Reviewed by Mary Marlowe Leverette Majesty palm (Ravenea rivularis) is a tropical tree native to Madagascar, where it can grow nearly 100 feet tall, and an increasingly popular houseplant. It is ...

Q. I’ve noticed this white substance on my majesty palm, which is an indoor plant. I wipe them off, but they keep coming back. What is it and how can I get rid of it?

Q. I’ve noticed this white substance on my majesty palm, which is an indoor plant. I wipe them off, but they keep coming back. What is it and how can I get rid of it? Cottony cushion scale is a common ...