Yes. On October 17, 2018, the Canadian Federal Cannabis Act came into force, legalizing Cannabis for recreational consumption.
Canadians of legal age can now purchase legal seed or seedlings and grow up to 4 plants per residence (not per person) for personal use (scroll to “Growing Cannabis”).
You can grow up to 4 marijuana plants per residence (not per person).
The Canadian government defines personal use here.
Key takeaway: you may not sell the cannabis you grow at home to others.
Yes. Growing a pot plant at home is a personal choice for you and your family.
There are recommended safety and security measures for growing cannabis for personal use.
Resources for cannabis safety, awareness and education are available here from the Canadian government.