I have a cactus that’s 19 yrs old. It has white bumps on it and spikes coming out of the bumps. A gardenia tree next to the

cactus also has the white bumps on its branches, but no spikes coming out of the bumps. What is this?

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1 Comment To "I have a cactus that’s 19 yrs old. It has white bumps on it and spikes coming out of the bumps. A gardenia tree next to the"

#1 Comment By Downtoearthdigs On 05/29/2019 @ 8:10 am

It sounds like you may have a Scale infestation.
Isolate the plants so it does not spread further.
Neem Oil is a good treatment for these pests.

https://www.gardeningknowhow.com/plant-problems/pests/insects/control-plant-scale.htm ^[1]
https://www.gardeningknowhow.com/plant-problems/pests/insects/what-is-soft-scale.htm ^[2]
https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm ^[3]

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[1] https://www.gardeningknowhow.com/plant-problems/pests/insects/control-plant-scale.htm: https://www.gardeningknowhow.com/plant-problems/pests/insects/control-plant-scale.htm

[2] https://www.gardeningknowhow.com/plant-problems/pests/insects/what-is-soft-scale.htm: https://www.gardeningknowhow.com/plant-problems/pests/insects/what-is-soft-scale.htm

[3] https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm: https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm

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