Browse through most seed shops today and the regular section is a shelf at the back: shorter every year, marked cheaper than the feminized packs next to it, and picked up by a dwindling number of people who understand exactly what they are after. It is tempting to read that as the end of a technology. It is closer to the truth to see it as a library shrinking while the paperback rack next door expands. Every female-only line began as a regular one, every new cross needs a male at some point in its history, and the breadth of cannabis genetics that exists at all exists because somebody kept regular seed. Dedicated sellers such as https://breederregularseeds.com stock lines that trace to the 1980s, sold in packs of 10 seeds since a pack is intended to be a population, not a single plant. This article sets out the case for that unfashionable pack: what the male contributes, what a grower gives up by never seeing one, and how to work with a population rather than a copy.
The Other Half of the Genome
The lazy account of a male cannabis plant is „a pollen source“, and for a flower grower that is all 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 female.
A male contributes structure, hybrid vigour, flowering speed, tolerance to mould and pests, trichome production and the terpene chemistry exactly as the female does; it just shows some of those qualities less visibly because it never grows a finished flower. Breeders who work with regular seed invest as much time choosing males as females, which is the effort that a feminized cross borrows and cannot replicate. Feminizing a female yields pollen; it does not give a second line of selected genes.
The Narrowing
A great deal of the feminized market is built from S1 seeds: a one famous clone, treated and crossed with itself. Each round of that process cuts in half the remaining genetic diversity, and after a couple of generations what remains is essentially one plant expressed in marginally different forms.
That is fine for a grower who wants that single plant. It is a problem for everyone who comes after. Recessive weaknesses surface: intersex tendencies, brittle stems, susceptibility to a particular mould. Traits that existed in the original line but absent in the selected clone vanish out of the population altogether. A generation of such breeding leaves a market full with variations of a dozen clones, and a anyone trying to create something new discovers there is nothing remaining to work with. Regular seed from an outcrossed line is the reservoir that replenishes the pool, and it can only persist as long as people grows it.
How to Judge a Male
Guides on selecting females are easy to find; guidance on choosing males is scarce, since most people never keep one past the first week of flower to judge. For a grower producing seed, the following are the marks breeders look for.
- Stability. Any male that also forms female pistils under ordinary stress is discarded without exception; that trait is the one thing anyone wants breeding forward.
- Timing. A male that shows sex early and matures in step with the females is more workable than an early one that releases pollen before any female is ready.
- Resin on the stem. Rub a stem or a pollen cluster and smell it. A male with trichomes on its flower parts and a strong scent suggests it holds the resin genes that are worth passing on.
- Structure. Tight internodes, a strong central stem and a frame that resembles the intended female shape are inherited; a lanky, weak-stemmed male hands that down too.
Thinking in Numbers
The error new regular-seed growers fall into is treating a pack as 10 attempts at the same plant. It is the opposite. A pack from a genuine outcrossed line is a slice of a population, and the value of growing it is to see the range and choose from it.
Roughly half the plants will be male, which means a pack of 10 seeds gives around five females to compare and five males to either cull or judge for breeding. Within the females, look for noticeable differences: height, finishing time, smell, density, tolerance. That spread is not a failure in the seed; it is what the seed is selling. The grower who keeps the strongest female and the best male has something a feminized pack cannot offer: a pair of selected parents that are theirs.
From One Pack to the Next
Owning chosen parents is only worth something if making the next generation, and there the options open up. Three methods cover most of what small-scale breeders attempt.
- Open pollination. Allow each male reach each female. It keeps the full range of the line, makes a large quantity of seed, and does no selection at all. This is how traditional lines are maintained alive, and it is the right approach when the aim is preservation rather than refinement.
- Selected cross. One picked male to one or several picked females, every other plant else culled. The offspring carry the qualities of two selected plants and show less spread than the original pack. Repeated over generations with stable selection, this is how a stable line is built.
- Backcross. Cross a chosen offspring again to one of its parents to fix a specific quality. It tightens the range quickly and is used when a single parent has something worth keeping and the other contributed mostly vigour.
Each of these need nothing more than a separate space for the male, a soft brush or a small bag, and patience. None of them calls for the chemical treatment that feminized seed-making requires.
The Seeds That Only Exist as Regulars
Some lines have never feminized and likely never will be: landraces gathered from regions where cannabis was grown for centuries, and heirloom crosses from the early decades of modern breeding. They are available as regular seed because the breeders keeping them regard diversity as the whole point, and reversing a single plant would erase exactly what makes the line worth keeping.
Running a landrace from regular seed is a different experience from running a modern hybrid. Expect large variation, extended flowering periods in tropical lines, tall plants, and qualities that made sense in a mountain valley but not in a tent. Expect also aromas and chemistry that do not appear in the hybrid market at all. Breeder Regular Seeds holds a dedicated landrace and heirloom section, with each line labelled with its origin of origin and the number of generations it has been reproduced from the first collection.
The Honest Exclusions
Nothing of the above turns regular seed the right choice for everyone, and claiming otherwise does the product no favours.
A grower with room for a handful of plants who wants every one of them to flower is far better served with feminized seed. The same is a grower unable to inspect the plants every day around the start of flower, since a missed male in a small space ruins everything inside days. A person growing a single autoflower on a balcony gets no use from a pack they cannot select from. And anyone who wants a specific famous cut reproduced exactly is looking for a feminized S1, not a two-parent cross. Regular seed is for the grower who wants to select, to keep and at some point to make something of their own; for everyone else the back shelf is safely ignored alone.
Before You Buy
Breeder Regular Seeds sends each order in plain packaging with the breeder’s packs intact inside and nothing on the exterior to reveal the contents. Orders to the United States are not accepted, because seed importation is restricted there. Seed law differs sharply by country: in a good number of places owning seeds is legal as collectables while germinating them is not, and in others the two are allowed under licence or neither is. Checking the position in your own jurisdiction is the buyer’s responsibility, and nothing of this article should be read as legal advice.