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.

It's possible to estimate when it's the best time to plant ageratum by reviewing the USDA zone info for Maysville.

Planting Calendar for Ageratum

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

Since ageratum require warm weather you really should wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant ageratum in Maysville 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 fully mature. If you are starting your ageratum indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

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

Since the USDA zone info for Maysville is just an average the actual date of last frost changes from year to year. Half of the time in Maysville it frosts late in the year after April 15 so make sure that you are ready to cover your ageratum in the event of a late frost.

USDA Zone Info for Maysville

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 Maysville

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