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.

By looking at the USDA zone info for Ontario it's a good idea to estimate when it's a good idea to plant dallas fern.

Planting Calendar for Dallas Fern

Frost tolerance for dallas fern:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Dallas Fern do not do well in cold weather which tells us that you really should wait until it warms up after all chance of frost has passed before you can plant them.

The earliest that you can plant dallas fern 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 dallas fern and expect a good harvest is probably August. You probably don't want to wait any later than that or else your dallas fern may not have a chance to really do well. You can get started a little bit earlier by starting your dallas fern indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Ontario. You should expect an average low temperature of -5°F in the coldest months of winter.

Always keep in mind that USDA zone info for Ontario is just an average and the actual date of last frost changes from year to year. Since half of the time in Ontario it frosts late in the year after April 15 be ready to cover your dallas fern if you have a late frost.

USDA Zone Info for Ontario

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Ontario

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