Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The best time to plant plectranthus in Steubenville can be estimated 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 are not cold tolerant you have to wait until after the last frost has passed before you can plant them.

The earliest that you can plant plectranthus in Steubenville 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 fully mature. Starting your plectranthus indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost is on April 15 in Steubenville. You can expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for Steubenville is an average the actual date of last frost is different every year. Half of the time in Steubenville it frosts late in the year after April 15 so make sure that you are ready to protect your plectranthus if you have one of those late frosts.

USDA Zone Info for Steubenville

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Steubenville

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