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mold on seed marijuana

However, if the infection is widespread, you may have to cut down the whole plant to protect the rest of your crop.

Root rot is a serious issue that can take hold of a marijuana plant. Roots provide a network for collecting and transferring water, oxygen, and nutrients to the rest of the growing plant. When plants are overwatered and lack sufficient drainage, roots essentially drown, can’t take in oxygen, and start to die off. Without developed roots, a marijuana plant won’t grow properly.

What is bud rot?

Remember to check your garden daily, and think about where and when mold will show up.

Efforts to prevent bud rot do not stop once buds have been harvested. Mold can also occur as cannabis buds dry and cure. Here are a few tips:

To see if a pot is too small, observe the roots from the drainage holes—if roots are crossing over the holes, it’s time to transplant to a bigger pot.

Powdery mildew is a kind of fungus that develops on top of the leaves at first. It may look like trichomes to the new growers but it will continue to spread all over your plant.

This kind of fungus develops in humid and warm places, to avoid this, it’s crucial to have a good growing space. This means you need to provide good airflow, adjust the humidity level for each growth stage, avoid aggressive temperature changes, and keep your growing space clean.


If your plant’s condition is too grave, you should start by removing the affected leaves and buds, and spray with any fungicide of your choice.

To prevent this fungus, you should not only keep a good growing environment but also make sure to not overwater your plants, as this can attract bugs like fungus gnats and also drown your roots, causing root rot.

We recommend keeping a clean growing environment, even if you never got mold or fungi, it is a great way to prevent it.