Care of Large and Small Evergreens Care of Large and Small Evergreens Good health is the natural state of evergreens. Learn to keep your evergreens healthy. Plants in a vigorous state of growth are less susceptible to pests and diseases than plants under stress.
Water is essential to plant life.
More landscape plants, evergreens, and deciduous trees are injured or die because of water-related problems than for any other reason. The soil that surrounds a plant's roots is a reservoir for water. You should fill that reservoir whenever it begins to dry out. For example, sandy soils require more frequent watering than clay. Don't try to water by the calendar since the need to water changes too much.