Q.black and white spots on backside of crown of thorns
My crown of thorns has a lot of white with black spots on the back of the leaves, which used to be a vibrant green and now the leaves are very dark. I think I have some sort of spores and I would like to know what I can do before I lose this plant.
Downtoearthdigs
Answered on October 27, 2015
It sounds like a fungus or some kind.
Make sure you are not overwatering the plant.
You can treat the plant with Neem Oil. Neem Oil is organic and works as both an insecticide and fungicide.
It is safe for people and pets.
Here is a link to refresh you on the care.
https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm
https://www.gardeningknowhow.com/houseplants/crown-of-thorns/crown-of-thorns-houseplant.htm
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