Regular Seeds: Cannabis’s Genetic Library

Browse through most seed shops today and the regular section is the shelf at the back: shorter every year, priced cheaper than the feminized packs next to it, and picked up by a shrinking group of people who know exactly what they are looking for. It is easy to read that as obsolescence. It is nearer to the truth to see it as a library shrinking while the paperback rack next door grows. Every female-only line started as a regular one, each new cross requires a male at some point in its history, and the breadth of cannabis genetics that survives at all survives only because somebody held onto regular seed. Specialists such as https://breederregularseeds.com stock lines going back to the 1980s, offered in packs of 10 seeds because 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 pack instead of a copy.

The Other Half of the Genome

The easy account of a male cannabis plant is “a pollen source”, and to a flower grower that is all it. For a breeder it is half the genome of every seed that follows, and half is selected with the same care as the mother.

A male passes on growth habit, vigour, flowering time, tolerance to mould and pests, resin production and the aromatic profile just as the female does; it just shows some of those qualities less visibly since it does not grows a finished flower. Those who work with regular seed spend at least as much time selecting males as females, which is the effort that a feminized line borrows and can never replicate. Reversing a female yields pollen; it cannot provide a second line of selected genes.

How Diversity Leaks Away

A great deal of the feminized catalogue is built from S1 seeds: a single famous clone, reversed and crossed with itself. Each generation of that process cuts in half the surviving genetic diversity, and after two generations what remains is essentially one plant repeated across slightly different forms.

That is acceptable for a consumer who needs that one plant. It is a problem for everyone downstream. Hidden weaknesses surface: intersex tendencies, brittle stems, susceptibility to one particular mould. Traits that were present in the parent line but not in the chosen clone vanish from the gene pool entirely. A generation of such breeding produces a market full with variations of a dozen plants, and a anyone trying to create something different discovers there is nothing remaining to work with. Regular seed from a true outcrossed line is the store that refills the pool, and it only exists as long as somebody keep growing it.

Selecting the Plant Nobody Writes About

Guides on choosing females are everywhere; guidance on choosing males is rare, because most people do not keep one long enough to judge. For anyone producing seed, the following are the signs breeders look for.

• Stability. Any male that at the same time shows female pistils under normal conditions is rejected outright; that trait is the last thing worth breeding forward.
• Restraint. Plants that dump enormous amounts of pollen all at once are often also the less selected in other respects; many breeders prefer steady producers.
• Resin on the stem. Scratch a stem or a flower cluster and smell it. A male with resin on its sepals and a strong aroma suggests it carries the terpene genes worth keeping.
• Structure. Tight internodes, a thick central stem and a frame that resembles the desired female shape are passed on; a lanky, weak-stemmed male hands that on too.
• Timing. A male that shows sex early and flowers in step with the females is far more workable than a very early one that sheds pollen before the female is receptive.

What 10 Seeds Actually Give You

A error first-time regular-seed growers make is treating a pack as 10 chances at the one plant. It is nothing of the kind. A pack from a real outcrossed line is a sample of a population, and the point of growing it is to see the range and select from it.

Roughly half the plants will be male, so a pack of 10 seeds yields something like five females to compare and five males to either discard or assess for breeding. Within the females, look for noticeable differences: stature, finishing time, aroma, density, tolerance. This spread is not a flaw in the seed; it is what the seed is for. The grower who keeps the best female and the best male has something a feminized pack cannot offer: a pair of chosen parents that are their own.

Making Your Own Seed

Owning selected parents is only worth something if producing the next generation, and there the options open up. The main methods account for most of what home breeders attempt.

• Backcross. Cross a chosen offspring again to one of its parents to fix a particular quality. It narrows the genetics fast and is used when a single parent has something worth keeping and the other contributed mainly vigour.
• Selected cross. One picked male on one or a few picked females, every other plant else removed. The seeds carry the traits of two specific plants and show less variation than the parent pack. Done over generations with stable selection, this is how a stable line is made.
• Open pollination. Let every male reach every female. It keeps the whole range of the line, makes a generous volume of seed, and does no choosing at all. This is how traditional lines are kept going, and it is the right approach when the goal is preservation rather than refinement.

Each of these require only a separate space for the male, a paintbrush or a small bag, and patience. Not one of them calls for the chemical reversal that feminized production requires.

Landraces and Heirloom Lines

Some lines were never feminized and likely never will be: landraces collected from regions where cannabis grew for centuries, and heirloom hybrids from the first decades of indoor breeding. They are available as regular seed because the people maintaining them regard the population as the entire value, and reversing a single plant would erase precisely what makes the line worth the trouble of keeping.

Growing a landrace from regular seed is different from running a commercial hybrid. Expect wide variation, long flowering times in tropical lines, tall plants, and traits that made sense in a field but not under a tent. There will be also aromas and effects that no longer appear in the hybrid market at all. Breeder Regular Seeds holds a dedicated landrace and heirloom section, with each line labelled with its region of origin and the generation it has been reproduced since the original collection.

The Honest Exclusions

Nothing of the above turns regular seed the right choice for everyone, and claiming that it is does the product no service.

A grower with space for a handful of plants who needs every one of them to flower is better off with feminized seed. The same is anyone unable to inspect the plants every day during the start of flower, because a late male in a confined space seeds the whole crop inside days. Someone running a single autoflower on a balcony has no use from a population they cannot select from. And anyone who wants a known clone-only 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 eventually to make something of their own; for everyone else the back shelf is safely left alone.

Before You Buy

Breeder Regular Seeds dispatches every order in unmarked packaging with the original packs intact inside and no on the outside to indicate the contents. Orders to the United States are not accepted, as seed import is restricted there. Seed law varies sharply by country: in many places owning seeds is legal as genetic preservation while germinating them is not, and in others both are permitted under licence or both is. Checking the position in your own jurisdiction is the buyer’s responsibility, and nothing of this article is legal advice.

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