One of the best tools that you have as gardeners to help us figure out your gardening schedule is the 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 can figure out when to plant abutilon in River Falls by looking at 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.

You really shouldn't plant abutilon until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant abutilon in River Falls is May. However, you really should wait until June 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. 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 few weeks earlier.

Last Frost Date

The average date of last frost is May 15 in River Falls. It might get as low as -25°F during the coldest months of winter.

Since the USDA zone info for River Falls is just an average the actual date of last frost can change quite a bit from year to year. Since half of the time in River Falls there is a last frost after May 15 be ready to protect your abutilon in the event of a surprise late frost.

USDA Zone Info for River Falls

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°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 -20°F.

Plants to Grow in River Falls

You may be interested in your other planting guides for River Falls.