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

In Sebastian you can figure out when it's possible to plant ageratum 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 do not do well in cold weather you must wait until after the last frost before you can plant them.

The earliest that you can plant ageratum in Sebastian is February. However, you really should wait until March 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. If you wait any later than that and your ageratum may not have a chance to grow to maturity. Starting your ageratum indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average all chance of frost has passed is on January 31 in Sebastian. It might get as low as 30°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Sebastian is an average and the actual date of last frost is different every year. Half of the time in Sebastian you get surprised by a frost after January 31 so make sure that you are ready to protect your ageratum if you have a surprise late frost.

USDA Zone Info for Sebastian

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Sebastian

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