Before planting it is a good idea to find your USDA Zone info to estimate 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.

The earliest that you can plant ageratum in Bessemer City should be determined by referring to the USDA zone info.

Planting Calendar for Ageratum

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

Since ageratum require warm weather it's necessary to wait until after the last frost before you can plant them.

The earliest that you can plant ageratum in Bessemer City 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 few weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Bessemer City. You can expect an average low temperature of 5°F in the coldest months of winter.

Remember that USDA zone info for Bessemer City is just an average and the actual date of last frost will vary from year to year. Half of the time in Bessemer City there is a last frost after April 15 so make sure that you are prepared to cover your ageratum in the event of a late frost.

USDA Zone Info for Bessemer City

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 Bessemer City

You may be interested in your other planting guides for Bessemer City.