Walk through most seed shops today and the regular section is the shelf at the back: shorter every year, marked cheaper than the feminized packs beside it, and bought by a dwindling number of people who know exactly what they are looking for. It is tempting to read that as the end of a technology. It is closer to the truth to read it as a library losing shelves while the bookshop next door grows. Every feminized line began as a regular one, each new cross requires a male somewhere in its pedigree, and the diversity of cannabis genetics that survives at all exists because somebody held onto regular seed. Specialists such as https://breederregularseeds.com carry lines going back to the 1980s, sold in packs of 10 seeds since a pack is intended 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 buyer loses by never growing one, and how to get value with a population instead of a copy.
What a Male Plant Is Actually For
The easy description of a male cannabis plant is “a pollen source”, and to a flower grower that is the whole of it. For a breeder it is half the genome of every seed that follows, and that half is chosen with the same attention as the mother.
A male contributes structure, hybrid vigour, maturation speed, resistance to mould and pests, resin production and the aromatic chemistry exactly as the female does; it just expresses several of those qualities less visibly since it never produce a finished flower. Those who work with regular seed spend as much time selecting males as females, which is the work that a feminized cross inherits and can never repeat. Feminizing a female gives pollen; it does not give a different line of selected genes.
What Happens When Lines Are Only Selfed
Much of the feminized catalogue is made from S1 seeds: a one famous clone, treated and crossed with itself. Each round of that selfing halves the surviving genetic variation, and after two rounds what remains is close to one plant repeated in marginally different ways.
That is fine for a grower who needs that single plant. It is a loss for everyone who comes after. Recessive faults emerge: hermaphrodite tendencies, brittle stems, susceptibility to a particular mould. Qualities that were present in the parent line but not in the chosen clone disappear from the population altogether. A decade of this produces a market full with variations of the same few plants, and a breeder wanting to make something different discovers there is little remaining to work with. Regular seed from an outcrossed line is the store that refills the market, and it can only exists if people keep growing it.
Selecting the Plant Nobody Writes About
Articles on choosing females are everywhere; advice on choosing males is scarce, since most growers never keep one past the first week of flower to judge. For a grower producing seed, these are the marks breeders look for.
- Structure. Short internodes, a thick main stem and a frame that matches the intended female shape are inherited; a stretched, floppy male hands that down too.
- Resin on the stem. Scratch a stem or a pollen sac and smell it. A male with trichomes on its sepals and a clear scent indicates it carries the resin genes worth keeping.
- Timing. A male that shows sex early and flowers at the same pace as the females is more useful than an early one that sheds pollen before any female is ready.
- Restraint. Males that release enormous amounts of pollen early are frequently the less selected genetically; breeders favour moderate producers.
- Stability. A male that also forms female flowers under normal conditions is rejected without exception; the tendency is the one thing worth carrying forward.
A Pack Is a Population
A error new regular-seed buyers make is seeing a pack as 10 chances 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.
Roughly half the plants will be male, so a pack of 10 seeds gives something like five females to evaluate and five males to either discard or judge for breeding. Within the females, look for noticeable variation: stature, flowering time, smell, bud structure, 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 supply: a pair of chosen parents that are their own.
From One Pack to the Next
Owning chosen parents is only worth something if making the next batch, and here the options multiply. Three methods account for most of what home breeders do.
- Open pollination. Let every male reach every female. It preserves the whole diversity of the line, produces a large volume of seed, and does no choosing at all. This is how landrace lines are kept alive, and it is the correct approach when the goal is preservation rather than improvement.
- Selected cross. One chosen male on one or several picked females, everything else removed. The offspring inherit the traits of two selected plants and show less variation than the original pack. Done over generations with consistent selection, this is how a new line is made.
- Backcross. Cross a chosen offspring again to one of its original parents to fix a particular quality. It narrows the genetics quickly and is useful when a single parent shows something worth concentrating and the second contributed mostly vigour.
All three need only a separate space for the male, a soft brush or a paper bag, and patience. Not one of them calls for the chemical treatment that feminized seed-making requires.
Landraces and Heirloom Lines
Some lines have never feminized and probably never will be: landraces collected from regions where cannabis was grown for centuries, and old crosses from the first decades of modern breeding. They are sold as regular seed since the people keeping them regard diversity as the whole value, and selfing a single clone would erase exactly what makes the line worth keeping.
Running a landrace from regular seed is a different experience from growing a commercial hybrid. There will be wide variation, extended flowering periods in tropical lines, tall plants, and traits that make sense in a mountain valley but not under a small room. Expect also aromas and chemistry that no longer exist in the commercial market at all. Breeder Regular Seeds holds a separate landrace and heirloom section, and each line marked with its region of collection and the generation it has been grown out from the original collection.
The Honest Exclusions
Nothing of the above makes regular seed into the right choice for everyone, and pretending otherwise would the product no service.
A grower with room for three plants who needs every one of them to flower is better served with feminized seed. The same is anyone who cannot afford to inspect the plants each day around the start of flower, since a late male in a confined space ruins the whole crop within days. A person growing a single autoflower on a balcony gets no value from a pack they cannot select from. And anyone who is after a known clone-only 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 select, to keep and eventually to make something new; for anyone else the back shelf is best ignored where it is.
Practicalities
Breeder Regular Seeds dispatches each order in plain packaging with the original packs intact inside and nothing on the exterior to reveal the contents. Orders to the United States are not accepted, as seed import is not permitted there. Seed law varies widely by country: in many places buying seeds is legal as collectables while germinating them is not, and in others the two are allowed under licence or neither is. Checking the rules where you live is the buyer’s job, and no part of this article should be read as legal advice.