One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of estimating when you can plant plectranthus is to use the USDA zone info for Johnson City.

Planting Calendar for Plectranthus

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

You really shouldn't plant plectranthus until after the last frost when the weather gets warmer because they require warm weather.

The earliest that you can plant plectranthus in Johnson City 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 grow to maturity. If you are starting your plectranthus indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Johnson City. It might get as low as -15°F during the coldest months of winter.

Since the USDA zone info for Johnson City is just an average the actual date of last frost changes from year to year. Since half of the time in Johnson City last frost occurs after April 15 be ready to protect your plectranthus in the event of a surprise late frost.

USDA Zone Info for Johnson City

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 Johnson City

You may be interested in your other planting guides for Johnson City.