In recent years, experts have discovered more far-reaching effects of vitamin D deficiency. In 2009, researchers from the University of Missouri-Columbia found that insufficient levels of vitamin D are associated with inflammation, an immune system response that can cause fluid buildup and swelling.
1 of 19 Facebook Pinterest. Feeding birds comes naturally when you grow trees and shrubs with nutritious berries. The plants you'll find in this slideshow do double duty: They attract birds and create a beautiful display with their flowers, fall colors, and fruits adding sparkle to your landscape. 2 of 19 Facebook Pinterest.
At the end of the blooming season, don't cut the spent flowers off, but allow them to dry and hang in place. Flowering Shrubs and Vining Plants... Plant shrubs in clumps or hedgerows so birds can observe the yard while hidden from the view of cats and other predators. By the same token, place your bird feeders and bird baths away from places where cats may lay in waiting for an unsuspecting bird.