Cannabis Seeds: Germination and Types

Any cannabis plant starts as a seed, and the seed settles more than most people realise: the sex of the plant, how it responds to light, how tall it grows, and the mix of cannabinoids and terpenes it can produce. Choosing well at this stage avoids months of wasted effort later. The market has grown enormously, and https://budweedseeds.com now carries 400 strains from breeders across the industry. This guide explains the main seed types, how to read a strain description, what separates a good seed from a poor one, and how to store and germinate them properly.

What You Are Actually Buying

A cannabis seed is a small, hard embryo enclosed in a protective coat. Mature seeds are typically brown, grey or tiger-striped, solid to the touch and a little glossy. Inside sits everything the plant needs to begin: a root tip, two cotyledon leaves and a store of energy to fuel the first days of growth.

Genetically, each seed is a unique combination of its two parents, which is why two seeds from the same pack can grow noticeably unalike. Breeders reduce that variation by stabilising a line over many generations, but some spread is expected in any seed-grown crop. Clones are the only way to get exact copies; seeds trade that certainty for vigour, a taproot and the chance of a standout plant.

Regular, Feminized, Autoflowering: The Big Three

Nearly every seed on sale falls into one of three categories, and the choice between them is the most important decision a buyer makes.

• Feminized seeds are bred to produce female plants very nearly every time. For anyone growing for flower rather than for breeding, they eliminate the guesswork and the wasted space of male plants.
• Autoflowering seeds carry ruderalis genetics that make the plant to bloom on age rather than on light cycle. They are smaller, quicker and more tolerant of less-than-ideal conditions, typically at the cost of yield and potency.
• Regular seeds produce male and female plants in about equal numbers. They are preferred by breeders and by growers who want to make their own seeds, but they require identifying and removing males before they pollinate the females.

Feminized and autoflowering are not mutually exclusive: most autoflowering seeds sold today are also feminized, and the label usually says so. Regular autoflowering seeds exist but are rare.

The Case for Feminized (and the Exceptions)

For the bulk of buyers the answer is feminized. If the aim is flower, every male plant is space, light and time spent on something that will be thrown away, and a single missed male can seed an entire room. Feminized seeds sidestep that issue entirely.

Regular seeds earn their place in three situations. Breeders need males for pollen. Growers who want to select a mother plant from a large population often prefer the broader genetic variation of regular stock. And some old-school lines are simply sold in regular form. Outside those cases, paying for seeds that are half male is hard to justify.

Photoperiod Control vs. Autoflower Speed

Photoperiod plants stay in vegetative growth as long as they get long days and move to flowering when the light falls to around twelve hours. That hands the grower the decision: veg for two weeks or two months, shape the plant, then trigger flowering when it fits the space.

Autoflowers ignore the light schedule and flower on a clock set by genetics, typically a few weeks after sprouting. The whole run from seed to harvest is much shorter, the plants stay small, and they can be grown under continuous light from start to finish. The trade-off is that mistakes cannot be fixed by extending veg: a stressed autoflower stays stunted. Beginners, balcony growers and anyone with limited height tend to succeed with autos; growers after maximum yield from a fixed footprint generally choose photoperiod stock.

Beyond the Strain Name

A seed listing packs a lot of information into a few lines, and much of it is more useful than the strain name.

• THC and CBD ranges. Stated figures are from the breeder’s in-house tests under controlled conditions. Read them as a ceiling, not a promise.
• Flowering time. For photoperiod strains this is counted from the light flip; for autos it is usually given as total time from seed. Check which convention the breeder uses.
• Sativa, indica or hybrid. These days almost everything is a hybrid; the percentages hint at growth habit (height, internode spacing, flowering time) more than at effect.
• Yield estimates. Given per square metre indoors or per plant outdoors, and heavily dependent on the grower. Treat them to compare strains from the same breeder, not across breeders.
• Lineage. The parent strains show you what to expect in smell, structure and growth habit far better than any marketing copy.

Telling Live Seeds From Dead Ones

Appearance is a loose guide to viability, not a verdict, but a few signs are worth knowing.

