Spider Mites

Pest Management


Spider Mites are most common plant pest. They are insects that often kill plants and can cause serious stress on them. Spider Mites are very hard to see with just your eye. They look like tiny, moving dots.


What makes it more common in greenhouses? Spider Mites and other pest develop in this indoor environment. It’s warm, humid conditions and it provides the food that helps them survive.

Cultural, Biological, and Chemical:

Cultural practices is to help make the plant less suitable for pest. Cultural practices have a great impact on Spider Mites. Spider Mites leave a Web or dusty conditions. To help prevent this, you can wash the plant to remove the dust or you can treat it by miticide, which is effective for getting rid of Spider Mites. Biological practices are how to control pest with other living organisms. To help prevent this, you can use pesticide to help you get rid of them and to treat this is to use a beneficial insect that is a natural enemy to spider mites. Chemical practices is very effective. But for spider mites, avoid non-selective chemical especially after blooming. You can use lime-sulfur or really any chemical that is good use to treat spider mites. To help prevent this, you can use a non-chemical to help by: keeping dust and dry ground to a minimum (indoors and out), making sure new plants are in a safe place so they are mite-free, & mites thrive dry, and hot conditions, o keep the place well wet.


The cause of this disease is from an insect. Most common disease from mites are: Black, sooty mold; leaf drop; leaf spots; and root rot. Black, sooty mold is the common name applied to several species of fungi that grow on plant parts and other surfaces. leaf drop is a problem as a result of over-watering or under-watering, low-light levels, and cold temperatures. Leaf spots are yellow or tan spots that appear on older leaves that are signs of magnesium, or from over-watering. Root rot is plants that have been over-watered or drowning conditions that develop in the roots.