One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first opportunity to plant ageratum in Forsyth should be determined by looking at 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 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 Forsyth 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. If you are starting your ageratum indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is March 15 in Forsyth. It might get as low as 10°F during the coldest months of winter.

Remember that USDA zone info for Forsyth is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Forsyth you get a frost after March 15 so be sure to be ready to cover your ageratum in the event of one of those late frosts.

USDA Zone Info for Forsyth

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

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

Plants to Grow in Forsyth

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