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

You should be able to determine when it's the best time to plant abutilon by looking at the USDA zone info for Ottawa.

Planting Calendar for Abutilon

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

You can not 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 Ottawa 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. If you wait any later than that and your abutilon may not have a chance to grow to maturity. If you are starting your abutilon indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost is on April 15 in Ottawa. In the coldest months of winter you can expect an average low temperature of -10°F.

Keep in mind that USDA zone info for Ottawa may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Ottawa there is a last frost after April 15 so be sure to be ready to protect your abutilon in the event of a late frost.

USDA Zone Info for Ottawa

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Ottawa

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