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.

The first chance to plant abutilon in Costa Mesa should be figured out by reviewing the USDA zone info.

Planting Calendar for Abutilon

Frost tolerance for abutilon:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since abutilon require warm weather you need to wait until after the last frost before you can plant them.

The earliest that you can plant abutilon in Costa Mesa 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 abutilon and expect a good harvest is probably September. If you wait any later than that and your abutilon may not have a chance to fully mature. If you are starting your abutilon indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Costa Mesa the average date of last frost happens on January 31. It might get as low as 35°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Costa Mesa may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in Costa Mesa it frosts late in the year after January 31 so be sure to be ready to cover your abutilon in the event of a late frost.

USDA Zone Info for Costa Mesa

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 Costa Mesa

You may be interested in your other planting guides for Costa Mesa.