One of the first steps you take when you are estimating 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.

You should be able to determine when you can plant abutilon by using the USDA zone info for Rialto.

Planting Calendar for Abutilon

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

Abutilon require warm weather which tells us that you need to wait until it warms up after all chance of frost has passed before you can plant them.

The earliest that you can plant abutilon in Rialto 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. Any later than that and your abutilon may not have a chance to really do well. Starting your abutilon indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost has passed is on January 31 in Rialto. In the coldest months of winter you should expect an average low temperature of 30°F.

Keep in mind that USDA zone info for Rialto is just an average and the actual date of last frost changes from year to year. Since half of the time in Rialto last frost occurs after January 31 be ready to protect your abutilon if you have one of those late frosts.

USDA Zone Info for Rialto

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 Rialto

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