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Top 10 Best Outdoor Mold Resistant Weed Strains of All Time

These strains are mostly hybrids, with a few pure sativas too. All high yielding productive strains good for the outdoors. Plants that don’t get bud mold or are at least less susceptible to it. This list includes the strains that grow best outdoors for us in Hawaii. Links go to trusted seed banks that ship worldwide.

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, high-yielding buds that reek of petrol. NYC Diesel is 60% sativa 40% indica.

🌱 Plants can shoot up to 3 meters tall.

⚖️ Buds have a dank indica appearance despite it being a sativa dominant strain. Yields high. Diesel grows speedy, especially when provided extra hours of intense light.

💦 Easy to grow mold resistant strain from seed.

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

NYC Diesel strain is a good all around easy growing strain for producing good pot. As long as the plant has enough airflow, the 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	3-way hybrid of Afghani, Mexican and Hawaiian
Flowering Time	9-10 Weeks
Yield	Indoors: 475 g/m2; Outdoors: 950 g/plant
Seed Sex	Regular, Feminized
Mold Resistance

👇 Buy NYC Diesel seeds

Blue Dream | Humboldt Seed Organization

Blue Dream is a super popular cannabis strain for a reason. The fruity, crystalline buds have a dank indica bag appeal combined with a high (17-24%) THC content. Blue Dream is 60% sativa 40% indica.

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

⚖️ High yields of potent & sweet fruity herb. The flavor is berry-sweet, and the gleaming buds have a luxurious shine.

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

👍 Extremely easy to grow 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
Yield	Indoors: 350-500 g/m2; Outdoors: 2-3 kg/plant
Seed Sex	Feminized
Mold Resistance

👇 Buy Blue Dream seeds

South African Kwazulu | World of Seeds

Kwazulu is a landrace sativa that produces high yielding big stinky buds. A true mold resistant sativa strain, grown indoors or outdoors. This is one of the few high quality pure sativa strains that can compete with the dank strains of today’s market. This landrace African sativa strain produces a big main heavy yielding cola.

🌱 Plants have the genetic potential to take on a large growth structure. If provided with a long vegetative growth cycle, Kwazulu females can grow gigantic.

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

💦 Does well outdoors with it’s 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
Yield	Indoors: 350 g/m2; Outdoors: 450-500 g/plant
Seed Sex	Regular, Feminized
Mold Resistance

👇 Buy South African Kwazulu seeds

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 good looking pot. These famous luxury buds are saturated with sticky crystals, complete with sugar leaf down to the stalk. The smell of real deal GDP buds is heavenly, get a good whiff of this chronic herb and it’s strong smell will be stuck with you 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 moderately heavy. Be certain that there are adequate nutrients available to ensure a mass bulk-up during flowering. Grand Daddy Purp is a heavy feeding plant, through all of it’s growth cycles.

💦 Performs surprisingly well when faced with rain and high humidity despite it being an indica dom. A great mold resistant indica, however it may develop problems when grown in a closed environment such as poorly ventilated greenhouses.

👍 Amazing quality and appearance. Purple color comes out late in flowering with a cooler temperature ~75° F

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 and breeds well with others.

Genetics	Inbred Mendo Purps x Big Bud
Flowering Time	7-8 Weeks
Yield	Indoors: 300-450 g/m2; Outdoors: 400+ g/plant
Seed Sex	Regular, Feminized
Mold Resistance

👇 Buy Grand Daddy Purp seeds

Pineapple Chunk | Barneys Farm Seeds

Any type of weed with the word pineapple is good marketing. Whether that strain really tastes like pinapple is not certain, but Pineapple Chunk is a pretty good high yield strain that has that strong tropical flavor. Some phenos really do taste like pineapple, get a few seeds and find a winner for cloning. Real nice dank buds, Pineapple Chunk yields solid cash crop quality weed. 60% sativa 40% indica.

