Is it possible to have aphids on my camellias? I was notified by a salesman selling lawn maintenance that my camellias were infested with aphids, due to the shiny substance on the back of the leaves.
Insects on Camellias
Certified GKH Gardening Expert
Yes, it is possible. It could be aphids or scale. Both cause that on plants. Here is more information on both: https://www.gardeningknowhow.com/plant-problems/pests/homemade-aphid-control-a-natural-way-to-kill-aphids.htm
You might also want to try neem oil to treat the plant and rid it of insect pests. Here is more information: https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm