How to grow your four legal marijuana plants: A beginner’s guide … – The Kingston Whig

When federal legalization comes Oct. 17, adults in most provinces will be allowed to grow up to four cannabis plants per residence for personal use.

Justin Cooper, the owner of Pacific Northwest Garden Supply, expects some of them to come to one of his eight stores in B.C. for a grow setup.

Cooper, 45, has been running his hydroponics and garden supply business for 25 years, since the boom of “B.C. Bud” in the early ’90s.

While his clients tend to be large-scale producers — some operating with federal medical-access licences and some licensed producers — he anticipates increased interest in home-grow following legalization from Canadians seeking to yield a pound every few months or at least pick up a new hobby.

“There’s a barrier to entry for people cultivating, there’s a fear associated with, ‘Oh, I don’t know what I’m doing,’” Cooper said.

“Really — and I might sound very self-serving here — growing weed indoors is one of the most fun things you can do. I’m not kidding.”

Once Canadians have acquired their licensed seeds or seedlings from a vendor approved in their province (in B.C., the liquor distribution branch will sell seeds), they will need to set aside a grow room, space or self-contained unit such as a grow tent.

What gear will I need?

Here are some recommendations from Cooper for a simple starter kit:


Cannabis will grow in terra cotta pots from the local hardware store, though first-time growers can buy a system that uses gravity to automatically distribute fresh nutrient solution to 15-litre pots. These systems run about $200.


Growers should start with a simple peat-perlite or coconut coir medium in which to grow their four plants. Bags of these run $25 to $30 and are enough to cover at least four plants.


Many beginners go with the

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