One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's possible to estimate when it's a good idea to plant abutilon by using the USDA zone info for Tustin.

Planting Calendar for Abutilon

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

It's probably not a good idea to plant abutilon until after the last frost has passed because they require warm weather.

The earliest that you can plant abutilon in Tustin 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. You probably don't want to wait any later than that or else your abutilon may not have a chance to really do well. 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

On average the last frost is on January 31 in Tustin. You should expect an average low temperature of 30°F in the coldest months of winter.

Since the USDA zone info for Tustin is an average the actual date of last frost changes from year to year. Since half of the time in Tustin last frost occurs after January 31 be ready to protect your abutilon in the event of a late frost.

USDA Zone Info for Tustin

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 Tustin

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