22 Best Purple Cannabis Strains to Grow from Seed

Best purple strains list: the best weed strains with real purple buds. The most purple-colored strains of marijuana to grow from seed.

Genetics play a major role in the pigmentation of cannabis. Purple weed strains naturally develop dark colors due to high amounts of anthocyanins, a group of flavonoids responsible for the red, blue, and purple pigments in various plant species.

You can grow legitimate purple buds at home or commercially by purchasing purple strain marijuana seeds online. Each purple weed strain listed below is ready to buy as feminized or autoflower seeds, with swift and discreet US shipping.

Best Feminized Purple Strains

GDP

The “Royal Indica” strain, known as Grand Daddy Purple, Grand Daddy Purps, or GDP, is one of the world's best purple marijuana strains. Featuring magnificently dense and unusually frosty buds, Ken Estes' original Grand Daddy Purple is always a bestseller in seed and bud markets. These short plants maintain a tight profile, growing many bud sites right down to the stalks. Suitable for cultivation inside and out, GDP exhibits notable resistance to mold and finishes early outdoors by the second half of September. Its purple color emerges during the end of flowering—lower temperatures will speed up the process. You can expect excellent bag appeal, mouth-watering terpenes, and narcotic effects. 17–23% THC.

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Purple Punch

Purple Punch is a best-selling indica hybrid that brings out the best in two famous American marijuana strains—GDP and San Fernando Valley (SFV) OG Kush. With heavy yields, rapid development, and great resilience, Purple Punch offers anyone an easy-growing purple cannabis crop. The plants remain compact while developing multiple side branches, bearing dense, trichome-laden buds dripping in resin. They show resistance to fungal infections, cold, and spider mites to a good degree. The outdoor harvest date falls between the second and third weeks of September. Its tantalizing terpene profile is reminiscent of a bakery. Purple Punch has restful, de-stressing effects. 25% THC.

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Purple Kush

Purple Kush is a pure indica cross of Hindu Kush and Purple Afghani that emerged from Oakland, California. Reputed for its sedative, full-body high, Purple Kush is a superstar of the West Coast medical scene. Purple Kush feminized seeds become fast-growing broadleaf indica plants that adapt to most conditions indoors or out. They resist resist powdery mildew and mold if given enough airflow. The outdoor harvest comes early at around late September. The finished buds are round, purple, blanketed in sticky trichomes, and exude sweet fragrances of grapes and spices. Up to 22% THC.

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Purple Haze

Purple Haze is perhaps the most popular purple cannabis variety of all time, famous worldwide due to the Jimi Hendrix song of the same name. This old-school sativa strain first appeared in the sixties and remains a bestseller today. Purple Haze feminized seeds are effortless to cultivate and highly rewarding for both indoor and outdoor growers. They become shorter plants than the typical sativa and show resistance to most diseases and fungi. As temperatures drop, Purple Haze develops eye-catching hues of blue and purple. The buds give off an earthy, sweet smell and taste. Its high is inspiring and creative. 18% THC.

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Purple Queen

Purple Queen is mostly an indica hybrid with intoxicating aromas and gooey purple buds. It was bred using the most purple-colored phenotypes of two landrace cannabis strains—Hindu Kush and Purple Afghani. Purple Queen feminized seeds produce branchy bushes that grow wider than they do tall, rarely exceeding one meter in maturity. These forgiving plants react well to any growing medium or method and tolerate high levels of nutrients. They are fast to flower and heavy yielding. When grown outdoors, Purple Queen finishes in mid-September. The buds present vibrant purple colors, pungent pine-fuel terpenes, and knockout, physically stoned effects. 22% THC.

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Ayahuasca Purple

Ayahuasca Purple is a special purple strain descended from Red River Delta genetics that were gifted to Barney’s Farm by a US Army veteran living in Alaska. The seeds produced extremely colorful ruby red and purple weed plants, which were then crossed with Sensi Seeds’ Master Kush to create Ayahuasca Purple. This pure indica strain grows wide with big fan leaves and colossal dense colas that will need support in the final week of flowering. Ayahuasca Purple does best when grown indoors or in warm outdoor areas, where it finishes before the end of September. The end product has striking purple hues and rich aromas like hazelnut or papaya. The high is euphoric yet comforting. 21% THC.

