AK strains have been gaining popularity steadily since the mid-1990s. Our AK-48 is one of the strongest early-finishing strains available anywhere. Plants produce hard buds with an exceptional and penetrating aroma. Although AK-48 is an Indica/Sativa hybrid, its effect tends toward the 'high' commonly produced by Sativas. Although most growers will opt for a longer vegetative period to improve taste, under perfect conditions, AK-48 may finish in as few as 48 days

• Plant height: Short Plant
• Stoned or high?: Stoned INDICA
• THC level: High THC
• Flowering Weeks: 7/8
• Yield : 400/500
• Harvest Month: 10

Aurora Indica is an F1 hybrid of Afghan and Northern Light. Its plants stay short, producing heavy colas and dense buds. This strain produces exceptional amounts of resin, resulting in a deep, near-black hash with a tasty aroma and a heavy buzz. This probably is our most potent Indica

• Plant height: Short Plant
• Stoned or high?: Stoned relaxing
• THC level: High THC 15-24%
• Flowering Weeks: 7/8
• Yield : 450/550

Blackberry’s mother, Black Domino, was a clone sent to the Netherlands from the area around Seattle. Its father is Nirvana’s very own Raspberry Cough. Domino's tight leaf structure has been preserved well in this hybrid. Blackberry smoke is thick and heavy with subtle hints of Asian Sativa flavours. Yields are very good for a strain that already displays so many desirable traits.

• Plant height: medium Plant
• Stoned or high?: Stoned relaxing
• THC level: High THC 15-24%
• Flowering Weeks: 11 weeks or fewer
• Yield : 450/550
• indoor/outdoor: outdoor

BlackJack’s mother, Black Domino, was a clone sent to the Netherlands from the area around Seattle. Its father is Nirvana’s very own Jock Horror. BlackJack produces hard buds with huge, grape-like calyxes that are completely encrusted with THC! The smoke is heavy and flavoursome, and produces an exceptionally long-lasting high. BlackJack is thought of highly in the medical cannabis scene.

• Plant height: medium Plant
• Stoned or high?: Stoned relaxing
• THC level: High THC 15-24%
• Flowering Weeks: 11 weeks or fewer
• Yield : 450/550
• indoor/outdoor: indoor

Blue Mystic was especially selected for its soft blue hues that show up about mid way into flowering. Blue Mystic grows very similar to Northern Lights with all of its desirable qualities with an added colorful appearance and light berry after taste when smoked. Blue Mystic has a neutral smell in the grow room compared to many other strains.

Bubbelicious, also known as Bubble Gum is a medium tall, usually not too branchy (sometimes stretchy) plant, producing compact, crystal covered buds. Originally the Bubble Gum was developed by growers in Indiana, USA. From there the genetics moved to New England and eventually Holland. it took many generations to finally produce this stable Bubble Gum, with the characteristic, sweet smell (truly resembling a typical bubble gum taste) and euphoric high; the original trademarks of this famous strain. The only inbred strain (no F1 hybrid) in the Serious menu. Winner of two awards in the High Times Cannabis Cup of 1994, a 2nd place in 1995 and again a 2nd prize in 1999, giving Bubble Gum a total of 4 awards from the judges.

Chrystal is a White Widow hybrid that has been re-back-crossed with Northern Light. Its big sticky buds give off an almost kerosene-like aroma and produce a quick-hitting high. An F1 hybrid, Chrystal produces outstanding yields of top quality grass. Its plants are much easier to manicure than White Widow. Chrystal was a first place winner of the Dutch Highlife Cup in 2002

• Plant height: medium Plant
• Stoned or high?: all around effect
• THC level: High THC 15-24%
• Flowering Weeks: 8 weeks or fewer
• Yield : 475/575
• indoor/outdoor: indoor

We came across this beauty on one of our many research trips to Southeast Asia, to be precise, at the Full Moon party held monthly on the Thai dream island of Koh Phangan. Full Moon is everything you would want Thai weed to be like. This totally tropical Sativa packs a trippy, almost spooky, visual high. Under high wattage bulbs, its popcorn buds become somewhat tight and heavy. Full Moon has a sweet scent and an unmistakably Thai spicy flavour.

• Plant height: tall
• Stoned or high?: high - energising  
• THC level: High THC 15-24%
• Flowering Weeks: 12 weeks or more
• Yield : 350/450
• indoor/outdoor: indoor
• breeder - sativa seedbank

Hawaii Maui Waui is a lanky tropical sativa which has long been one of the main attractions of the Hawaiian Islands. This strain has a citrussy aroma, a smooth, fruity-herbal flavour and an inspiring buzz. This is a strain from true old school genetics, which means it is not as overpowering as modern indoor strains tend to be. Through years of careful inbreeding, we finally have managed to capture that elusive Valley Island taste.

