The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Ontario you can determine when to plant baby's breath by reviewing the USDA zone info.

Planting Calendar for Baby's Breath

Frost tolerance for baby's breath:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

You can plant baby's breath a bit earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant baby's breath in Ontario is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant baby's breath and expect a good harvest is probably October. Any later than that and your baby's breath may not have a chance to grow to maturity. You can get started a little bit earlier by starting your baby's breath indoors.

Last Frost Date

In Ontario the average date of last frost happens on January 31. In the coldest months of winter you should expect an average low temperature of 30°F.

Since the USDA zone info for Ontario is an average the actual date of last frost changes from year to year. Since half of the time in Ontario last frost occurs after January 31 be ready to protect your baby's breath if you have a surprise late frost.

USDA Zone Info for Ontario

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Ontario

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