One of the best tools that you have as gardeners to help us figure out your gardening schedule is the 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.

In Canton you can estimate when it's a good idea to plant blue throatwort by reviewing 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 has passed.

You should not plant blue throatwort until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant blue throatwort in Canton 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. You probably don't want to wait any later than that or else 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

In Canton the average date of last frost happens on April 15. You should expect an average low temperature of 5°F in the coldest months of winter.

Always keep in mind that USDA zone info for Canton may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Canton you get surprised by a frost after April 15 so make sure that you are ready to protect your blue throatwort if you have a late frost.

USDA Zone Info for Canton

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 Canton

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