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

⚖️ Buds that please the general market: plump, fruity, skunky, heavy and dense. Yields well. Proper care of this strain enables you to milk abundant yields of these creamy dank pineapple cannabis buds.

💦 Handles outdoor climates well despite being a candy hybrid strain.

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

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

Genetics	Pineapple x Cheese
Flowering Time	55-60 Days
Yield	Indoors: 650 g/m2; Outdoors: 750 gr/plant
Seed Sex	Feminized
Mold Resistance

👇 Buy Pineapple Chunk seeds

Wild Thailand | World of Seeds

Thai strains are pure sativa landrace varieties that grow into huge behemoth cannabis trees. Truly gargantuan-growing, monster plants. Thai and other trippy Southeast Asian sativas are highly sought after by connoisseurs, fostering buds with a speedy and psychedelic effect comparable to magic mushrooms. This is thought to be due to the tropical sativa’s high THCV content.

🌱 Grows tall quick. Thai strains will shoot up fast above other plants in a grow room. A stretchy growing plant that loves to suck up light.

⚖️ Yields high however, some Thai strains have a very long ~20-week flowering period. That’s why you don’t see pure Thai sativa everywhere in the market. Not for the quick cash cropper, but more for the rare strain collector.

💦 Ideal for tropical and subtropical climates. Thai strains are some of the most mold resistant strains in the world. However northern climate growers may have trouble finishing this strain.

👍 The smoke from Thai strains is super smooth, great for huge bong hits. Thai strains have a distinct lavender and exotic spice flavor.

The secret to pulling dank Thai buds is easy- just don’t pull early! The plants will turn yellow in color and drop a lot of it’s fan leaves during late flowering. Wait past this stage and you’ll really see what these buds are capable of.

Genetics	Thai landrace sativa
Flowering Time	12-16 Weeks (or more!)
Yield	Indoors: 300 g/m2; Outdoors: 1200+ g/plant
Seed Sex	Regular, Feminized
Mold Resistance

👇 Buy Wild Thailand seeds

Super Lemon Haze | Green House Seeds

The one Green House strain to rule them all, Super Lemon Haze is for all the intense flavor connoisseurs. This wild 80% sativa strain gets sharp alligator teeth leaves with a rough finish, making it looks like a wild plant that reeks of lemons.

🌱 Grows big, although not the fastest variety from seed. Some phenotypes of Super Lemon Haze get a gnarly alligator skin tough leaf.

⚖️ Buds are lemony, fragrant and the stench reeks through-the-bag. Beautiful, shiny and dense nuggets. 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 super dense, which helps them breathe in heavy moisture climates.

👍 Relatively easy to grow, Super Lemon Haze is one of the most strong lemon tasting varieties.

Super Lemon Haze gives magnificent results grown outdoors in the full sun, providing generous harvests of potent, frosty lemony bud. There are doubts about the true legitimacy of the Cannabis Cup but putting that aside Super Lemon Haze is still a real winner.

Genetics	Lemon Skunk x Super Silver Haze
Flowering Time	10 Weeks
Yield	Indoors: 800 g/plant; Outdoors: 1200 g/plant
Seed Sex	Feminized
Mold Resistance

👇 Buy Super Lemon Haze seeds

Bubble Gum | Serious Seeds

A classic dating back to the 1970s, Bubble Gum is a stocky 80% indica strain with elegant, velvety flowers that taste identical to bubblegum candy when smoked. This cannabis plant is a full of chlorophyll and takes on a proud, glimmering stature with super-bright velvet buds.

🌱 Plants often take on a wide, bushy stature when grown from seed or clone. Bubble Gum plants are high in chlorophyll making it grow vigorously with very fat stalks.

⚖️ Buds are brilliantly shining fat dank and stinky. Bubble Gum makes velvety buds, soft as silk to the touch, yet dense to the core. A high-yielding indica strain.

💦 Try to keep these buds out of the rain. Not the most mold-resistant strain out there, but it does better than many other fruity hybrids.

