Quote:
Originally Posted by estación seca
Spider mite webs don't spread 4 feet. Do you mean webs are spreading from one point to another 4 feet away? That would be spiders, which are good to have in the greenhouse.
Spider mite damage could cover 4 feet of plants on a bench, but the webs are worse on the undersurface of the leaves. Your greenhouse is humid enough you are worried about fungus issues. Be sure you really have spider mites before you start spraying highly toxic chemicals.
You can't ever get rid of spider mites. They live in the garden around your greenhouse. Control is needed. Once the population is knocked way down, use a vigorous spray of water under all your leaves once a week when you water. They can't crawl back onto the plants.
I don't know how many plants you have. I would mix up soap solution and spray the whole collection.
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I have approximately 200 plants. I bought plant based dish soap. Is that safe to spray. I was told to get ivory soap but that was unavailable.
I do have avid but I’m reluctant to use it as the label is very menacing in terms of toxicity. The webs are going between points about 2 feet across and then connecting with webs also going 2 feet across like some sort of web network. The webs also tend to end up leading to the underside of leaves.
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