Mold Resistant Marijuana Strains [Top 5 Picks]

New and experienced marijuana growers alike will understand how frustrating mold is when cultivating cannabis. You put a lot of time and effort into your crops, only to find them decimated by mold. And there’s simply nothing you can do about it! Once your crop goes moldy, it is unfortunately lost.

Mold, or bud rot, can be heartbreaking for growers. It can spread throughout your entire crop in just a few days, sometimes before you have noticed the beginnings.

Mold is common both indoors and outdoors. It typically occurs in hot, humid climates. Humidity can prevent the evaporation of water, which is what leads to mold. Therefore, mold can occur outdoors in a humid climate or in greenhouses with poor ventilation and air circulation.

However, mold growth is avoidable in many situations. But if you’re growing strains that prefer a humid environment, then you sometimes need to exercise caution. For novice growers, you might want to try strains that are naturally resistant to molds.

Cannabis strains with a high resin production can be mold-resistant, removing the need for you to worry about spores damaging your growth. Below, we check out five of the best naturally mold-resistant strains. If you’re a cultivator looking to get rid of the risk of mold in your crop, then read on!

#1 – Super Silver Haze

  • Flowering Time: 9-11 weeks
  • Effects: Body high, relaxation, energy
  • Grows Best: Indoors

Super Silver Haze is a well-known, sativa-dominant strain that produces a glittering layer of trichomes. The plant’s high resin production is likely what makes it so mold-resistant, which is excellent news for inexperienced growers.

super-silver-haze

This strain has a sage-like, skunky aroma inherited from its lineage, which features other famed strains like Haze and Skunk No. 1. The strain’s sativa elements deliver a burst of energy while the 30% indica genetics provide a relaxing body high.

In terms of growing, Super Silver Haze prefers a hot, equatorial climate. However, many users prefer to grow it indoors. A hydroponics set-up serves this strain well, but note that it may also decrease the flowering time.

Typically, Super Silver Haze is ready for harvest in 9-11 weeks. The later you harvest, the more resinous trichomes you get. Indoor harvests will provide you with a higher yield of about 19 ounces of bud per square meter. Outdoor crops may produce around 15 ounces per plant in the same space.

#2 – Power Plant

  • Flowering Time: 8 weeks
  • Effects: Energy, social, increases appetite
  • Grows Best: Outdoors

If you’re looking for a quicker turnaround than Super Silver Haze, look no further than Power Plant. This epic strain is a powerhouse, packing 15%-20% THC and up to 2%.

Famed cannabis breeders, Dutch Passion Seed Company, bred this strain from South African genetics. It has been around for some time, released in 1997. It continues to impress, even taking home first prize in the Sativa category at the 2016 Life Expo in Vancouver.

power-plant

Power Plant has a spicy, woody taste, but its smell isn’t particularly pungent. This combination makes it a pleasant strain to enjoy. It’s also an excellent choice for growers, thanks to its mold-resistant qualities. Its enormous yield and quick flowering time are added bonuses.

You can grow Power Plant both indoors and outdoors, and there are advantages to each method. Indoors, the plants are ready to harvest between 7-9 weeks.

Outdoors, you have to wait for the right growing season; your plants will flower in the middle of October. However, the outdoor yield is far greater.

Indoors, you can anticipate a yield of 21 ounces per square meter. Outdoors, you may receive a whopping 35 ounces!

Either way, Power Plant is easy to grow because it flourishes in standard soil. It’s a consistent strain that’s a real treat for cultivators, thanks to its simple growth and high reward.

#3 – Stress Killer Automatic

  • Flowering Time: 11 weeks
  • Effects: Stress-relief, clear-headedness
  • Grows Best: Outdoors

With a parentage of Lemon Haze and Juanita La Lagrimosa, Stress Killer Automatic is a citrusy, lemon-filled strain. It’s a delicious and tangy strain that offers beautiful effects thanks to its balanced cannabinoid content.

stress-killer-automatic

As you can guess from the name, Stress Killer Automatic MMJ users consume it to address chronic stress. The THC content is 11%, which is relatively low compared to many other strains. Reportedly, this strain contains a very high CBD content of between 11-16%.

