Before planting it is a good idea to find your USDA Zone info to figure out 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 USDA zone info for Beverly should be looked at to determine when it's the best time to plant blue throatwort.

Planting Calendar for Blue Throatwort

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

Since blue throatwort are not cold tolerant it is necessary to wait until after the last frost has passed before you can plant them.

The earliest that you can plant blue throatwort in Beverly 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 really do well. You can get started a few weeks earlier by starting your blue throatwort indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Beverly. In the coldest months of winter you can expect an average low temperature of -5°F.

Since the USDA zone info for Beverly may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Beverly you get a frost after April 15 be ready to protect your blue throatwort if you have one of those late frosts.

USDA Zone Info for Beverly

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 Beverly

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