Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Lomita you can determine when it's the best time to plant ageratum by using the USDA zone info.

Planting Calendar for Ageratum

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

Ageratum do not do well in cold weather which tells us that you must wait until it warms up after the last frost before you can plant them.

The earliest that you can plant ageratum in Lomita 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. Any later than that and your ageratum may not have a chance to really do well. You can get started a little bit earlier by starting your ageratum indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on January 31 in Lomita. In the coldest months of winter you should expect an average low temperature of 35°F.

Since the USDA zone info for Lomita is an average the actual date of last frost is different every year. Half of the time in Lomita it frosts late in the year 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 Lomita

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Lomita

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