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Best-Selling Cannabis Seeds July 2021

Top 10 Best Outdoor Strains

The top 10 best outdoor strains to grow (listed below) are mostly indica-sativa hybrids, with a few pure sativa strains too. All high-yielding strains good for growing outdoors. Mold and mildew resistant strains to buy as regular or feminized cannabis seeds (aka marijuana seeds or weed seeds). The plants are resistant to mold, or at least less susceptible than other so-called “mold resistant” strains we’ve tried outdoors in Hawaii.

Diesel (New York City Diesel) | Soma Seeds

NYC Diesel, or New York City Diesel, is a great strain for outdoor cash croppers. This surprisingly mold resistant strain produces sweet, chunky, heavy buds that reek of petrol. NYC Diesel is a 60% sativa/40% indica hybrid first grown in the Big Apple.

🌱 Plants can shoot up to 3 meters tall. NYC Diesel grows vigorously, especially when provided extra hours of intense light. Also does well indoors grown in a hydro setup.

⚖️ The buds have a dank indica appearance despite it being a sativa dominant strain. Yields are high as well as quality.

💦 Easy to grow mold resistant strain from seed.

👍 Breeds strong hybrids and clones easily, NYC Diesel cuttings root quick.

NYC Diesel is a good all-around easy growing strain for producing good pot. As long as the plant has enough airflow, its buds have no problem finishing outdoors in wet climates. They can even handle being rained on. To be honest, it’s not the tastiest strain out there, but the smell is real strong, and it yields better than most candy strains.

Genetics	Originates from the Chemdawg line
Flowering Time	10–12 weeks
Pack Size	1/5/10/50/100 seeds
Yield	Indoors: 475 g/m2; Outdoors: 950 g/plant
Mold Resistance

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Blue Dream | ILGM

Blue Dream is a super popular cannabis strain for a reason. It grows top-shelf quality, dank buds on sativa plants that can get huge. High THC content up to 21%. This 70% sativa dominant hybrid originates from the West Coast.

🌱 Plants grow to enormous sizes. Blue Dream is a true beaster strain.

⚖️ High yields of potent, fruity-sweet herb. The buds have colorful blue and silver hues, shining in a thick coat of crystals.

💦 Mold resistance is well above average, but make sure to give this strain some extra care and attention towards the end. The resulting A-grade nuggets will thank you.

👍 An extremely easy to grow strain from seed and clone.

How many growers have been getting rich off Blue Dream? Some are against growing something so popular, but the fact is people love smoking Blue Dream and want to buy it—a constant demand needs a constant supply.

Genetics	Blueberry x Haze
Flowering Time	65–70 days
Pack Size	5/10/20 seeds
Yield	Indoors: 350–500 g/m2; Outdoors: 2–3 kg/plant
Mold Resistance

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South African Kwazulu | World of Seeds

Kwazulu is a landrace sativa that produces a massive dominant cola filled with big stinky buds. It is a true mold resistant variety, suitable for cultivation indoors or outdoors. This is one of the few top-grade pure sativa strains that can compete with the best marijuana strains of today’s market.

🌱 Plants have the potential to grow large. If provided with a long vegetative growth cycle, Kwazulu turns into a tree.

⚖️ Buds are very big in a bag and look stunning, a real eye-catcher when finished good. Kwazulu has a pleasant smell and taste. Yields are well above average, more than most pure sativa strains.

💦 Does well outdoors with its high resistance to Botrytis cinerea (grey/blue bud mold) during flowering.

👍 Easy growing strain with a nice buzz. Stable genetics for breeding.

My last Kwazulu plant got drenched in a 10-day tropical rainstorm right before harvest. After the storm, there was no mold damage… simply a few brown spots of rot had to be picked out. Truly a rugged strain.

Genetics	South African landrace sativa
Flowering Time	8–9 weeks
Pack Size	3/7/10/12 seeds
Yield	Indoors: 350 g/m2; Outdoors: 450–500 g/plant
Mold Resistance

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Grand Daddy Purple | Granddaddy Purple (Ken Estes)

Grand Daddy Purp, Grand Daddy Purple, or GDP by Ken Estes is the best choice for growers who want high-grade purple pot. These famous West Coast buds are saturated in trichomes and packed with sugar leaf down to the stalk, resulting in very sticky trimming scissors. The aroma of real deal GDP is heavenly—get a good whiff of it, and that strong smell stays in your head all day. GDP is 70% indica/30% sativa.

🌱 Plants grow into a bushy indica plant structure. Grand Daddy Purple grows at a moderate speed, faster than a lot of other purple strains.

⚖️ Yields are medium to high. Grand Daddy Purp is a heavy feeding plant, so make sure there are plenty of nutrients available to get maximum returns.

💦 Performs surprisingly well when faced with rain and high humidity despite being an indica dom. Good air circulation ensures success.

👍 Amazing quality and appearance. Purple colors come out late in flowering at cooler temps.

