Dive into the best mold resistant strains, boasting hardy genetics designed to resist the dreaded gray mold—botrytis. These resilient buds hold up in wet conditions, saving you from crop loss due to mold damage like bud rot. They not only protect your harvest from mold but also shine in potency and quality. Each mold resistant strain listed below is ready to buy in photoperiod or autoflowering seed form, with speedy delivery in the USA.
Frisian Dew
Frisian Dew is a remarkable cannabis strain renowned for its abundant yields, sizeable buds, and superior mold resistance. This strain is an ideal blend of indica and sativa genetics, resulting in a plant that exhibits significant growth and heavy blooms while maintaining a favorable flower to leaf ratio. Frisian Dew feminized seeds were meticulously bred over time in the Netherlands, proving themselves time and again. These large, sturdy plants offer resistance to adverse weather conditions, whether cold and wet or hot and dry—a testament to their resilience nature. The ease of growing Frisian Dew along with its fruity, floral flavor profile and powerful, yet balanced high make it an excellent choice for any grower who desires quality outdoor cannabis yield.
| Flowering Time | 7½ weeks |
|---|---|
| Brand | Dutch Passion |
| Pack Size | 1/3/5/10 seeds |
| Yield | High |
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Bling Blaow
Bling Blaow, a glistening show-stopper of a cannabis strain, owes its flashy name to the dazzling overload of trichomes that adorns its buds. This potent indica-leaning hybrid is a progeny of Glitter Bomb and Gastro Pop, showcasing two distinct phenotypes—one draped in emerald green, and the other in a regal purple hue. Both phenos can adapt to nearly any environment, braving hot, cold, drought, and high-altitude conditions with exceptional resistance to mold. The no-fuss cultivation of Bling Blaow welcomes even beginners, yielding medium to high amounts of uniquely dense and conical buds with an extremely high THC content ranging from 27–30%. The buds exude fruit notes layered with sweet candy, gas, and a hint of nail polish remover for an terpene-rich treat.
| Flowering Time | 8–9 weeks |
|---|---|
| Brand | Compound Genetics |
| Pack Size | 3/7 seeds |
| Yield | 350–450 g/m2 |
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Gummibears Auto
Gummibears Auto, a vigorous and resilient strain bred by Atlas Seeds, is an even, 50/50 indica-sativa hybrid notable for its exceptional THC levels. This autoflowering variety is a crossbreed of the mold resistant strain Atlas Star and another strain known as Mythic OG, resulting in a phenotype with impressive resistance to damp and cold conditions. Gummibears Auto thrives in both outdoor and indoor environments due to its compact structure, seldom exceeding 2½ feet in height. It completes its life-cycle within approximately 75 days and yields dense, rounded buds ranging between 80–110 grams per plant. With a unique concoction of lemon, parmesan cheese, and fuel in its scent profile, the dried buds boast an enormously potent THC content of 30% and a negligible CBD level of 0.12%. Gummibears Auto feminized seeds are a fascinating choice for growers in diverse climate conditions.
| Flowering Time | 75 days from seed |
|---|---|
| Brand | Atlas Seed |
| Pack Size | 5 seeds |
| Yield | 80–110 g/plant |
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Purple Punch
Purple Punch is an impressively hardy and productive indica-dominant hybrid, resulting from a combination of Granddaddy Purple and SFV OG Kush. Perfectly suited even for novice growers, this purple weed strain is not just hardy but incredibly adaptable, comfortably braving a range of climates—cool, temperate, and hot—while demonstrating strong resistance to mold and pests. The plants are compact and multi-branched, growing up to 3 feet tall indoors or up to 5 feet outdoors. Indoors, Purple Punch takes 50 to 60 days to flower, yielding an impressive 600–700 g/m2. Outdoors, each plant can yield between 1–2 kilos. With an aroma that invokes the ambiance of a high-quality bakery, and a taste reminiscent of apple pie with a hint of cloves, Purple Punch is as delightful on the palette as it is on the nose.
