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.

The USDA zone info for Ontario can be read to figure out when you can plant marguerite daisy.

Planting Calendar for Marguerite Daisy

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

Marguerite Daisy do not do well in cold weather which means that you need to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant marguerite daisy in Ontario 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 marguerite daisy and expect a good harvest is probably August. You probably don't want to wait any later than that or else your marguerite daisy may not have a chance to fully mature. You can get started a little bit earlier by starting your marguerite daisy indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Ontario. In the coldest months of winter you should expect an average low temperature of -15°F.

Since the USDA zone info for Ontario is an average the actual date of last frost is different every year. Since half of the time in Ontario it frosts late in the year after April 15 be ready to cover your marguerite daisy in the event of a surprise late frost.

USDA Zone Info for Ontario

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 Ontario

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