Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By checking out the USDA zone info for Sonoma you will be able to determine when it's a good idea to plant abutilon.

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 when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant abutilon in Sonoma is March. However, you really should wait until April 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 few weeks earlier.

Last Frost Date

In Sonoma the average date of last frost happens on February 15. It might get as low as 25°F during the coldest months of winter.

It's important to remember that the actual date of last frost is just an average because it is based on the USDA zone info for Sonoma and it changes from year to year. Half of the time in Sonoma it frosts late in the year after February 15 so always be ready to protect your abutilon if you have one of those late frosts.

USDA Zone Info for Sonoma

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Sonoma

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