| Flowering Time | 50–60 days |
|---|---|
| Brand | Barney’s Farm |
| Pack Size | 1/3/5/10 seeds |
| Yield | 600–700 g/m2 |
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Thai Chi
Thai Chi, a unique 70% sativa hybrid, is bred from an unadulterated Thai strain originating from the Chiang Mai region near the Myanmar border and the Kali China from Ace Seeds. This resilient plant is highly adaptive, possessing a strong resistance to gray mold (botrytis) as well as both hot and cold climates, making it an excellent choice for outdoor cultivation up to the 47° latitude. The strain displays two interesting phenotypes, one leaning into its Thai heritage with an inviting smell of incense and aged wood, while the other leans towards the Kali China, enchanting with a fruity, tart aroma. Despite initially growing broad indica-like leaves, Thai Chi eventually matures into a tall plant featuring the classic Thai sativa structure with irregular branching. Indoor flowering takes between 9 and 11 weeks, while outdoor crops are ready by late October. With THC levels around 16%, Thai Chi offers a smooth, paranoia-free high that’s clear, active, and sociable.
| Flowering Time | 9–11 weeks |
|---|---|
| Brand | Ace Seeds |
| Pack Size | 3/5 seeds |
| Yield | 350–450 g/m2 |
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Bigfoot Glue
Bigfoot Glue is a super sticky hybrid bred by crossing two American cannabis strains—G Glew 4 and Humboldt Headband—resulting in plants with enormous buds rich in THC content. Bigfoot Glue flourishes both indoors and outdoors due to its high resistance to mold. When cultivated indoors, flowering will take about 60 days, while outdoor plants in the northern hemisphere will be ready by early October. This is an incredibly pungent strain that requires carbon filters if you’re growing indoors near neighbors. The aroma leads with earthy pine, followed by a sour, floral taste. True to its potent lineage, Bigfoot Glue provides a potent couch-locking effect yet carries a euphoric edge that lifts the spirit. With THC levels between 17 to 25% and high resin production, this strain is perfect for creating potent extracts.
| Flowering Time | 60 days |
|---|---|
| Brand | Humboldt Seed Co. |
| Pack Size | 10 seeds |
| Yield | No data |
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Northern Lights Auto
Northern Lights Auto, the culmination of mixing the potent Northern Lights with a ruderalis strain, is a formidable and efficient indica-dominant autoflowering cannabis hybrid. This potent beauty has been bred for resilience and high THC content along with impressive yields. Northern Lights Auto thrives in all environments, growing to an average height of 31–59 inches and delivering generous yields up to 500 g/m2 indoors or 200 grams per plant outdoors. The cultivation process is beginner-friendly, with the plant demonstrating good resistance to mold, pests, and diseases while adorning delightful tones of green, blue and purple as it matures. Its buds boast an alluring combination of fruity sweetness complemented by earthy pine and sour jam. Northern Lights Auto packs a punch with THC levels soaring at 23% and minimal CBD content, inducing a blissful mental relaxation and a profound body effect.
| Flowering Time | 10–12 weeks from seed |
|---|---|
| Brand | Seedsman |
| Pack Size | 1/3/5/10 seeds |
| Yield | 450–600 g/m2 |
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Glookies
Glookies is the unusually named and highly potent cannabis strain from Barney’s Farm, born from crossing Gorilla Glue with the Thin Mint phenotype of Girl Scout Cookies. A 70% indica cross, Glookies impresses with substantial yields flaunting sizable, resin-rich buds. Growers will appreciate the plant’s strength as it matures to a medium height, robust against cold weather and resilient to mold and pests, including spider mites. Flourishing both indoors and outdoors, Glookies can thrive in varying climates producing copious yields, hitting up to 700–800 g/m2 indoors and a jaw-dropping 2– kilos per plant outdoors. The strain offers a flavorful experience, intermixing sour diesel, key lime, and walnut notes, while its high, at 25% THC, provides an evenly balanced feel—tranquil yet brimming with invigorating bursts of energy.
