Plant health care

Pieris, formerly named andromeda, is an evergreen shrub group with year-round appeal. The most common species is Japa…

Pin oak (Quercus palustris) is a fast-growing, large-maturing shade tree with a pleasing oval-pyramidal…

For several years, arborists and homeowners throughout California have observed symptoms of general decline in hedges…

Poison hemlock (Conium maculatum) is a nuisance plant that grows throughout the United States and Canada. Th…

Potassium deficiency is commonly observed in palm trees across landscapes in leached, sandy soils. It has been said t…

The crape myrtle bark scale (CMBS) is an exotic pest that causes damage to crape myrtles. Since its arrival, several …

Red maple (Acer rubrum) is a medium-sized shade tree that grows in most landscapes. During the summer it has…

Eastern redbud (Cercis canadensis) is one of the most subtly attractive, small native trees found in the lan…