The briefing was part of a last political push by the government to answer outstanding questions about a major social and policy shift that will see Canada become the first G7 country to legalize the use of recreational cannabis and possessions of small amounts.
A federal official said Canada would pardon people with convictions for possessing up to 30 grams of marijuana, the new legal threshold, with a formal announcement due later on Wednesday.
Uruguay was first was the first country to legalize marijuana. "Teenage Tom Clarke is loving what I am doing with my life right now", he said.
Individuals have been eligible to apply for a pardon through the Parole Board of Canada five years after the conviction is handed down.
The Ontario Cannabis Store says it will have product from 32 different suppliers, each labelled with the level of Tetrahydrocannabinol (THC) and Cannabidiol (CBD) inside, as tested by Health Canada. The most populous province is working on its regulations and doesn't expect stores until next spring.
"Now that our neighbor to the north is opening its legal cannabis market, the longer we delay, the longer we miss out on potentially significant economic opportunities for OR and other states across the country", Democratic Sen.
Canadians 18 or 19, depending on the province or territory, will be able to buy and use fresh dried cannabis, cannabis oil, plants and seeds for cultivation from regulated retailers beginning Wednesday.
Anticipation and excitement have been building around the federal legalization of cannabis, but despite the only government-run store in B.C. setting up shop tomorrow, Kamloops RCMP are predicting business as usual.
As of Tuesday the drug was still illegal, and officials at the media briefing said any charges or cases before the courts could still be prosecuted after legalization.
"We are just ecstatic", she said.
But critics say it will lead to an increase in deaths on Canada's roads.
The supply of recreational marijuana could be limited at least early on in some stores.
Brenda Tobin and her son Trevor plan to open their pot shop in Labrador City in Newfoundland and Labrador at 4:20 p.m., a reference to 420, slang for the consumption of cannabis. "That's not even paying someone's salary".