A Grower’s Handbook to Cannabis Seeds

Any cannabis plant begins 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 avoids months of lost effort later. The market has grown enormously, and https://budweedseeds.com currently lists 400 strains from breeders across the industry. 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.

One Seed, One Genetic Lottery Ticket

A cannabis seed is a tiny, hard embryo wrapped in a protective coat. Viable seeds are usually brown, grey or tiger-striped, 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 fuel the first days of growth.

Genetically, each seed is a one-off combination of its two parents, and that is why two seeds from the same pack can turn out noticeably unalike. Breeders reduce 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 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 belongs to 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 remove the guesswork and the wasted space of male plants.
  • Regular seeds give male and female plants in roughly equal numbers. They are favoured by breeders and by growers who want to make their own seeds, but they mean identifying and culling males before they pollinate the females.
  • Autoflowering seeds contain ruderalis genetics that make the plant to flower on age rather than on light cycle. They are more compact, faster and more forgiving of less-than-ideal conditions, usually at the cost of yield and potency.

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 time spent on something that will be discarded, and a single overlooked male can seed an entire room. Feminized seeds avoid that issue entirely.

Regular seeds earn their place in three situations. Breeders need males for pollen. Growers who want to select 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 difficult to defend.

Why Autos Behave Differently

Photoperiod plants remain in vegetative growth as long as they receive long days and move to flowering when the light falls to around twelve hours. That gives the grower the decision: vegetate for two weeks or two months, train the plant, then trigger flowering when it suits the space.

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

Numbers on the Pack, Explained

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 own tests under controlled conditions. Read them as a ceiling, not a guarantee.
  • 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.
  • Flowering time. For photoperiod strains this is measured from the light flip; for autos it is usually given as total time from seed. Check which convention the breeder uses.
  • Yield estimates. Given per square metre indoors or per plant outdoors, and strongly dependent on the grower. Use them to compare strains from the same breeder, not across breeders.

A Quick Viability Check

Appearance is a loose guide to viability, not a test, but a few signs are reliable.

  • Shell. A hard shell that does not crack under light finger pressure is a healthy sign; seeds that crush easily are non-viable.
  • Size. Bigger is not better; seed size varies by strain, and some top genetics produce small seeds.
  • Surface. A faint waxy sheen is normal. Splits, dimples or visible mould disqualify a seed.
  • 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 still. Shifting seeds between warm and cold repeatedly does more harm than either condition on its own; open the container as rarely as possible.
  • Keep them dark. Light degrades 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 swings that start premature germination or mould.
  • Keep them cool. A steady temperature in the fridge range slows the seed’s metabolism without damaging it; the freezer is risky unless the seeds are fully dried.

Cracking the Shell

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 up to a day to soften the shell. Any longer and they can drown.
  2. Move them to a moist paper towel inside a closed container, or straight into a starter pot of light, moist medium. Keep the temperature comfortably warm.
  3. Wait. Most seeds show a taproot inside two to five days; some take a week or more.
  4. Once the taproot is about a centimetre long, plant it root-down, shallowly, and give gentle light as soon as the seedling emerges from the surface.

Touch sprouted seeds as little as possible; the taproot breaks easily and a damaged one frequently stalls the seedling for good.

Where the Seeds Come From Matters

Seeds are only as good as the source, and the difference between a serious seed bank and a middleman of uncertain stock shows up in germination rates, not on the website.

  • Original packaging. Seeds should ship in the breeder’s original packs, not repackaged in a plain bag.
  • Storage on their end. Check how stock is stored. Seeds sitting in a warm warehouse for a year lose viability long before they reach you.
  • Clear policies. Shipping regions, discretion, and what the seller does when seeds fail to sprout should all be stated in plain language.
  • Pack options. Multiple pack sizes let you to try a strain before buying in bulk; Bud Weed Seeds sells packs of 3, 5 and 10 seeds on most lines.

Delivery, Packaging and Replacements

Bud Weed Seeds delivers to the EU, the UK and Canada. Orders are sent in discreet packaging with no mention to the contents on the outside.

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 claim 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 differs widely by country. In many European countries seeds are traded legally as souvenirs or for agricultural purposes, while germinating them stays illegal. Elsewhere both buying and growing are allowed 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 importing of cannabis seeds is not permitted. It is the buyer’s duty to know the rules in their own country before ordering, and nothing on this page should be read as legal advice.

Still Wondering?

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

No. Methods based on shape, markings or the crater at the base have no scientific basis. Only feminized breeding, or waiting for the plant to reveal preflowers, tells you the sex.

Why did a seed fail to sprout?

The commonest causes are too long in water, cold, a medium that is too wet or too dry, and injury to the taproot during handling. Genuinely dead seeds are rarer than mistakes in the process.

Does Bud Weed Seeds sell CBD-only strains?

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

Are autoflowering seeds weaker?

Modern autos are much closer to photoperiod strains than early ones were. Yields per plant are generally smaller because the plants are smaller, but potency from reputable breeders is comparable.

How long do cannabis seeds last?

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