A couple of decades ago, hostas were often described as "cast-iron" plants that could take anything you threw at them and still be great in the garden. Well, as the years have passed and hundreds of thousands or millions of hostas have been planted across the country, it became evident that they too have some problems.

Here is a list of the things that routinely bother hostas. Fortunately, many of them are specific to particular types of hostas while others are part of the environment found in the shade.