Hi, I wonder if it is too late to plant garlic in my yard in Toronto?
Could be risky. The best time to plant garlic is in the fall about a month before the ground freezes. If garlic is planted too late, there is a risk that cloves will not develop adequate root systems and will not be winter hardy. Mid-September to mid-October is a safe planting window, although some gardeners are now planting into November with fairly good results. Planting your garlic now will be a gamble, but as we’re experiencing quite a mild fall, you may be successful.
If you’d like to read more about growing garlic, below you will find links to a couple of articles that may be of some help, along with a previous Toronto Master Gardener question & answer.
Patrick Lima – Growing Garlic – Canadian Gardening magazine
https://www.canadiangardening.com/gardens/fruit-and-vegetable-gardening/growing-garlic/a/32193
Sonia Day – How to Grow Big Fat Garlic Cloves – Toronto Star – Nov 10, 2014
https://www.thestar.com/life/2012/10/12/how_to_grow_big_fat_garlic_cloves_sonia_day.html
Growing Garlic – previous Toronto Master Gardener question & answer