One of the first steps you take when you are making a decision about 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 figure out when you can plant calliopsis in Johnson City by using the USDA zone info.

Planting Calendar for Calliopsis

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

It's probably a bad idea to plant calliopsis until after the last frost when the weather gets warmer because they do not do well in cold weather.

The earliest that you can plant calliopsis 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 calliopsis and expect a good harvest is probably August. You probably don't want to wait any later than that or else your calliopsis may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your calliopsis indoors.

Last Frost Date

The average date of last frost is April 15 in Johnson City. You can expect an average low temperature of 0°F in the coldest months of winter.

It's important to remember that USDA zone info for Johnson City is an average and the actual date of last frost changes from year to year. Since half of the time in Johnson City you get surprised by a frost after April 15 be ready to cover your calliopsis in the event of a late frost.

USDA Zone Info for Johnson City

Here is the info for USDA Zone 7a.

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

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

Plants to Grow in Johnson City

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