| Flowering Time | 60–70 days |
|---|---|
| Brand | Barney’s Farm |
| Pack Size | 1/3/5/10 seeds |
| Yield | 700–800 g/m2 |
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Laotian OG
Laotian OG Regular, developed by Green Bodhi, is a sativa-dominant cannabis strain that offers cultivators high yields and resistance to mold. This stimulating, high-THC cultivar combines the genetics of a Laotian landrace and OGLA78, providing a unique growing experience ideal for beginners. The plant, with its classic OG structure and thick buds encased in trichomes, flowers in approximately 56 to 70 days indoors, producing a yield of up to 600 g/m2. When grown outdoors, harvest in October can yield an impressive 750 grams or more per plant. Laotian OG’s buds have an earthy taste fused with sweet notes and a subtle incense hint. Aromas of fuel, Haze, spice, and musk add to the allure. With THC levels varying between 16% to 24% and less than 1% CBD content, this strain delivers a balanced and invigorating high—perfect for daytime use.
| Flowering Time | 56–70 days |
|---|---|
| Brand | Green Bodhi |
| Pack Size | 11 seeds |
| Yield | 450–600 g/m2 |
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Diesel Auto
Diesel Auto, an autoflowering weed strain born from Canadian Ruderalis and New York Diesel, reigns from the prestigious Chem Dawg line from the US. It’s a great mold resistant auto strain for any genetic collection, requiring only 75 days to mature from germination. The terpene-rich taste profile of Diesel Auto shines with bright notes of lime, lemon, and mandarin, topped with a loud splash of diesel fuel. This balanced and manageable effect offers just the right level of potency to carry on with daily tasks without feeling too high or sedated. Diesel Auto plants show exemplary resilience against mold in cold weather and ward off fungus even in warmer climates. Its rewarding yields, adjustable growing habits, and ease of maintenance make it a dream for outdoor cannabis enthusiasts looking for an early harvest.
| Flowering Time | 75 days from seed |
|---|---|
| Brand | G13 Labs |
| Pack Size | 5 seeds |
| Yield | 450–600 g/m2 |
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Space Panda
Space Panda is a strong 70% indica hybrid bred from two Oreoz plants. Resistant to mold, this easy-to-grow strain produces bright green, purple buds that reveal an impressive THC content from 20–28%. Space Panda suits both indoor and outdoor cultivation, demonstrating compact growth up to 3 feet in height. Indoors, it rewards growers with up to 370 g/m2 yields after a fast 8-week flowering period, while outdoor harvesting in the northern hemisphere peaks around mid-September. With scents of sweet and earthy undertones paired with a chocolate and tobacco taste, Space Panda weed provides a physically relaxing high, buffered by a mellow cerebral buzz. New and experienced consumers are advised moderate consumption due to its high THC level.
| Flowering Time | 8 weeks |
|---|---|
| Brand | Atlas Seed |
| Pack Size | 5 + 2 seeds |
| Yield | 370 g/m2 |
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Moby Dick Auto
Moby Dick Auto, a sativa-dominant strain, is a potent and highly productive autoflowering variety bred by crossing Moby Dick with Barney’s BF Super Auto #1. This robust marijuana plant, notable for its mold resistance, is adaptable to a wide range of weather conditions while producing high-quality crops. Moby Dick Auto reaches a height of about 39 inches indoors with an average yield of 550 g/m2 in a short flowering cycle of 65 days. Outdoors, the plant grows slightly taller with similar yields. The buds offer a special blend of terpenes, delivering a sour lemon and Haze flavor profile tinged with spicy pine, incense, and vanilla notes. With THC levels reaching up to 22% and low CBD, this autoflowering strain delivers a powerful cerebral high.
