Growing cannabis comes with many, many obstacles and none of these are more common or irritating than mould. Mould is as harmful as it is annoying, as well as being pretty tricky to treat, so here's a little advice on how to identify and prevent it from happening to you:

There are a couple of different types of mould that could potentially invade your cannabis garden, though there are two common ones: powdery mildew and botrytis, the latter of these being, essentially, bud rot. Botrytis is pretty hard to identify because of the fact it is really only super visible at the base of the stem. However, eventually some small leaves will begin to wither and dry out, which is a sure-fire sign that your bud is suffering.

Dusty Substance

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If you do see some of your plant's leaves drying up, look a little closer and you might find some slightly furry details. Fluff can potentially begin to grow on the leaves of your treasured greenery that is blue or white in colour which is pretty harmless if treated right away. However, if you allow botrytis to advance then you might notice tiny black dots appearing in the mould these are spores, and they spread like crazy, so don't breathe them in!

Powdery mildew is another extremely common type of plant mould and can be observed to look like exactly as its name suggests. Powdery mildew is a white, dusty substance which lies on the surface of plant leaves and inhibits photosynthesis, which is your plants way of making its own food using light. Eventually, if your plants are suffering from this condition, their leaves will shrivel up and die, so it really is best to prevent powdery mildew from occurring in the first place.

Case of Botrytis

The best measures to prevent both of the types of mould I have mentioned is to check your plants regularly and make sure they are receiving everything they need to grow correctly. However, preventative measures won't do people who are struggling with a mould issue now any good. So here are some gardeners tips for you if you and your garden are currently going through a mould problem:

In the case of botrytis, the only option you really have is to use chemical sprays to combat the mould's effects. You can purchase sprays to rid your grow of bud rot at pretty much any garden store. Another thing you can try is moving your infected plants to a warmer area with low humidity, this will stop the disease from spreading.

Natural Remedies

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With powdery mildew, there are some natural remedies that have been tried and tested. To combat this type of mould, add two teaspoons of cider vinegar to one litre of water and spray it over your plants, this should do the trick. Another method is to mix a concoction of 60% milk and 40% water and spray this on them, this should also work some magic.

Overall, mould is a nasty, plant-killing culprit that has to be stopped, though luckily there are plenty of ways to get rid of it before it damages your plants too much. Preventative measures are the best course of action to take, but it is nice to know that more can be done if conditions get worse.

Good luck!

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