They are less than 1 millimetre (0.04 inches) in size and can be red or black in colour. Spider mites prefer hot, dry conditions and lay transparent eggs which can hatch in as little as 3 days.
Hatchlings are sexually mature in 5 days, and female mites can live for up to 2-4 weeks, laying up to 20 eggs per day.
There are a variety of essential oils that can help to kill and control spider mites by attacking their central nervous system.
There are a number of organic insecticides on the market that can help control a spider mite infestation. Here are some popular solutions we recommend trying:
Ladybugs, lacewings and predatory mites prey on spider mites and are generally available commercially. For the best results, introduce these insects when mite populations are low.
Also, spider mites are notoriously good at developing resistance to common pesticides, so we suggest using some of the organic methods outlined below.
Once you’ve pruned your plants, consider hosing them down gently. This will help remove any remaining mites and will also help prevent another infestation. You may want to hose them down periodically if you find you’re dealing with mites on a regular basis.
Other insects that prey on spider mites include:
Neem oil (extracted from the nuts of the neem tree) is considered a miticide and is the most common type of essential oil used to control mites. However, there are plenty others out there, including:
Spider mites prey on cannabis and can have a huge effect on your yields. Click here to learn how to keep your cannabis plants safe from spider mites.