One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Farmersville can be reviewed to determine when it's the best time to plant ageratum.

Planting Calendar for Ageratum

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

You really shouldn't plant ageratum until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant ageratum in Farmersville is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant ageratum and expect a good harvest is probably September. Any later than that and your ageratum may not have a chance to really do well. If you are starting your ageratum indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost is on February 15 in Farmersville. It might get as low as 25°F during the coldest months of winter.

Since the USDA zone info for Farmersville is just an average the actual date of last frost will vary from year to year. Half of the time in Farmersville it frosts late in the year after February 15 so always be ready to cover your ageratum in the event of a surprise late frost.

USDA Zone Info for Farmersville

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Farmersville

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