Woman holding a young potted boxwood plant and sprinkling white fertilizer granules into the pot with a gloved hand - VH-studio/Shutterstock ...

Macrophoma leaf spot is another disease to be on the lookout for. It is caused by Dothiorella candollei, a parasitic fungus. The disease leaves several raised black spots all over the leaves, which ...

This page was updated on 22 Nov 2012 to include the disclaimer below. No other content in this article was affected. 1. Cruciferæ, This family includes such plants as cress, cabbage, etc. There are ...