Hi Mike,
WElcome, there is never a stupid question, we all have a lot to learn. someone will come in soon and answer your question.
Karen B

I prefer to feed my plants worm castings and wipe off the whitefly. After a few weeks, the leaves will taste bad to the flies. I use this on my plumies and on my ten hibiscus plants. Put out a few white fly traps (yellow sticky) low on your plants and the problem will go away. Bill