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.
Thorns on fruit trees are a defense mechanism to defend against grazing animals, such as deer and livestock, whose eating habits may damage or even destroy a tree.Young fruiting plants in particular develop thorns for protection.he hawthorn (Crataegus spp.) is a small, bushy tree that produces a bright red berry-type fruit in USDA hardiness zones 3 through 9. Despite the long, sharp thorns on its branches, this plant is often used as a garden ornamental due to its lush foliage.