• Plant height: tall
• Stoned or high?: high - energising  
• THC level: High THC 10-15%%
• Flowering Weeks: 11 weeks or fewer
• Yield : 350/450
• indoor/outdoor: outdoor
• breeder - sativa seedbank

The roots of our Haze lie in the foothills of the Bay Area, California, in the 1970s. It is a stable magical mix of Columbian, Mexican, Thai and Jamaican strains. Haze has fluffy buds and a very long flowering period. It delivers an intense rushing high. Haze has a complex aroma which is reminiscent of non-cannabis plants. This strain is exceptionally suitable for medicinal applications.

• Plant height: tall
• Stoned or high?: high - energising  
• THC level: High THC 15-24%
• Flowering Weeks: 12 weeks or more
• Yield : 350/450
• indoor/outdoor: indoor
• breeder - sativa seedbank

With Ice we have successfully attempted to bring quality and quantity together. Ice has ancestors of Afghani, a very special Skunk, Northern Light, and Shiva. An intense selection process of thousands of plants was used in finding this special mix. Ice flowers are richly covered in trychomes and have a dense consistency. Buds form along main branches and there is a high flower to leaf ratio. Fantastic for hydro and soil applications. The stone is heavy and the aroma is almost like fuel. Ice is a winner of the 1998 Cannabis Cup.

• Plant height: Tall Plant
• Stoned or high?: High SATIVA
• THC level: High THC
• Flowering Weeks: 8/9
• Yield : 500
• Harvest Month: 8/9

Indoor Mix is a selection of five wonderful indoor varieties rolled up into one delightful surprise package! Like a box of chocolates, you never know what you're going to get. ;-) Indoor Mix provides you with a fabulous choice of pure indica, indica/sativa hybrid, and sativa strains. This varied selection really is excellent value for money

• Plant height: medium
• Stoned or high?: All around effect
• THC level: medium 8-15%
• Flowering Weeks: 12 weeks or more
• Yield : 400-500g

Jock is a multiple hybrid of Northern Light, Skunk and Haze. which delivers a strong up buzz. This variety produces so much resin even the branches glisten with glands. Jock Horror has a very unique fresh flavour and packs a strong up buzz. Finishes earlier than original Jack of a few years ago. One of our favourites.

Kaya is a hearty strain bred for rougher climates or novice indoor growers. Leaning on the Sativa side, Kaya grows big and tall yet finishes early. Kaya has a spicy flavour refreshingly different from Skunk and has a moderate THC level. She is pest resistant and can take the heat. Perfect for leaving somewhere with a global positioning system and finding it again in autumn. Kaya also thrives in a greenhouse.

• Strain: Indica / Sativa

• Parentage:

• Planting: Indoor /Outdoor (temperate climates)

• Flowering: 49-63 days / Sep-Oct

• Yield: 350g per sq m

• THC = 8-15%

First called High Rise, Master Kush was developed in one of the tall buildings in Amsterdam's Bijlmer area. Coffeeshop owners and regulars alike fell head over heels in love with this exclusive tetraploid strain. By popular demand, this Hindu Kush / Skunk hybrid was stabilized and marketed, and it has been a classic ever since. A strong plant of medium height and bushiness, Master Kush is a heavy producer which thrives in soil, hydro and greenhouse growing systems. Master Kush has a pleasantly earthy, mossy smell and its smoke is smooth

• Plant height: medium
• Stoned or high?: all around effect  
• THC level: High THC 15-24%
• Flowering Weeks: 11 weeks or fewer
• Yield : 4/
• indoor/outdoor: indoor

Medusa cannabis seeds 

Medusa is the latest addition Nirvana's. catalogue. Powerful Misty genes contribute to Medusa's ability to turn people to stone. Firm light green buds have a deep musty aroma and a sugar cane after taste. Superior quality smoke makes up for modest yields. Medusa is an absolute must for connoisseurs.

• Strain: Indica / Sativa

• Parentage:

• Planting: Indoor /Outdoor (warm climates)

• Flowering: 56-70 days / Sep-Oct

• Yield: 300-400g per sq m

• THC = 15-20%

A sensational and radical new mix, New York Power Diesel is an F1 hybrid of our popular Sativa Mexicana and a specially stabilised Aurora Indica. The latter's heavy, greasy narcotic buzz beautifully takes the edge off the crispness and speedy effect of the former. NYPD's shockingly powerful terpenoids result in a weed with a lemony flavour and the diesel-like aroma that inspired its name. Its plants grow tall stems with a surprisingly tight bud structure. Yields are not outstanding but still worthwhile

• Plant height: Tall Plant
• Stoned or high?: High SATIVA
• THC level: High THC -15-24%
• Flowering Weeks: 11 weeks or fewer
• Yield : 350/400
• breeder - sativa seedbank

Pure Indica and winner of the Indica strain 88, 89 and 1990; an absolute must for the indoor grower! Northern Lights dominated harvest festivals and many wonderful stains share its heritage. Through selective breeding we have succeeded in developing one of the most powerful plants in the world. Northern lights is highly adapted to indoor growing, compact, powerful, good yield and has exceptional resin production. Northern Lights is a most lucrative plant for the indoor grower. When it’s covered in snowy crystals of resin lights, it’s ready to harvest.

