One of the best tools that you have as gardeners to help us estimate 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.

The best time to plant blue throatwort in Middletown should be figured out by checking out 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.

Since blue throatwort do not do well in cold weather it's important to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant blue throatwort in Middletown 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 couple of weeks earlier by starting your blue throatwort indoors.

Last Frost Date

The average date of last frost is April 15 in Middletown. It might get as low as -5°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Middletown is an average and the actual date of last frost is different every year. Half of the time in Middletown you get a frost after April 15 so just be sure to be ready to protect your blue throatwort if you have one of those late frosts.

USDA Zone Info for Middletown

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 Middletown

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