Black dots on orange tree

Hi, we have an indoor ornamental orange tree, the leaves of which have developed black dots on the underside. An image is attached. What could be the cause and the treatment? Thank you.…

Rose infested

I have a few roses that were infested by some worms or organisms. There are silk like tents coverings the buds. Can you tell me what the problem is and how I can deal with it? P.s. our neighborhood is…

Young Hibiscus plant troubles

I picked up a couple hibiscus plants (African rose mallow, seedlings they were 10cm tall?) at the Allen garden spring fling this year. I kept them indoors for a few weeks as they grew tall and increased foliage. I then…