Cannabis Seeds: Germination and Storage
Every cannabis plant starts as a seed, and the seed decides more than most people realise: the sex of the plant, how it reacts to light, how tall it grows, and the mix of cannabinoids and terpenes it can develop. Choosing well at this stage saves months of wasted effort later. The market has grown enormously, and https://budweedseeds.com now carries 400 strains from breeders around the world. This guide covers the main seed types, how to read a strain description, what distinguishes a good seed from a poor one, and how to store and start 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 mottled, firm to the touch and a little glossy. Inside sits everything the plant needs to start: a root tip, two cotyledon leaves and a store of energy to power the first days of growth.
Genetically, each seed is a unique combination of its two parents, and that is why two seeds from the same pack can grow noticeably unalike. Breeders narrow that variation by stabilising a line over many generations, but some spread is normal in any seed-grown crop. Clones are the only way to get identical copies; seeds exchange that certainty for vigour, a strong taproot and the chance of a exceptional plant.
The First Decision: Seed Type
Almost every seed on sale belongs to one of three categories, and the choice between them is the first decision a buyer makes.
- Autoflowering seeds contain ruderalis genetics that cause the plant to flower on age rather than on light cycle. They are smaller, quicker and more forgiving of imperfect conditions, usually at the cost of yield and potency.
- Regular seeds give male and female plants in roughly equal numbers. They are preferred by breeders and by growers who want to make their own seeds, though they mean identifying and culling males before they pollinate the females.
- Feminized seeds are bred to yield female plants almost every time. For anyone growing for flower rather than for breeding, they eliminate the guesswork and the lost space of male plants.
Feminized and autoflowering are not opposites: most autoflowering seeds sold today are also feminized, and the label normally says so. Regular autoflowering seeds exist but are rare.
When Regular Seeds Still Make Sense
For the majority of buyers the answer is feminized. If the goal is flower, every male plant is space, light and weeks spent on something that will be thrown away, and a single missed male can seed an entire room. Feminized seeds avoid that problem completely.
Regular seeds justify their place in three situations. Breeders need males for pollen. Growers who want to hunt for a keeper from a large population often prefer the wider genetic variation of regular stock. And some traditional lines are simply available in regular form. Outside those cases, paying for seeds that are half male is hard to justify.
Photoperiod Control vs. Autoflower Speed
Photoperiod plants remain in vegetative growth as long as they receive long days and switch to flowering when the light drops to around twelve hours. That hands the grower control: vegetate for two weeks or two months, shape the plant, then flip flowering when it fits the space.
Autoflowers disregard the light schedule and bloom on a timer set by genetics, typically a few weeks after sprouting. The whole run from seed to harvest is shorter, the plants stay small, and they can be run under continuous light from start to finish. The downside is that mistakes cannot be fixed by extending veg: a stunted autoflower remains stunted. Beginners, balcony growers and anyone with limited height often do well 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 most of it is more informative than the strain name.
- THC and CBD ranges. Stated figures are from the breeder’s own tests under controlled conditions. Read them as a ceiling, not a promise.
- Flowering time. For photoperiod strains this is measured from the light flip; for autos it is often given as total time from seed. Confirm which convention the breeder follows.
- Yield estimates. Given per square metre indoors or per plant outdoors, and heavily reliant on the grower. Use them to compare strains from the same breeder, not across breeders.
- Lineage. The parent strains show you what to expect in smell, structure and temperament far better than any marketing copy.
- Sativa, indica or hybrid. These days almost everything is a hybrid; the percentages point at growth habit (height, internode spacing, flowering time) more than at effect.
Telling Live Seeds From Dead Ones
Appearance is a loose guide to viability, not a test, but a few indicators are worth knowing.
- Surface. A faint waxy sheen is typical. Splits, dents or obvious mould disqualify a seed.
- Shell. A hard shell that does not crack under light finger pressure is a healthy sign; seeds that crush easily are dead.
- Size. Bigger is not better; seed size varies by strain, and some excellent genetics make small seeds.
- Float test. Dropping seeds in water and discarding floaters is popular but crude: healthy seeds often float until the shell absorbs water.
- Colour. Brown, tan, grey or striped seeds are usually mature. Pale green or white seeds were harvested too early and seldom sprout.
Cool, Dark, Dry, Still
Cannabis seeds stay viable for years if they are stored properly and for months if they are not. The enemies are warmth, light, moisture and fluctuation.
- Keep them still. Moving seeds between warm and cold repeatedly does more harm than either condition on its own; open the container as rarely as possible.
- Keep them dry. A sealed container with a desiccant packet stops the humidity swings that trigger premature germination or mould.
- Keep them dark. Light degrades the embryo over time, so an opaque container is better than a clear one.
- Keep them cool. A constant temperature in the fridge range slows the seed’s metabolism without damaging it; the freezer is risky unless the seeds are bone dry.
Cracking the Shell
Every grower has a preferred method, but the requirements are the same whichever you choose: moisture, warmth, darkness and oxygen.
- Soak the seeds in room-temperature water for no more than a day to soften the shell. Any longer and they can drown.
- Move them to a damp paper towel within a closed container, or straight into a starter pot of light, moist medium. Keep the temperature in the low-to-mid twenties Celsius.
- Wait. Most seeds show a taproot inside two to five days; some need a week or more.
- Once the taproot is about a centimetre long, plant it root-down, just below the surface, and provide gentle light once 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 for good.
Vetting the Seller
Genetics are only as good as the source, and the difference between a reputable seed bank and a middleman of uncertain stock shows up in germination rates, not on the website.
- Breeder transparency. A good seller names 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.
- Pack options. Multiple pack sizes let you to try a strain before committing; Bud Weed Seeds offers packs of 3, 5 and 10 seeds on most lines.
- Clear policies. Shipping regions, packaging, and what the seller does when seeds fail to sprout should all be spelled out up front.
- Storage on their end. Ask how stock is kept. Seeds sitting in a warm warehouse for a year lose viability before they reach you.
What Happens After Checkout
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 arrival when started as described above, Bud Weed Seeds sends a replacement for it. The request needs the order number and, in most cases, a photo.
Seeds, Plants and the Law
The law on cannabis seeds is distinct from the law on cannabis itself, and it varies widely by country. In many European jurisdictions 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 prohibited.
Bud Weed Seeds does not send orders to the United States, where importing of cannabis seeds is not permitted. It is the buyer’s responsibility to check the rules in their own jurisdiction before ordering, and nothing on this page should be read as legal advice.
Still Wondering?
How long do cannabis seeds last?
Kept cool, dark and dry, most seeds germinate well for two to three years and often far longer. Kept in a warm drawer, viability drops sharply within a year.
Are autoflowering seeds less potent?
Modern autos are much closer to photoperiod strains than early ones were. Harvests per plant are generally smaller because the plants are smaller, but potency in good lines is similar.
Does Bud Weed Seeds stock CBD-only strains?
Yes. The catalogue includes CBD-dominant lines with negligible THC, marked as such on the product page, as well as balanced and THC-dominant strains.
Why did a seed fail to germinate?
The most frequent causes are too long in water, low temperatures, a medium that is too wet or too dry, and damage to the taproot during handling. Genuinely dead seeds are less common than mistakes in the process.
Can I tell the sex of a seed by looking at it?
No. Claims based on shape, markings or the scar at the base have no scientific basis. Only feminized breeding, or waiting for the plant to show preflowers, determines the sex.




