Before planting it is a good idea to find your USDA Zone info to estimate your garden 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 Tualatin can be figured out by referring to the USDA zone info.

Planting Calendar for Abutilon

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

It's probably a bad idea to plant abutilon until after the last frost because they require warm weather.

The earliest that you can plant abutilon in Tualatin is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant abutilon and expect a good harvest is probably August. Any later than that and your abutilon may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your abutilon indoors.

Last Frost Date

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

Since the USDA zone info for Tualatin is not always accurate the actual date of last frost changes from year to year. Half of the time in Tualatin you get surprised by a frost after March 15 so just be sure to be ready to protect your abutilon in the event of a surprise late frost.

USDA Zone Info for Tualatin

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Tualatin

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