| Flowering Time | 65–70 days from seed |
|---|---|
| Brand | Barney’s Farm |
| Pack Size | 1/3/5/10 seeds |
| Yield | 550 g/m2 |
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Durban Poison
Durban Poison is a South African pure sativa that found its roots in Holland in the 1970s. It has undergone certain adaptations over generations, acquiring some indica traits along the way. The wide, early leaf growth reveals these indica characteristics, however, as it matures, it flaunts the classic sativa persona with elongated buds and narrow leaves. Suited for both indoor and outdoor cultivation, Durban Poison is robust and thrives even in the higher latitudes of colder European summers. It exhibits admirable resistance to mold and pests. With an indoor flowering phase of 8–9 weeks, outdoor plants can tower up to 10 feet before they are ready for harvest by late September or early October. This strain packs a potent and stimulating high synonymous with landrace sativas. A delightful blend of aniseed and liquorish flavor with clove undertones enhances its appeal.
| Flowering Time | 8–9 weeks |
|---|---|
| Brand | Dutch Passion |
| Pack Size | 1/3/5/10 seeds |
| Yield | 450–600 g/m2 |
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Zfuel Swag
Zfuel Swag, a robust indica-dominant mutant cannabis strain, emerges from the crossbreeding of Pygmalion V22 and Tannin Trail SWAG. Noted for its resistance and adaptability, Zfuel Swag thrives in varied environments—from indoors to outdoors, greenhouses to high-altitude regions, and it is highly resistant to mold, diseases, and pests. These compact plants grow with closely spaced internodes, topped by medium-density buds covered in trichomes. Zfuel Swag seeds are suitable for growers with some prior experience, yielding a solid 350–450 g/m2 indoors and up to 450 grams per outdoor plant. Its buds exude sweet, earthy, hash-like fragrances with subtle fuel undertones. With a THC content between 18–22%, Zfuel Swag gives off a robust high with a euphoric heady edge that melts into a classic relaxing indica body stone.
| Flowering Time | 8–9 weeks |
|---|---|
| Brand | TerpyZ Mutant Genetics |
| Pack Size | 10 seeds |
| Yield | 200–450 g/m2 |
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Sweet Tooth
Sweet Tooth is an award-winning indica-dominant strain created with Hawaiian, Afghani, and Nepali genetics. Sweet Tooth seeds are a breeze to cultivate, being particularly resilient against mold and diseases, which combined with their high-yield capability, makes them an exceptional choice for cultivators. The medium-sized plants develop hearty buds dripping with resin that may necessitate support in their final weeks of flowering. Sweet Tooth’s buds exude a sugary sweet aroma with notes of berries and exhibit an intricate flavor profile of mango and nutmeg, giving it an intriguing indulgence for the palate. The high provided by Sweet Tooth is potent yet balanced, stimulating the mind while offering profound relaxation.
| Flowering Time | 9 weeks |
|---|---|
| Brand | ILGM |
| Pack Size | 5/10/20 seeds |
| Yield | 550 g/m2 |
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Blue Dream Auto
Blue Dream Auto, crafted by Atlas Seed, was bred by backcrossing Blue Dream in auto form. This sativa-dominant autoflowering hybrid is praised for its fruity blend of mangos and berries with lingering notes of sandalwood. It’s an ideal strain for beginners, thanks to its ease to cultivate and robust resistance against mold. The plant boasts a bushy structure and can reach just over four feet, exhibiting striking hues of green, purple, and violet. Blue Dream Auto has a short flowering period between 75 to 80 days from seed to harvest indoors, producing yields up to 600 g/m²—while outdoor cultivation can generate 70–170 grams per plant. The high is both heady and stoney, with THC percentages fluctuating between a potent 16–26%.
