The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The best time to plant ageratum in Brunswick can be figured out by checking out the USDA zone info.

Planting Calendar for Ageratum

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

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

The earliest that you can plant ageratum in Brunswick 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. You can get started a little bit earlier by starting your ageratum indoors.

Last Frost Date

On average the last frost has passed is on February 15 in Brunswick. In the coldest months of winter you can expect an average low temperature of 20°F.

Since the USDA zone info for Brunswick is not always accurate the actual date of last frost is different every year. Half of the time in Brunswick last frost occurs after February 15 so be sure to be ready to cover your ageratum if you have a late frost.

USDA Zone Info for Brunswick

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 Brunswick

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