According to the U. S. Department of Energy, on average, landscaping for energy efficiency can provide enough savings in cooling and heating costs to return your initial investment in less than eight years.
• Plant trees to shade your home, and reduce cooling costs in the summer months. Typically, newly planted trees will begin shading windows in their first year and will reach your roof in five to 10 years.
• Planting shrubs, bushes and vines next to your house creates dead air space that insulates in both winter and summer. Plant so there will be at least one foot of space between full-grown plants and your home’s wall.
• During winter, dense, low-lying trees and shrubbery on the north and northeast sides of your home can help protect your home from wind chill.