Browse through most seed shops today and the regular section is a shelf at the back: shorter every year, priced lower than the feminized packs beside it, and bought by a shrinking group of people who know exactly what they are after. It is easy to see that as the end of a technology. It is closer to the truth to read it as a library shrinking while the paperback rack next door grows. Every female-only line began as a regular one, every new cross needs a male somewhere in its pedigree, and the diversity of cannabis genetics that exists at all survives only because someone kept regular seed. Specialists such as https://breederregularseeds.com stock lines going back to the 1980s, sold in packs of 10 seeds because a pack is meant to be a population, not a one plant. This article sets out the argument for that half-male pack: what the male contributes, what a grower gives up by never seeing one, and how to get value with a population instead of a copy.
Not Just Pollen
The easy description of a male cannabis plant is “the one that makes pollen”, and to a flower grower that is the whole of it. For a breeder it is half the genome of every seed which follows, and half is selected with the same care as the mother.
A male contributes growth habit, hybrid vigour, maturation speed, tolerance to mould and pests, resin density and the aromatic profile just as the female does; it just expresses several of those traits less since it does not grows a finished flower. Breeders who work with regular seed invest at least as much time selecting males as females, which is the work that a feminized cross inherits and can never replicate. Feminizing a female gives pollen; it cannot give a second line of selected genes.
How Diversity Leaks Away
A great deal of the feminized market is made from S1 seeds: a one famous clone, reversed and pollinated with itself. Every generation of that selfing cuts in half the surviving genetic variation, and after two rounds what is left is essentially one plant expressed in marginally different ways.
This is acceptable for a consumer who wants that single plant. It is a problem for everyone downstream. Hidden weaknesses emerge: intersex tendencies, weak stems, sensitivity to a particular mould. Traits that were present in the parent line but absent in the selected clone vanish from the population entirely. A decade of this produces a market crowded with variations of a dozen plants, and a anyone trying to make something different discovers there is little left to work with. Regular seed from a true outcrossed line is the reservoir that replenishes the pool, and it only exists as long as somebody keep growing it.
How to Judge a Male
Articles on choosing females are easy to find; guidance on picking males is scarce, because most growers never keep one past the first week of flower to look. For a grower making seed, the following are the marks breeders watch for.
- Stability. Any male that also forms female pistils under ordinary conditions is rejected without exception; that tendency is the one thing anyone wants breeding forward.
- Structure. Short internodes, a thick main stem and branching that matches the desired female shape are passed on; a stretched, floppy male hands that down too.
- Timing. A male that declares sex first and flowers at the same pace as the females is far more workable than an early one that sheds pollen before the female is receptive.
- Restraint. Males that release huge amounts of pollen all at once are frequently also the less desirable genetically; breeders favour moderate producers.
Thinking in Numbers
A error first-time regular-seed growers make is treating a pack as 10 attempts at the same plant. It is nothing of the kind. A pack from a genuine outcrossed line is a slice of a population, and the point of growing it is to observe the range and select from it.
About half the plants will be male, which means a pack of 10 seeds yields around five females to evaluate and five males to cull or judge for breeding. Among the females, look for real differences: height, finishing time, aroma, density, tolerance. That spread 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 can never supply: a line of selected parents that are theirs.
Three Ways to Cross
Owning selected parents is only worth something if producing the next generation, and there the choices multiply. The main methods cover most of what small-scale breeders do.
- Backcross. Take a chosen seedling back to one of its original parents to lock in a specific trait. It tightens the genetics quickly and is used when one plant shows something worth keeping and the other brought mainly vigour.
- Open pollination. Let every male reach every female. It keeps the full range of the line, produces a generous quantity of seed, and does no choosing at all. This is how traditional lines are kept alive, and it is the correct method when the goal is preservation not improvement.
- Selected cross. One chosen male on one or a few picked females, everything else culled. The offspring carry the qualities of two specific plants and express less variation than the original pack. Done over several rounds with consistent choices, this is how a stable line is made.
Each of these require nothing more than a isolated space for the male, a soft brush or a small bag, and a few weeks. None of them needs the chemical treatment that feminized seed-making requires.
Landraces and Heirloom Lines
A number of lines have never been feminized and likely never will be: landraces collected from places where cannabis was grown over centuries, and old hybrids from the first decades of modern breeding. They are sold as regular seed because the people maintaining them treat the population as the whole value, and reversing a single plant would destroy precisely what makes the line worth the trouble of preserving.
Running a landrace from regular seed is different from running a commercial hybrid. There will be wide variation, long flowering times in tropical lines, tall plants, and qualities that make sense in a mountain valley but not under a small room. Expect too flavours and chemistry that do not exist in the hybrid market anywhere. Breeder Regular Seeds holds a dedicated landrace and heirloom section, with each line labelled with its origin of collection and the generation it has been grown out from the first collection.
When the Library Is the Wrong Shop
Nothing of the above turns regular seed into the right option for everyone, and claiming otherwise would the category no service.
A grower with room for three plants who wants every one of them to flower is better served with feminized seed. The same is anyone unable to inspect the plants every day around the onset of flower, because a missed male in a confined space seeds the whole crop within days. A person running a single autoflower on a balcony has no use from a pack they cannot select from. And a buyer who wants a known famous cut repeated as closely as possible is better off looking for a feminized S1, not a two-parent cross. Regular seed is for the grower who intends to choose, to keep and at some point to produce something new; for everyone else the regular shelf is safely left where it is.
Practicalities
Breeder Regular Seeds sends each order in unmarked packaging with the breeder’s packs sealed inside and no on the outside to indicate the contents. Orders to the United States are not accepted, as seed importation is restricted there. Seed law differs widely by country: in many places buying seeds is lawful as collectables while germinating them is not, and in others the two are allowed under local rules or both is. Knowing the rules in your own jurisdiction is the buyer’s job, and nothing of this article is legal advice.