Zone Info for Urbana

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 Urbana

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