It goes by many names and whether or not it should be legalised in New Zealand has attracted many views.
In Rotorua, there are people on both sides of the fence. As details of the Government's proposed 2020 cannabis referendum come to light, Zizi Sparks finds out how people might vote come referendum day.
Rotorua's leaders are divided over whether cannabis should be legalised.
Key community, health and education leaders spoken to by the Rotorua Daily Post have given their views ahead of a 2020 referendum that will ask whether they support a bill legalising cannabis.
The simple yes or no question is already prompting discussions across the community, with many falling on either side of the fence.
Vape Park Rotorua supervisor Matt Swinn said he was happy to support the referendum and the business owner was too.
"But we need things to be legalised before we march on."
Swinn said the adopted legislation