Browse through most seed shops today and the regular section is a shelf at the back: smaller every year, marked lower than the feminized packs beside it, and bought by a dwindling group of people who understand exactly what they are after. It is easy to read that as obsolescence. It is nearer to the truth to read it as a library shrinking while the paperback rack next door grows. Every female-only line started as a regular one, every new cross needs a male somewhere in its pedigree, and the breadth of cannabis genetics that exists at all exists because somebody held onto regular seed. Dedicated sellers such as https://breederregularseeds.com stock lines that trace to the 1980s, offered in packs of 10 seeds because a pack is intended to be a population, not a single plant. This article makes the case for that unfashionable pack: what the male contributes, what a grower gives up by never growing one, and how to work with a pack rather than a clone.
The Other Half of the Genome
The easy account of a male cannabis plant is “a pollen source”, and for a flower grower that is the whole of it. For a breeder it is half the genome of every seed which follows, and that half is selected with the same attention as the mother.
A male contributes structure, vigour, maturation speed, tolerance to mould and pests, resin production and the aromatic chemistry exactly as the female does; it simply shows several of those traits less visibly since it does not produce a finished flower. Breeders who breed with regular seed spend as much time selecting males as females, which is the work that a feminized line borrows and cannot repeat. Feminizing a female yields pollen; it cannot give a second line of selected traits.
What Happens When Lines Are Only Selfed
Much of the feminized market is made from S1 seeds: a one famous clone, treated and crossed with itself. Every generation of that process halves the remaining genetic variation, and after a couple of rounds what is left is close to one plant repeated in slightly different forms.
This is fine for a grower who wants that one plant. It is a loss for everyone downstream. Recessive faults surface: hermaphrodite tendencies, weak stems, sensitivity to a particular mould. Qualities that existed in the original line but not in the chosen clone disappear from the population entirely. A generation of such breeding leaves a market crowded with variations of a dozen clones, and a anyone wanting to create something new discovers there is nothing left to work with. Regular seed from an outcrossed line is the store that replenishes the pool, and it can only persist as long as somebody grows it.
Selecting the Plant Nobody Writes About
Guides on selecting females are easy to find; advice on picking males is scarce, because most people never keep one past the first week of flower to look. For anyone producing seed, these are the signs breeders watch for.
- Resin on the stem. Rub a stem or a pollen sac and smell it. A male with trichomes on its flower parts and a clear aroma indicates it holds the resin genes that are worth keeping.
- Stability. Any male that at the same time forms female pistils under ordinary conditions is rejected outright; that trait is the last thing worth breeding forward.
- Timing. A male that declares sex early and flowers in step with the females is more useful than a very early one that releases pollen before any female is receptive.
- Structure. Short internodes, a strong main stem and a frame that matches the intended female shape are inherited; a stretched, weak-stemmed male passes that down too.
Thinking in Numbers
A error new regular-seed buyers fall into is seeing a pack as 10 attempts at the same plant. It is nothing of the kind. A pack from a real outcrossed line is a sample of a population, and the point of running it is to observe the spread and select from it.
Roughly half the plants will be male, so a pack of 10 seeds gives something like five females to compare and five males to cull or judge for breeding. Among the females, expect noticeable differences: stature, finishing time, aroma, bud structure, resistance. This variation is not a flaw in the seed; it is what the seed is for. The grower who keeps the strongest female and male now owns something a feminized pack cannot offer: a pair of chosen parents which are theirs.
Making Your Own Seed
Owning selected parents means making the next generation, and there the choices open up. Three approaches account for most of what small-scale breeders attempt.
- Open pollination. Allow every male reach each female. It preserves the full range of the line, makes a generous quantity of seed, and involves no choosing at all. This is how landrace lines are maintained alive, and it is the correct approach when the goal is preservation not refinement.
- Selected cross. One chosen male to one or a few picked females, every other plant else culled. The seeds carry the qualities of the two specific plants and express less variation than the original pack. Done over generations with stable selection, this is how a stable line is made.
- Backcross. Cross a selected seedling again to one of its parents to fix a particular trait. It narrows the range fast and is useful when a single parent has something worth concentrating and the second contributed mainly vigour.
All three require only a separate space for the male, a soft brush or a small bag, and patience. Not one of them calls for the chemical reversal that feminized seed-making does.
Keeping Old Lines Alive
A number of lines were never been feminized and likely never will be: landraces collected from regions where cannabis grew for centuries, and heirloom crosses from the first decades of indoor breeding. They are available as regular seed because the breeders keeping them treat diversity as the whole point, and selfing a single plant would erase precisely what makes the line worth the trouble of keeping.
Running a landrace from regular seed is a different experience from running a modern hybrid. Expect wide variation, extended flowering times in tropical lines, tall plants, and qualities that make sense in a mountain valley but not in a small room. Expect too flavours and chemistry that no longer exist in the hybrid market at all. Breeder Regular Seeds holds a dedicated landrace and heirloom section, and each line labelled with its origin of origin and the number of generations it has been grown out from the original collection.
When the Library Is the Wrong Shop
Nothing of the above turns regular seed the best option for everyone, and pretending that it is would the product no favours.
A grower with room for three plants who wants every one of them to finish is far better served with feminized seed. So is a grower unable to check the plants each day around the onset of flower, because a late male in a small space ruins the whole crop within days. A person running a single autoflower on a balcony has no value from a population they cannot select from. And a buyer who wants a specific clone-only plant reproduced exactly is better off looking for a feminized S1, not a regular cross. Regular seed is for the grower who intends to select, to hold onto and eventually to make something new; for everyone else the back shelf is best left where it is.
Before You Buy
Breeder Regular Seeds sends every order in unmarked packaging with the breeder’s packs intact inside and no on the outside to reveal the contents. Orders to the United States are not taken, because seed import is restricted there. Seed law varies sharply by country: in many places buying seeds is legal as collectables while germinating them is not, and in others both are permitted under local rules or both is. Knowing the position where you live is the buyer’s job, and no part of this article should be read as legal advice.