Grand Daddy Purple buds are always in high demand. I got a hold of the seeds the first year Ken Estes released them and have been impressed with the strength of this strain, easy to grow anywhere and breeds well.

Genetics	Purple Urkle x Big Bud
Flowering Time	7–8 weeks
Pack Size	5/10 seeds
Yield	Indoors: 300–450 g/m2; Outdoors: 400+ g/plant
Mold Resistance

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Pineapple Chunk | Barneys Farm Seeds

Pineapple Chunk is a productive 60% sativa/40% indica hybrid cannabis strain that offers high yields of very marketable end product. Buy a few seeds to find a winner for cloning. Buy a few seeds to find a winner for cloning. These real-deal dank buds weigh out heavy on the weed scale. Strong tropical fruit flavors.

🌱 Plants can grow into multi-pound bushes reaching up to heights of 10 feet tall. Indoor growers may consider flowering Pineapple Chunk early to keep it compact.

⚖️ Buds that please the general market: plump, fruity, skunky, heavy, and dense. Yields well. Proper cultivation and care will bring abundant yields of creamy, pineapple dank.

💦 Handles outdoor climates well despite being a candy hybrid. A fast flowering marijuana strain.

👍 Very easy to grow from seed. Suitable for beginners as well as the experienced cannabis cultivator. Pineapple Chunk can handle heavy fertilization, so a hearty diet of nutrients is recommended.

Some phenotypes have the pineapple fruity smell, while others have a more cheesy taste and aroma. All possess a heavy-hitting indica high and very stoney smoke. Hawaiian growers love this strain for their outdoor medical gardens.

Genetics	Pineapple x Cheese
Flowering Time	55–60 days
Pack Size	1/3/5/10 seeds
Yield	Indoors: 650 g/m2; Outdoors: 750 g/plant
Mold Resistance

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Wild Thailand | World of Seeds

Thai strains are pure sativa landrace strains that grow into monster cannabis trees. They are some of the largest cannabis plants on earth. Cannabis connoisseurs prize Thais and other Southeast Asian sativas for their high THCV content, known to induce psychedelic effects comparable to magic mushrooms.

🌱 Grows tall quick. Thai strains will shoot up fast above other plants in a grow room. They are stretchy growing plants that love to suck up the light.

⚖️ Yields can be massive, but Thai strains have a very long life cycle that can take up to a year from germination. That’s why you don’t see pure Thai sativa everywhere on the market. Not for the quick cash cropper, more for the rare strain collector. World of Seeds sells a faster flowering Thai strain, named Wild Thailand.

💦 Ideal for tropical and subtropical climates or northern climate growers who are up for the challenge. Thai strains are some of the most mold resistant strains in the world.

👍 The smoke from Thai strains is super smooth, making it great for phat bong hits. Thai strains have a unique musky flavor like lavender or exotic spices. Good cheap cannabis seeds.

The secret to harvesting top-quality Thai weed is easy—just don’t pull early! The plants will turn yellow in color and drop a lot of their fan leaves during late flowering. Wait past this stage, and you’ll really see what the buds are capable of.

Genetics	Thai landrace sativa
Flowering Time	12–16 weeks or more!
Pack Size	3/7/10/12 seeds
Yield	Indoors: 300 g/m2; Outdoors: 1200+ g/plant
Mold Resistance

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Super Lemon Haze | Green House Seeds

One of Green House Seed Co’s best-selling strains, Super Lemon Haze, is an 80% sativa hybrid for anyone who loves fruity pot. Its buds taste and smell and just like real lemons.

🌱 Grows big, although not the fastest variety from seed. They can be rather woody plants with sharp, serrated edged leaves.

⚖️ Buds are lemony, fragrant, and pack a stench that reeks through the bag. Beautiful, shiny, and dense. Top shelf bag appeal. Yields as well as any other top cash cropper strains, which is rare for super fruity hybrids.

💦 Does well outdoors or indoors, growing into a sativa tree type pattern. These sativa dominant buds are not overly dense, which helps them breathe in heavy moisture climates.

👍 Relatively easy to grow anywhere.

Super Lemon Haze won back-to-back first prize at the Cannabis Cup and has remained a top seller for over a decade at the best marijuana seed banks.

Genetics	Lemon Skunk x Super Silver Haze
Flowering Time	10 weeks
Pack Size	3/5/10 seeds
Yield	Indoors: 800 g/plant; Outdoors: 1200 g/plant
Mold Resistance

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Bubble Gum | Serious Seeds

A classic fruity weed strain, Bubble Gum is a stocky 80% indica strain sporting lush, velvety flowers that taste identical to bubble gum when smoked. This cannabis strain is full of hybrid vigor.

🌱 Plants take on a wide, bushy stature. They grow vigorously, high in chlorophyll, with very fat stalks.

⚖️ Buds are soft as silk to the touch yet have a good density. A high-yielding indica strain.

