The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's possible to figure out when it's a good idea to plant blue throatwort by looking at the USDA zone info for Kendallville.

Planting Calendar for Blue Throatwort

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

Since blue throatwort require warm weather you need to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant blue throatwort in Kendallville 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 fully mature. 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 is on April 15 in Kendallville. It might get as low as -15°F during the coldest months of winter.

Since the USDA zone info for Kendallville is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Kendallville it frosts late in the year after April 15 so make sure that you are ready to protect your blue throatwort if you have a surprise late frost.

USDA Zone Info for Kendallville

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Kendallville

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