One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first opportunity to plant abutilon in Silvis can be figured out 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 when the weather gets warmer.

Since abutilon are not cold tolerant you really should wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant abutilon in Silvis 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. You probably don't want to wait any later than that or else your abutilon may not have a chance to grow to maturity. Starting your abutilon indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

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

Since the USDA zone info for Silvis is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Silvis there is a last frost after April 15 be ready to cover your abutilon if you have a late frost.

USDA Zone Info for Silvis

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°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 -10°F.

Plants to Grow in Silvis

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