💦 Try to keep Bubble Gum out of the rain. Not the most mold resistant strain out there, but it does better than many other indica hybrids.

👍 Easy to grow, easy to clone. It also does great under LED grow lights, forming up full and finishing solid to the end.

Bubble Gum cannabis seeds are a superb seed buy if you want a mold resistant candy strain. Bubble Gum has a long history on the Hawaiian Islands and is a trusted choice with old-time growers as well as the younger crowd.

Genetics	Originated in Indiana, USA
Flowering Time	8 weeks
Pack Size	6/11 seeds
Yield	Indoors: 350–500 g/m2; Outdoors: 450–550 g/plant
Mold Resistance

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Blue Widow | MSNL

Blue Widow is a colorful marijuana plant with an intoxicating flavor. It’s chronic weed that tastes great right down to the ashes. This 50% indica/50% sativa strain is so good that there’s a local on the Big Island with the nickname Mr. Blueberry Widow.

🌱 Plants grow short and bushy but, given enough light, can structure out large. Blue Widow is great for guerrilla growing plants in the bushes or indoor grow rooms and greenhouses.

⚖️ Buds are fruity and skunky, possessing that distinct strong, musty/pine widow smell combined with a blueberry fruitiness. Blue Widow forms up dense and looks amazing. Thick, juicy, and potent.

💦 A fairly mold resistant strain when grown with care. Even faced with Hawaii’s high humidity, Blue Widow buds hold up against Botrytis mold and powdery mildew.

👍 Color changes happen during the end of flowering. Enjoy the brilliant purple, red, yellow, and neon green colors of Blue Widow.

Blue Widow does well grown from seed outdoors and indoors, having earned a spot in many medical marijuana gardens in Hawaii and across the US. More stoney than some users may prefer, Blue Widow’s combination of sativa and indica effects may leave you feeling confused. Its high potency, strong aroma, and sugar-coated THC glaze make this strain a winner. Excellent bag appeal.

Genetics	Blueberry x White Widow
Flowering Time	8–10 weeks
Pack Size	10–500 seeds
Yield	Indoors: 400–500 g/m2; Outdoors: up to 1100 g/plant
Mold Resistance

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Early Pearl | Sensi Seeds

Early Pearl is an old classic variety from The Seed Bank catalogs. Early Pearl buds are light-green in color, extremely pungent, fat, and dank. Outdoor growers have mass-produced the Early Pearl strain for decades. People tend to call it whatever they want, meaning you may already know this strain under a different name. Early Pearl is a 75% sativa that grows like an indica.

🌱 Grows quick, developing into a short, stout plant that performs well outdoors, indoors, in grow tents, and in greenhouses.

⚖️ Buds are skunky, pungent, and have great bag appeal. Tasting Early Pearl buds is like a skunk spraying right in your mouth. Good high yields.

💦 One of the first strains to be noted as an “early mold resistant variety”.

👍 Its fast flowering time works great for quick cycling of seeds and clones.

I gave a stoner celebrity a bag of mixed buds that included Early Pearl, Purple Kush, and a few other top breeds. He only wanted the Early Pearl, giving the rest to friends. Stoners looking for stinky, dank, cat piss marijuana will be pleased with Early Pearl.

Genetics	Originated in the West Coast
Flowering Time	60 days
Pack Size	10 seeds
Yield	Slightly above average
Mold Resistance

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*Bonus: Purple Kush | MSNL

 

Purple Kush is an award-winning indica proven to be a reliable seed strain for both outdoor and indoor growers. Coming straight from California’s Humboldt County represents some of the best purple weed on the West Coast.

🌱 Plants grow bushy with large leaves in a typical indica fashion, up to 7 feet tall. Each phenotype shows unique color qualities from green to purple to intense violet.

⚖️ Buds have a beautiful dark appearance and fruity grape flavor. Purple Kush has top-shelf bag appeal. Yields are high.

💦 Mold resistant strain in most climates, be careful of rain on these indica buds.

👍 Breeds strong hybrids and clones easily—cuttings root fast in aero cloners.

Purple Kush is a great all-around strain that grows like other kush strains. These indica varieties flower a little longer than hash plants, but it is paid back in heavy, top-grade harvests.

Genetics	Hindu Kush x Purple Afghani
Flowering Time	8–10 weeks
Pack Size	1–500 seeds
Yield	Indoors: 400–500 g/m2; Outdoors: 600 g/plant
Mold Resistance

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*Read more about Purple Kush

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Topics include organic and non-organic methods of cultivation, indoor and outdoor growing, strain breeding, reviews. Sativa and indica. Landrace and IBL. Feminized, regular, and autoflowering seeds. Good strains for the outdoors, mold resistant strains, powdery mildew resistant strains, outdoor strains. Bud trimmers, weed fertilizers, cool grinders, aero cloners, gram scales, as well as grow tips, tricks, and other cannabis niche content.

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