Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Tupelo you can determine when it's the best time to plant ageratum by checking out the USDA zone info.

Planting Calendar for Ageratum

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

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

The earliest that you can plant ageratum in Tupelo 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. If you wait any later than that and your ageratum may not have a chance to fully mature. Starting your ageratum indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Tupelo. You should expect an average low temperature of 5°F in the coldest months of winter.

Since the USDA zone info for Tupelo is just an average the actual date of last frost is different every year. Half of the time in Tupelo it frosts late in the year after April 15 so just be sure to be ready to cover your ageratum in the event of one of those late frosts.

USDA Zone Info for Tupelo

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 Tupelo

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