Any cannabis plant starts as a seed, and the seed decides more than most people realise: the sex of the plant, how it responds to light, how large 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 currently lists 400 strains from breeders around the world. This guide covers the main seed types, how to read a strain description, what separates a good seed from a poor one, and how to store and start them correctly.

What You Are Actually Buying

A cannabis seed is a small, hard-shelled 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 nutrients 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 different. Breeders narrow that variation by stabilising a line over many generations, but some range is normal in any seed-grown crop. Clones are the only way to get exact copies; seeds exchange that certainty for vigour, a strong 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 first decision a buyer makes.

  • Autoflowering seeds carry ruderalis genetics that make the plant to flower on age rather than on light cycle. They are smaller, faster and more tolerant of imperfect 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 mean identifying and removing 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 mutually exclusive: most autoflowering seeds sold today are also feminized, and the description normally 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 weeks spent on something that will be thrown away, and a single overlooked male can seed an entire room. Feminized seeds avoid that problem completely.

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 broader genetic variation of regular stock. And some traditional lines are only available in regular form. Outside those cases, paying for seeds that are half male is difficult to defend.

Light-Driven or Clock-Driven?

Photoperiod plants stay in vegetative growth as long as they get long days and switch to flowering when the light falls to around twelve hours. That gives the grower the decision: 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 clock 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 grown under long light from start to finish. The trade-off is that mistakes cannot be corrected by extending veg: a stressed autoflower stays stunted. Beginners, balcony growers and anyone with limited height often do well with autos; growers after maximum yield from a fixed footprint generally prefer photoperiod stock.

Numbers on the Pack, Explained

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

  • 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 follows.
  • Lineage. The parent strains show you what to expect in smell, structure and temperament far better than any marketing text.
  • THC and CBD ranges. Stated figures are from the breeder’s own tests under controlled conditions. Read them as a ceiling, not a promise.
  • Yield estimates. Given per square metre indoors or per plant outdoors, and strongly dependent on the grower. Treat them to compare strains from the same breeder, not across breeders.

Signs of a Healthy Seed

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.
  • Colour. Brown, tan, grey or striped seeds are usually mature. Pale green or white seeds were picked too early and seldom sprout.
  • Surface. A faint waxy sheen is typical. Splits, dimples or obvious mould rule out a seed.
  • Float test. Placing seeds in water and rejecting floaters is popular but unreliable: fresh seeds often float until the shell takes on water.
  • Size. Larger is not better; seed size varies by strain, and some excellent genetics make small seeds.

Cool, Dark, Dry, Still

Cannabis seeds stay viable for years if they are stored properly and for months if they are not. The threats are warmth, light, moisture and fluctuation.

  • Keep them dark. Light degrades the embryo over time, so an light-proof container is better than a clear one.
  • Keep them still. Shifting seeds between warm and cold repeatedly does more damage than either temperature on its own; open the container as seldom as possible.
  • Keep them cool. A steady temperature in the fridge range holds back the seed’s metabolism without damaging it; the freezer is risky unless the seeds are bone dry.
  • Keep them dry. A sealed container with a desiccant packet stops the humidity changes that start premature germination or mould.

Cracking the Shell

Every grower has a preferred method, but the requirements are the same whichever you choose: moisture, warmth, darkness and air.

  1. Soak the seeds in room-temperature water for no more than a day to soften the shell. Any longer and they can drown.
  2. Move them to a damp paper towel inside a closed container, or straight into a starter pot of light, damp medium. Keep the temperature in the low-to-mid twenties Celsius.
  3. Wait. Most seeds show 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, just below the surface, and provide gentle light once the seedling breaks the surface.

Touch sprouted seeds as little as possible; the taproot breaks easily and a broken one often stalls the seedling permanently.

Vetting the Seller

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

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

Delivery, Packaging and Replacements

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

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

Legal Grey Zones

The law on cannabis seeds is distinct 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 remains illegal. In other places both buying and growing are allowed under licence or within personal limits, and in some countries ownership of seeds alone is prohibited.

Bud Weed Seeds does not ship to the United States, where importing of cannabis seeds is restricted. 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.

Questions Growers Ask

Why did a seed fail to sprout?

The most frequent causes are over-soaking, cold, a medium that is too wet or too dry, and damage to the taproot during transplanting. Genuinely dead seeds are less common than grower error.

How long do cannabis seeds last?

Kept cool, dark and dry, most seeds germinate well 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 examining it?

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

Are autoflowering seeds less potent?

Current autos are far closer to photoperiod strains than early ones were. Yields per plant are generally smaller because the plants are smaller, but potency in good lines is similar.