The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You will be able to figure out when it's possible to plant ageratum by reviewing the USDA zone info for Green Cove Springs.

Planting Calendar for Ageratum

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

It's probably not a good idea to plant ageratum until after the last frost because they require warm weather.

The earliest that you can plant ageratum in Green Cove Springs 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 fully mature. Starting your ageratum indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is February 15 in Green Cove Springs. It might get as low as 20°F during the coldest months of winter.

Since the USDA zone info for Green Cove Springs is not always accurate the actual date of last frost changes from year to year. Half of the time in Green Cove Springs it frosts late in the year after February 15 so always be ready to cover your ageratum in the event of a late frost.

USDA Zone Info for Green Cove Springs

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Green Cove Springs

You may be interested in your other planting guides for Green Cove Springs.