Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Greensburg you can determine when you can plant blue throatwort by referring to the USDA zone info.

Planting Calendar for Blue Throatwort

Frost tolerance for blue throatwort:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

It's probably not a good idea to plant blue throatwort until after all chance of frost has passed because they do not do well in cold weather.

The earliest that you can plant blue throatwort in Greensburg 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 blue throatwort and expect a good harvest is probably August. Any later than that and your blue throatwort may not have a chance to grow to maturity. You can get started a little bit earlier by starting your blue throatwort indoors.

Last Frost Date

The average date of last frost is April 15 in Greensburg. In the coldest months of winter you should expect an average low temperature of -10°F.

Remember that USDA zone info for Greensburg is just an average and the actual date of last frost changes from year to year. Since half of the time in Greensburg you get surprised by a frost after April 15 be ready to cover your blue throatwort if you have a surprise late frost.

USDA Zone Info for Greensburg

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Greensburg

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