• Flowering: 45-51 days
• Height: 100-130cm indoor / 160cm or more outdoor
• Yield: ~128-180g indoor / 400+g outdoor in good conditions
• Indica/Sativa: 95/5
• Harvest: Primarily indoor, late Oct. if outdoor
• Sow: Sow when soil warms to 15C/59F or transplant after last frost

Papaya is a fast growing, disease resistant, and usually early maturing strain. This heavy, greasy indica stays short and dense, making it very suitable for Sea of Green gardens. Papaya has an exotic tropical aroma that's also reminiscent of whiskey pipe tobacco. The buzz from our Papaya is relaxing, lethargic, and almost narcotic

• Plant height: Short Plant
• Stoned or high?: Stoned relaxing
• THC level: High THC 15-24%
• Flowering Weeks: 7/8
• Yield : 450/550

Pure Power Plant

Pure Power Plant is a strong mostly Sativa variety developed in the late 90's from South African strains. PPP produces loads of trichomes and has tremendous growth potential. PPP is the latest trend among the big commercial growers because of its high yields of the highest priced buds. Pure Power Plant has a pleasant almost pine after taste and a powerful up social buzz.

• Strain: Mostly Sativa
• Parentage:
• Planting: Indoor /Outdoor (warm climates)
• Flowering: 56-70 days / Sep-Oct
• Yield: 350-400g per sq m
• THC = 15-20%

Royal Flush is an F1 hybrid of Jock Horror and an Eldorado from Oaxaca in Mexico. This variety grows tall and lanky with plenty of budding sites. Royal Flush has a unique sweet-and-sour flavour that will leave you smacking your lips, and its buzz is energetic and uplifting

• Plant height: Tall Plant
• Stoned or high?: High SATIVA
• THC level: High THC -15-24%
• Flowering Weeks: 11 weeks or fewer
• Yield : 350/400
• breeder - sativa seedbank

With its clear, uppy yet calming effects, Raspberry Cough comes highly recommended as a medical strain. Its mother is a Cambodian landrace with especially high THC levels, and its father is our award-winning perpetual favourite Ice. Raspberry Cough is an F1 cross with an abundance of red hairs and a tendency to develop blue hues in cooler night/dark temperatures. Raspberry Cough's aroma and flavour have a hint of Asian spice, yet taste decidedly Dutch. The tall, somewhat thin plants can be grown very closely together for maximum yields

• Plant height: Tall Plant
• Stoned or high?: High SATIVA
• THC level: High THC -15-24%
• Flowering Weeks: 11 weeks or fewer
• Yield : 400/500g
• breeder - sativa seedbank

Short Rider is a hybrid of our discontinued strains Top 44 and Early Special. Top 44 has long been a trade favourite because of its ability to produce commercially worthwhile amounts of strong, skunky buds in just 44 days of flowering. Even though Early Special itself lacks this characteristic, its Siberian Ruderalis genes give Short Rider the unique ability to "autoflower" - to flower independently of light cycles. This means you won't need to maintain a strict lighting schedule for this strain - it will flower regardless! Short Rider is a must for growers with limited space or who simply want to finish extra early. The quality is amazing considering how little time it takes to finish

• Plant height: Short Plant
• Stoned or high?: Stoned relaxing
• THC level: medium THC 8-15%
• Flowering Weeks: 8-9 weeks from seed to bud
• Yield : 30-40g per plant

Snow white cannabis seeds

Female Snow White is one of our highest quality selections from the “white" family. The fat pure indica father gives Snow White a denser statue than its close relative, White Widow. This plant is a big yielder with dense sticky buds covered in shiny trichromes. Well suited for hydro or similar systems. Great smooth taste and a powerful indica stone make this strain a nice Widow variation.

