little brown bumps on the stems of my hibiscus

Question

I have these little brown bumps on the stems of my hibiscus tree.

Answer 1

It sounds like either scale or mealybugs are affecting your plant. This can be treated with neem oil. Here are some articles that should help: https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm
https://www.gardeningknowhow.com/plant-problems/pests/scale-bug-how-to-control-plant-scale.htm
https://www.gardeningknowhow.com/plant-problems/pests/mealybugs-white-residue-on-plants-leaves.htm