Madagascar Palm (spiked cactus)
What's the best way to remove small black bugs from the underside of the leaves? Thanks. (It's an indoor plant.)
Certified GKH Gardening Expert
There are many things you can do. Neem oil can be really helpful, as long as it is not in a bright area when you apply this.
This collection of articles will give you more good ways to deal with pests: https://www.gardeningknowhow.com/special/organic/