• Strain: Indica / Sativa

• Planting: Best suited to indoor growing

• Flowering: 56-70 days / Sep-Oct

• Yield: 350-450g per sq m

• THC = 15-20%

We have crossed our Haze with Northern Light to produce a heavier set plant. This classic F1 hybrid will still reach great heights, yet dense Northern Light-style buds form on its tall stems. The bud leaves are a bright lime green. As with any Haze hybrid, this strain does require some attention and patience. Sterling Haze smoke has that familiar sweet-and-sour haze-y taste and produces a stony yet uppy high

• Plant height: Tall Plant
• Stoned or high?: High SATIVA
• THC level: High THC -15-24%
• Flowering Weeks: 11 weeks or fewer
• Yield : 450/550
• breeder - sativa seedbank

Super skunk cannabis seeds

This plant is especially developed for Skunk lovers. Skunks and their Afghani ancestors have been crossed for this one. Brush against this plant and the room becomes immediately filled with a powerful Skunk aroma. Despite the smell a very pleasant high with a little more body to it than the Skunk #1«. One of the winners of the 1990 High Times Harvest Festival where it clearly defeated Skunk #1«. Yield in greenhouse: up to 500 gr.

• Origin : Holland
• flowering time : ~7-8 weeks
• Hight : 0.8 - 1.2 meters, depending on light conditions
• Yield : ~ 350 grams. (in a greenhouse under perfect conditions, 500 grams is possible)
• Type : Sative/Indica mix

Swiss Cheese is a hybrid of Nirvana’s discontinued Swiss Miss and a curious Skunk #1 phenotype that was discovered in the UK and smuggled to Amsterdam in 2007. A mix of a very early Swiss skunk and a robust strain from Nepal, Swiss Miss contributes an “old school” flavour that makes Swiss Cheese unique. This strain is mould-resistant and beginner friendly

• Plant height: medium
• Stoned or high?: all around effect  
• THC level: medium 10-15%
• Flowering Weeks: 8 weeks or fewer
• Yield : 400-500g
• indoor/outdoor: outdoor

Urban Poison is an indoor version of our famous South African strain Durban Poison. We took the Durban Poison and crossed it with Northern Light, after which we back-crossed the resulting hybrid with its parent again. Eventually, we came up with this predominantly Sativa variety which retains an aroma of juniper berries and a trippy high. Structure- and potency-wise, this plant is comparable to modern indoor production strains

• Plant height: tall
• Stoned or high?: high - energising  
• THC level: High THC 15-24%
• Flowering Weeks: 11 weeks or fewer
• Yield : 350/450
• indoor/outdoor: indoor
• breeder - sativa seedbank

One of Nirvana's new production Skunks, this feminized selection starts slowly then comes on strong with more rapid growth creating big buds. Venus has nice large leaves and a curious aroma. Venus is a new generation Ganja with good yields and a strong high.

• Strain: Indica / Sativa

• Parentage:

• Planting: Indoor /Outdoor (warm climates)

• Flowering: 56-70 days / Sep-Oct

• Yield: 450-550g per sq m

• THC = 8-15%

White Castle is an F1 hybrid of two absolute winners. With a White Widow mother and our award-winning Ice for a father, White Castle is as outrageous as one would expect. The sturdier, denser structure of Ice really thickens up the often light and wispy White Widow buds. White Widow's flavour, strength, and social high remain very present in this strain. Medical patients are extremely fond of White Castle for its pain-killing properties

• Plant height: medium
• Stoned or high?: all around effect  
• THC level: medium 15-24%
• Flowering Weeks: 12 weeks or more
• Yield : 400-500g
• indoor/outdoor: intdoor

White Rhino is a powerful F1 hybrid of White Widow and a curiously strong North American indica strain. White Rhino could have medicinal applications because of its high T.H.C. content. The taste of this smoke is hashy and slightly harsh, a good bong smoke. The American father of the Rhino is more indica than the White Widow father, creating a denser and somewhat shorter plant. The buzz is stoney and comes on hard.

White Widow marijuana seeds

White Widow is one of a kind and winner of the Cannabis Cup in 1995! This plant is the strongest among the weed species. Has the highest percentage of THC !!! Also known as Snow White, A relatively short plant with high flower to leaf ratio it can do well indoor and outdoor. White Widow has a delicious aroma and sweet smooth fresh taste, as well as a serious high. Watch the flower maturing stage and harvest at the peak of white crystal formation which will cover the flowers. Avoid excessively cool damp conditions in the maturing phase.

• Flowering: ~56-60 days
• Height: ~80cm indoor / outdoor150-200cm
• Yield: ~240g indoor / ~395g or more outdoor
• Indica/Sativa: 60/40
• Harvest: If outdoor end of Oct.
• Sow: After last frost ~ April/May or when soil warms to 15C/59F

Wonder Woman (100% Female) 

Wonder Woman is another new high volume production skunk. Fresh genetics make it possible to achieve over ½ kilo per square metre! Rock hard buds are easy to trim. The smoke has a classic rich skunk flavour accompanied by a fairly long lasting buzz.

• Strain: Indica / Sativa

• Parentage:

• Planting: Indoor /Outdoor (warm climates)

• Flowering: 56-70 days / Sep-Oct

• Yield: 450-550g per sq m

• THC = 8-15%