👍 Easy to grow, easy to clone. Also does decently grown in limited sunlight, forming up full and finishing solid to the end.

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

Genetics	Inbred Big Skunk Korean x NL5
Flowering Time	8 Weeks
Yield	Indoors: 350-500 g/m2; Outdoors: 450-550 g/plant
Seed Sex	Regular, Feminized
Mold Resistance

👇 Buy Bubble Gum seeds

Blue Widow | Dinafem Seeds

Blue Widow is an amazingly colorful, gorgeous plant with an intoxicating flavor. Pot that tastes great down to the ashes. This 50% indica 50% sativa strain is so good that there’s a local in Hawaii with the nickname Mr. Blueberry Widow

🌱 Plants grow short and bushy, however with enough light they can structure out large. Blue Widow is great for keeping incognito 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 look amazing and form up dense. These sinister, shiny buds form up thick, juicy and potent.

💦 A fairly mold resistant strain when grown with care. Even faced with the high-humidity condition of Hawaii, Blue Widow buds hold up against botrytis mold and powdery mildew.

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

Blue Widow does well grown from seed outdoors and indoors, and has earned a place in many local Hawaiian medical marijuana gardens. More stoney than some may prefer, Blue Widow’s combination of potent sativa and indica genetics may leave you feeling confused. The high potency, strong aroma and sugar coated THC glaze makes this strain a good choice for growers. Excellent bag appeal.

Genetics	Blueberry x White Widow
Flowering Time	7-8 Weeks
Yield	Indoors: 525 g/m2; Outdoors: up to 1100 g/plant
Seed Sex	Feminized
Mold Resistance

👇 Buy Blue Widow seeds

Early Pearl | Sensi Seeds

Early Pearl is one of Hawaii’s best little known secrets. Stunning light-green dense buds that stink like a skunk and form up fat. The Early Pearl strain has been mass-produced by lots of outdoor growers, and the name seems to have been lost through the years, 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 and in greenhouses.

⚖️ Buds are light-green colored and very skunky in aroma and flavor. Pungent like cat piss. Tasting Early Pearl buds is like experiencing a skunk spraying right on your taste buds. Good high yielding strain.

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

👍 It’s short flowering time works great for cycling seeds and clones.

I gave a mixed bag of dank buds to one popular figure in the cannabis community that included Early Pearl, as well as other top strains. He picked out and kept only the Early Pearl for his smoke, giving the other strains to friends. Stoners looking for stinky, dank, cat piss marijuana will be pleased with Early Pearl.

Genetics	Unknown; closely guarded
Flowering Time	60 Days
Yield	Slightly above average
Seed Sex	Regular, Feminized
Mold Resistance

👇 Buy Early Pearl seeds

*Bonus: Purple Kush

A dark green musky grape smelling plant, Purple Kush has proved to be a reliable seed strain for both outdoor and indoor growers. Coming from the Oakland area of Cali, Purple Kush is a full bodied indica strain.

🌱 Plants grow larger than 10 feet in height, amazing for a strain claimed to be pure indica.

⚖️ Buds take on a dark appearance and grapey flavor. The yield is high. Purple Kush buds stand out in bag appeal with their sinister appearance.

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

👍 Breeds strong hybrids and clones easily, cuttings root fast.

Purple Kush is a great all around strain that grows like other kush strains. These indica varieties flower a little longer than hash plant indicas, but Purple Kush’s slightly longer flowering time is paid back in the high yielding bud harvest that stacks up.

Genetics	Hindu Kush x Purple Afghani
Flowering Time	8-9 Weeks
Yield	Indoors: 450 g/m2; Outdoors: 600 g/plant
Seed Sex	Regular, Feminized
Mold Resistance

👇 Buy Purple Kush seeds

Read more about Purple Kush here

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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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📧For all inquiries contact Jared@moldresistantstrains.com

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