The reading room
Cultivation5 min read

Growing your own: what a plant asks for

Private cultivation is the part of the law most people are surprised by and fewest take up. Here is honestly what a plant needs before you decide to give it.

Cannabis plants growing in the open air

For a lot of people the most surprising thing about where South African law landed is not that you may use cannabis in private — it is that you may grow it. Far fewer take that up than talk about it, and plenty who try give up after one disappointing harvest, usually for the same short list of reasons.

This is not a grower's manual. How cannabis is grown covers the methods a club buys from. This is the smaller, more personal question: what does one plant actually ask of you?

Light, which is most of it

Cannabis is a sun plant, and there is no substitute for a lot of light. Outdoors through a South African summer that is free and abundant — a plant wants somewhere with sun for most of the day, not a bright corner. Indoors, light is the thing people underestimate most: a windowsill will grow a green, leggy plant that never produces much worth having.

Light also times the plant. Most cannabis begins to flower as nights lengthen, which is why an outdoor crop follows the season rather than the grower's convenience, and why autoflowering varieties — which flower on their own schedule regardless — exist at all and suit a first attempt.

Air, water and something to grow in

  • Air. Moving air keeps leaf surfaces dry and stems strong. Still, humid air in a closed room is how mould arrives, and mould in dense flower is the failure that ends a whole plant rather than part of one.
  • Water. More plants are killed by too much than too little. Cannabis wants a soak and then a chance to dry out somewhat before the next one; roots sitting permanently wet simply rot.
  • Something to grow in. A big container of decent soil forgives a great deal. A small pot dries out every afternoon and limits the plant to the size of its roots.

Time, and the honest arithmetic

From seed to something you can smoke is roughly four to six months outdoors, most of it uneventful, and the last stretch is the part that actually needs attention. Then comes the drying and curing, which is its own patient craft and where most home-grown flower is really lost — hung too warm, dried too fast, jarred too soon, and a season's work ends up harsh.

What usually goes wrong

Pests that arrive overnight and are ignored for a week. Mould in a dense head after rain. A plant grown in a pot two sizes too small. Nutrients added because the label suggested it rather than because the plant asked. And most commonly of all: impatience at the end, when the whole thing is nearly done.

Is it worth it

If you want a reliable supply of a particular thing at a predictable quality, honestly, no — that is what the club is for. If you want to understand the plant, and to have grown something you then smoke, it is deeply worth it. People who grow one plant tend to become better judges of everything else they buy, because they have finally seen what a healthy one looks like.

Keep it private, keep it out of reach of children, and keep it modest — the freedom is a personal one, and what the law allows is drawn around personal use, not around a hobby that outgrew it.