The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Kennett you can figure out when it's the best time to plant ageratum by reviewing the USDA zone info.

Planting Calendar for Ageratum

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

Since ageratum do not do well in cold weather you have to wait until after the last frost before you can plant them.

The earliest that you can plant ageratum in Kennett 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 ageratum and expect a good harvest is probably August. Any later than that and your ageratum may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your ageratum indoors.

Last Frost Date

The average date of last frost is April 15 in Kennett. In the coldest months of winter you should expect an average low temperature of 0°F.

Since the USDA zone info for Kennett is just an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Kennett you get a frost after April 15 be ready to protect your ageratum in the event of one of those late frosts.

USDA Zone Info for Kennett

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Kennett

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