The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The earliest that you can plant baby's breath in Toronto can be estimated by checking out 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 just a bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant baby's breath in Toronto is February. However, you really should wait until March 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 September. If you wait any later than that and your baby's breath may not have a chance to really do well. If you are starting your baby's breath indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Toronto. It might get as low as -5°F during the coldest months of winter.

Remember that USDA zone info for Toronto is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Toronto there is a last frost after April 15 be ready to protect your baby's breath if you have a late frost.

USDA Zone Info for Toronto

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 Toronto

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