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

You will be able to estimate when you can plant blue throatwort by using the USDA zone info for Hamlet.

Planting Calendar for Blue Throatwort

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

Blue Throatwort are not cold tolerant which tells us that you need to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant blue throatwort in Hamlet 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. Starting your blue throatwort indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Hamlet. You can expect an average low temperature of 5°F in the coldest months of winter.

Always keep in mind that USDA zone info for Hamlet may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in Hamlet you get surprised by a frost after April 15 so make sure that you are ready to cover your blue throatwort in the event of a late frost.

USDA Zone Info for Hamlet

Here is the info for USDA Zone 7b.

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

Plants to Grow in Hamlet

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