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

A common way of getting a good idea when you can plant ageratum is to use the USDA zone info for Huntington Park.

Planting Calendar for Ageratum

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

Ageratum require warm weather which means that it is necessary to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant ageratum in Huntington Park 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 fully mature. If you are starting your ageratum indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average all chance of frost has passed is on January 31 in Huntington Park. It might get as low as 35°F during the coldest months of winter.

Remember that USDA zone info for Huntington Park is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in Huntington Park you get surprised by a frost after January 31 be ready to cover your ageratum in the event of a late frost.

USDA Zone Info for Huntington Park

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 Huntington Park

You may be interested in your other planting guides for Huntington Park.