Too much of a good thing can mean death for indoor plants. Overwatering is a good example of this and a common problem for indoor gardeners. For others it’s the opposite extreme, allowing plants to go too dry. Knowing when to water your indoor plants can increase gardening success and eliminate the stress of uncertainty.

The first step is to throw away your watering schedule. Start watering plants based on their individual need not the date on the calendar. Consider the type of plant, container material and size as well as other growing conditions.

Get to know your plants by checking the...