| Flowering Time | 75–80 days from seed |
|---|---|
| Brand | Atlas Seed |
| Pack Size | 5 + 2 seeds |
| Yield | 450–600 g/m2 |
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Pineapple Express
Pineapple Express is a vigorous and highly productive cannabis strain with a tantalizing tropical flavor profile. Known for its Hawaiian sativa parentage which was selected meticulously by local farmers, and crossed with Trainwreck, Pineapple Express boasts a 60% sativa dominance. It is an uncomplicated strain to cultivate, with a natural resistance to mold and diseases. Pineapple Express grows to impressive heights both indoors and outdoors, reaching 3½–5 feet and 6½–8 feet respectively, and responds positively to super-cropping for extra-lush yields. Its buds emit invigorating scents of tropical fruits and pineapple with undertones of smoky citrus and earthy pine, while the flavor is reminiscent of ripe pineapple mingled with sweet mango. The psychoactive effect delivers an initial burst of euphoria and long-lasting energy, transitioning into a relaxed body sensation accompanied by lively conversation. 23–26% THC.
| Flowering Time | 55–65 days |
|---|---|
| Brand | Barney’s Farm |
| Pack Size | 1/3/5/10 seeds |
| Yield | 600–700 g/m2 |
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Bangi Haze
Bangi Haze, a stable sativa strain known for its stimulating effects, offers a unique blend of sweet, floral, lemony, and anise-like terpenes. This strain is a classic offering from ACE Seeds, revered for its quick flowering time and dense, trichome-rich buds. Cultivated initially in the chilly and rainy conditions of Galicia, Spain, Bangi Haze showcases an impressive resilience against cold, rain, and various types of fungus like gray mold and powdery mildew. This medium-sized strain also excels in indoor growing conditions, promoting light penetration with its good branching and moderate node length. Boasting THC levels near 20% and negligible CBD content, the sativa effects of Bangi Haze are potent and energizing, increasing users’ highs without tolerance issues. Ideal for breeding projects, Bangi Haze’s adaptability and resistance make it a popular choice for growers looking to develop THC-rich hybrids with a classic African sativa flavor profile.
| Flowering Time | 9–10 weeks |
|---|---|
| Brand | Ace Seeds |
| Pack Size | 3/5 seeds |
| Yield | 350–450 g/m2 |
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Lemongrass
Lemongrass, an F4 indica-dominant hybrid, is as potent as it is unique, boasting an intense lemony aroma. This strain has been expertly crafted by combining Lemon Kush Bx3 with Humboldt Gelato, resulting in plants that have great hybrid vigor and high resistance to both mold and various plant diseases. Lemongrass feminized seeds yield enormous plants that flower quickly—in just 50 days indoors—and are robust enough for outdoor cultivation. By the end of September or start of October, outdoor growers can harvest these incredibly potent buds, noted for their easy-trim quality. The scent and flavor profile of Lemongrass are strong, filled with an overwhelming citrus essence and notes of diesel, while its powerful effects provide an uplifting experience.
| Flowering Time | 50 days |
|---|---|
| Brand | Humboldt Seed Co. |
| Pack Size | 10 seeds |
| Yield | No data |
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Top Gun Auto
Top Gun Auto is a swift and robust auto-flowering strain, primarily indica in nature, born from coupling the ultra mold resistant Atlas Star and the delectably sweet Cotton Candy Auto. This 80% indica strain is recognized for its quick growth and concise cultivation cycle—a solution for growers racing against autumn weather. Top Gun Auto thrives in close quarters, such as the Sea of Green method, with its single cola structure and height reaching up to 28 inches. This allows the max yield per area in an astonishingly short span of just 60 days from seed to harvest, producing 70–100 grams per plant of chunky, spherical buds. The strain offers a delightfully sweet sensation with a dash of toasted nuts as expected from the Cotton Candy genetics, accompanied by a potent physical relaxation effect owing to its THC content garnering a range of 16%–26%.
| Flowering Time | 60 days from seed |
|---|---|
| Brand | Atlas Seed |
| Pack Size | 5 seeds |
| Yield | 70–100 g/plant |
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