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Purple Gelato

Purple Gelato is a cross between the legendary Purple Haze and the modern wonder Gelato. The resulting indica-dominant hybrid produces vibrant violet flowers packed with sweet, sticky buds. Purple Gelato feminized seeds grow into bushy, heavy-feeding plants, although taller than the average indica. They respond well to height-restricting techniques that promote lateral growth and bud production for optimal yield indoors. Outdoors, Purple Gelato is ready to harvest around mid-October. The end product features dessert-like aromas and flavors. Its high combines cerebral euphoria with physical tranquility. 22% THC.

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Blackberry Kush

Blackberry Kush is an 80% indica strain that originated in the Californian medical cannabis community. This dark purple hybrid crosses Afghani and Blackberry genetics. Blackberry Kush feminized seeds grow into compact plants with aggressive side branching. They prefer dry climates or controlled indoor settings and may need extra bloom nutrients to produce the best yields. Outdoors, Blackberry Kush matures by mid-October. The flowers are frosty and dense, giving off delectable scents of blackberry and gasoline with a matching taste. Its hard-hitting high brings on calming, soothing sensations. 20% THC.

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Frisian Dew

Frisian Dew is a prize-winning cannabis strain with beautiful purple colors that flourishes when grown outdoors. A cross of Super Skunk and Purple Star, Frisian Dew has been intensively selected over many generations to produce a stable variety that grows fast and yields profusely without suffering losses to the notorious Botrytis mold. It is a perfect choice for growers of all skill levels who need a hardy purple marijuana strain. Frisian Dew plants grow big and tall, reaching up to twelve feet in height and width. Harvest falls between the end of September and early October. Its strong branches hold purple flower clusters with high bud-to-leaf ratios and fresh, fruity terpenes. The high is both heady and stoney.

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Miracle Alien Cookies

Miracle Alien Cookies, aka MAC for short, is among the most expensive cannabis varieties sold on the market, thanks to its gorgeous resin-soaked purple flowers of rock-hard density and powerful potency. This cookies strain emits an amazing terpene profile, exuding dank, gassy odors with sour citrus notes. MAC feminized seeds become straightforward plants to cultivate, adapting to most environments without growing too large but still able to deliver hefty yields. They perform best when scrogged indoors for a uniform plane and larger lower buds. Loved by many medical users, MAC's fast-acting high provides instant relief. 23–27% THC.

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Purple #1

Purple #1 is a balanced hybrid developed in Holland during the eighties. It's considered one of the first commercial purple strains and has been extensively used by breeders ever since. For sale in feminized and regular seeds, Purple #1 is simple to grow and quick to mature. The plants show mostly sativa characteristics, such as slender leaves and elongated colas. Adapted to thrive in Dutch summers, Purple #1 performs best when grown outdoors or in a greenhouse. As flowering commences, purple pigments appear on the calyxes and leaves—cold nighttime temperatures will bring out the darkest colors. It presents a fruity bouquet and a speedy high.

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Best Autoflower Purple Strains

Dark Devil Auto

Dark Devil Auto is a dark purple autoflower strain bred from Big Devil XL and an exotic auto variety with purple flowers. Its dusky color scheme comes from Hindu Kush genetics, also contributing to faster flowering. Full of hybrid vigor, Dark Devil Auto grows with strong central stems, big dominant colas, and numerous side branches. The plants mature in just eight or nine weeks from seed, reaching thirty to fifty inches tall. Its abundant resin in the leaves and flowers makes for effective bubble hash and rosin production, among other processes. The terpenes are sweet and citric with hints of incense. The buzz is psychoactive and relaxing. 15–20% THC.

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Purple Lemonade Auto

Purple Lemonade Auto is an indica-dominant autoflower arising from Californian genetics. This best-selling auto strain produces competitive yields of chunky purple buds with a citrus-like smell and taste, true to its name. Purple Lemonade Auto seeds become vigorous and sturdy plants that do not require much fertilizer to exceed expectations, growing to roughly three feet tall over their nine-to-ten-week life cycle. It's not only a top indoor strain but also performs well outdoors. The flowers are delightfully purple, contrasted by orange pistils and shiny sugar leaves. The buzz of Purple Lemonade Auto is uplifting and content. Up to 22% THC.

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Purple Punch Auto

Purple Punch Auto is an autoflowering version of the popular Purple Punch, made by crossing the original with Barney's Critical Auto. It's a very fast-flowering strain that does so automatically, taking only between fifty and sixty days from seed to harvest regardless of light cycle. Purple Punch Auto seeds produce easy-to-grow autoflowers that thrive indoors and out, yielding up to 400 grams per plant. This strain gets to about thirty inches tall, bushing out significantly and forming dense purple buds covered in sparkling resin. The smell and taste are akin to apple pie with cloves. Purple Punch Auto marijuana delivers unwinding, alleviating effects. 18% THC.