Whether you grow indoors or outdoors, Stress Killer Automatic takes around 11 weeks to flower. It’s not too difficult to grow and doesn’t require a great deal of skill. Nevertheless, you should tend carefully to your buds just as you would any other strain. You can grow Stress Killer Automatic outdoors if you live in a warm, sunny climate.

Although Stress Killer Automatic flourishes both indoors and out, you will receive a higher yield outdoors. This strain provides about 4 ounces per square meter indoors, while the outdoor return is 6 ounces per plant.

#4 – Durban Poison

  • Flowering Time: 9 weeks
  • Effects: Energy, spacy, uplifting
  • Grows Best: Outdoors

Durban Poison is a famous cannabis strain, which is 100% sativa. As a result, you can expect the typical mind-focused, energizing, positive effects that any good sativa brings about.

This strain’s taste is delicious, combining sweet notes of vanilla with a tang of orange citrus and a hint of spice. Even the smoke is creamy.

Durban Poison grows exceptionally well, producing a thick coating of trichomes that create lots of sticky resin. Cannabis consumers thinking about growing Durban Poison should note that its THC level can be as high as 26%.

The buds are enormous, so you probably shouldn’t attempt to grow Durban Poison if you are trying to be discreet.

durban-poison

This strain is pretty resilient to weather conditions and mold; therefore, you can grow it both indoors and outdoors. As a sativa, Durban Poison can grow to lofty heights; it can reach a wobbly seven feet! Unless you have a tall greenhouse with enough space, then outdoors may be the best option for this strain.

Furthermore, it produces more buds outdoors. It generally yields 16-ounces per plant when grown outdoors and 13 ounces per meter squared indoors.

There are a few handy tips for growing Durban Poison, such as adding human urine during the vegetative stage. Yes, you read that right! A mixture of urine and water can fertilize the soil well, leading to a healthy plant and high yields.

#5 – Moby Dick

  • Flowering Time: 9-10 weeks
  • Effects: Energy, relaxation, uplifting
  • Grows Best: Outdoors

This whale of a strain can knock you off your feet if you’re not careful! Moby Dick can pack up to 27% THC, with a CBD content of as little as 1%. As a result, Moby Dick’s dizzying, euphoric effects can be overwhelming for some.

To grow the Moby Dick strain successfully, you will need some experience as its growth difficulty is classified as moderate. You will need to trim the plant regularly to keep its height and shape under control.

As a 75% sativa, it grows better outdoors because it can become quite tall. Outdoor plants also thrive in sunny, Mediterranean climates.

moby-dick

This strain has a relatively short indoor flowering time of 9-10 weeks. Grown outdoors, it will bloom in late October or early November.

The good news is that Moby Dick provides a mammoth yield outdoors and a generous return indoors. Generally, Durban Poison plants yield around 23 ounces per square meter indoors. However, outdoor crops can provide you with an enormous bountiful yield of up to 53 ounces per plant.

Moby Dick is a great strain to try your hand at growing if you want a little more of a challenge. Although it’s resistant to mold, you will need to practice topping to get the best out of your plants. If you get this right, the reward is worth it.

Final Thoughts on Mold-Resistant Cannabis Strains

Mold is the bane of many marijuana growers’ existence. Rather than letting it get you down, you can make your life a little easier by buying mold-resistant strains. The strains in this list are just five of the best picks for mold-resistant cannabis. There are plenty of other options out there.

Although the majority we mentioned here grow better or offer higher yields outdoors, you can grow all of them indoors and out. For sativas like Durban Poison, though, you’ll need to have a large space and practice plenty of topping.

Hopefully, you’ll have some fun growing these strains. If you’ve tried it, let us know how you found the process in the comments!

RELATED ARTICLE: Bud Rot: How to Prevent Cannabis Plant Mold

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