• Float test. Dropping seeds in water and discarding floaters is common but crude: healthy seeds often float until the shell takes on water.
• Surface. A faint waxy sheen is normal. Cracks, dents or visible mould disqualify a seed.
• Shell. A hard shell that does not crack under light finger pressure is a good sign; seeds that collapse easily are dead.
• Size. Bigger is not better; seed size varies by strain, and some excellent genetics produce small seeds.
• Colour. Brown, tan, grey or striped seeds are generally mature. Pale green or white seeds were picked too early and rarely sprout.

Keeping Seeds Alive in the Drawer

Cannabis seeds remain viable for years if they are kept properly and for months if they are not. The threats are heat, light, moisture and fluctuation.

• Keep them cool. A constant temperature in the fridge range slows the seed’s metabolism without damaging it; the freezer is dangerous unless the seeds are fully dried.
• Keep them still. Shifting seeds between warm and cold repeatedly does more harm than either condition on its own; take out the container as rarely as possible.
• Keep them dark. Light breaks down the embryo over time, so an opaque container beats a clear one.
• Keep them dry. A airtight container with a desiccant packet prevents the humidity changes that trigger premature germination or mould.

The First Five Days

Each grower has a favourite method, but the essentials are the same whichever you choose: moisture, warmth, darkness and air.

1. Place the seeds in room-temperature water for no more than a day to soften the shell. Longer and they can drown.
2. Move them to a moist paper towel inside a closed container, or directly into a small pot of light, moist medium. Keep the temperature in the low-to-mid twenties Celsius.
3. Wait. Most seeds produce a taproot within two to five days; some need a week or more.
4. Once the taproot is about a centimetre long, plant it root-down, shallowly, and provide gentle light as soon as the seedling emerges from the surface.

Touch sprouted seeds as little as possible; the taproot snaps easily and a damaged one often stops the seedling permanently.

Vetting the Seller

Seeds are only as good as the supplier, and the difference between a reputable seed bank and a middleman of uncertain stock appears in germination rates, rather than on the website.

• Pack options. Flexible pack sizes allow you to test a strain before committing; Bud Weed Seeds sells packs of 3, 5 and 10 seeds on most lines.
• Storage on their end. Ask how stock is stored. Seeds sitting in a warm warehouse for a year drop viability long before they reach you.
• Breeder transparency. A trustworthy seller lists the breeder for every strain. Bud Weed Seeds stocks lines from Barney’s Farm, Dutch Passion and Royal Queen Seeds, among others, with the breeder named on each product page.
• Original packaging. Seeds should arrive in the breeder’s sealed packs, not loose in a plain bag.

Delivery, Packaging and Replacements

Bud Weed Seeds ships to the EU, the UK and Canada. Orders are sent in discreet packaging with no reference to the contents on the label.

Seeds come with a germination guarantee: if a seed fails to sprout within 14 days of delivery when started by the recommended method, Bud Weed Seeds replaces it. The request needs the order number and, in most cases, a photo.

Legal Grey Zones

The law on cannabis seeds is separate from the law on cannabis itself, and it varies widely by country. In many European countries seeds are traded legally as souvenirs or for hemp purposes, while germinating them stays illegal. Elsewhere both buying and growing are permitted under licence or within personal limits, and in some countries possession of seeds alone is banned.

Bud Weed Seeds does not send orders to the United States, where import of cannabis seeds is restricted. It is the buyer’s responsibility to check the rules in their own country before ordering, and nothing on this page should be taken as legal advice.

Questions Growers Ask

How long do cannabis seeds last?

Kept cool, dark and dry, the majority of seeds germinate reliably for two to three years and often much longer. Kept in a warm drawer, viability falls noticeably within a year.

Can I tell the sex of a seed by looking at it?

No. Methods based on shape, ridges or the scar at the base have no scientific basis. Only feminized breeding, or waiting for the plant to reveal preflowers, determines the sex.

Does Bud Weed Seeds stock CBD-only strains?

Yes. The catalogue includes high-CBD lines with negligible THC, marked as such on the product page, alongside balanced and THC-dominant strains.

Why did a seed fail to sprout?

The commonest causes are over-soaking, cold, a medium that is too wet or too dry, and damage to the taproot during handling. Genuinely dead seeds are rarer than grower error.