One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of making a decision about when to plant ageratum is to look at the USDA zone info for Flower Mound.

Planting Calendar for Ageratum

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

You should not plant ageratum until after the last frost because they do not do well in cold weather.

The earliest that you can plant ageratum in Flower Mound 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. You can get started a few weeks earlier by starting your ageratum indoors.

Last Frost Date

In Flower Mound the average date of last frost happens on March 15. You should expect an average low temperature of 10°F in the coldest months of winter.

Keep in mind that USDA zone info for Flower Mound is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Flower Mound there is a last frost after March 15 so always be ready to protect your ageratum in the event of one of those late frosts.

USDA Zone Info for Flower Mound

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 Flower Mound

You may be interested in your other planting guides for Flower Mound.