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Blackberry Kush Auto

Blackberry Kush Auto is the result of crossing the original Blueberry with a very dark and resinous Hindu Kush plant. This indica-dominant purple autoflower is an easy strain to grow for beginners and professionals alike. The plants show explosive growth in their early stages, taking ten weeks in total to mature. They remain stocky indicas with average heights of thirty inches. You can expect generous harvests of fruity purple buds oozing with resin. Its high is powerfully narcotic.

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Pink Kush CBD Auto

Pink Kush CBD Auto is a high-CBD strain of medical cannabis with at least a 30:1 CBD:THC ratio. This 90% indica autoflower grows well in just about all environments, taking just nine weeks to harvest from seed. The flowers display profoundly dark colors throughout their small leaves and buds, enveloped in plum tones so dark they are almost pitch-black. The scent and taste resemble pine or damp forest with hints of earth and fruit. CBD is rated at approximately 17% with only 0.5% THC. Pink Kush CBD Auto cannabis provides users with a light, therapeutic sensation.

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Red Poison Auto

Red Poison Auto is an award-winning indica/sativa hybrid made by crossing Green Poison to a purple autoflower strain obtained from Hindu Kush genetics. This unique and colorful variety develops brilliant reddish-purple buds that darken even further as they dry. The plants grow stout but with long side branches and big main stalks, packing on beautiful large colas sporting red and purple hues. A fast producer, Red Poison Auto reaches maturity in only eight weeks from sprout, getting between 24 and 48 inches tall. The buds are skunky sweet, dense, and liberally coated with crystals. Its high is both inspiring and relaxing. Up to 19% THC.

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Runtz Auto

Runtz Auto is an autoflowering version of the exotic weed strain Runtz, bred by adding Barney's Super Auto #1 to the mix. It manages to deliver similarly outstanding results in just seventy days from seed. Runtz Auto plants produce bumper crops both indoors and outdoors, achieving final heights of four feet on average. The buds gain brilliant purple shades underneath sugary trichome frosting. It smells and tastes close to the original, like a box of assorted candies. Runtz Auto marijuana gives off peaceful, worry-free effects.

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LSD-25 Auto

LSD-25 Auto is a potent autoflower that gets an explosion of colors in its buds, ranging from pink, purple, magenta, and violet. The pigments shift once blooming begins, appearing as if the flowers were splattered in paint. Top-sellers at the best seed banks, LSD-25 Auto seeds become bulky plants that put on phenomenal size and weight, growing big swollen colas. They are quick and easy to grow, staying manageable at under four feet, but require plenty of food and water to reach maximum potential. After nine to ten weeks of growth, the finished product comes in with pungent diesel and berry qualities. As the name suggests, its high is psychedelic. Up to 21% THC.

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Black Cream Auto

Black Cream Auto is a cross between Sweet Seeds' most awarded variety, Cream Caramel, and an exotic purple auto strain descending from Pakistani Kush ancestors. The plants turn a deep shade of purple, so dark they look nearly black, hence the name. Black Cream Auto seeds grow into squat indicas with close internodes and many small branches around large main colas. The cultivation time from seed to harvest is a quick eight weeks, with final heights ranging from 24 to 43 inches—short enough to fit in small indoor spaces under LED grow lights. The buds smell and taste like candy and are highly resinous. Its buzz is calming yet creative. 15–18% THC.

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C4 Auto

C4 Auto, previously known as C4-Matic Auto, is one of Fast Buds' first strains to be released. Originally made from Big Bud, Skunk, White Widow, and Canadian Ruderalis, C4 Auto has improved over the years through selective breeding to become a stable and potent purple autoflower variety for sale as feminized seeds. The plants grow into bulky, resilient indicas with short internodes, soon to bear tightly packed flowers exploding in purple colors. In just nine weeks from germination, C4 Auto is ready to harvest. The typical height of the matured crop is between 28 and 39 inches. The smell and taste compare to lemon sorbet. Its balanced high is immediately felt in the mind and body. Up to 20% THC.

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Purple Kush Auto

Purple Kush Auto is an autoflowering version of Purple Kush, regarded by many as one of the best Kush strains on earth. Late into maturity, its flowers take on a vibrant purple tone with contrasting orange pistils. Purple Kush Auto seeds become easy-growing plants that stay low to the ground, growing bushy while only reaching one to two feet tall. The buds are solid in density and highly resinous, gleaming in trichomes above dark purple hues. The aromas and flavors are similar to grape. Its buzz is a deep body stone. 18% THC.

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