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  • Crapemyrtle: Identify and Manage Problems

    … Crapemyrtles are widely-used landscape trees and shrubs for their showy summer flowers.  Photo: M. … It is normal for crapemyrtle to lag behind most other tree and shrub species when producing new growth in spring, though …

  • Tips for Choosing Trees and Shrubs

    … area. Updated: March 7, 2023 Select an appropriate tree or shrub for the site Overgrown dwarf Alberta spruce … inside the house. Photo: R Malloy Determine  how big the  tree or shrub will get when mature before you purchase and … it . This step can  save you the job  of removing the tree   or shrub  in the future that has outgrown the …

  • Fertilizing Trees and Shrubs and Nutrient Deficiency Symptoms

    … their mature size. It is not recommended to fertilize at planting time. Research studies show most of a plant’s energy … especially if applied during the hottest time of the day, can burn the foliage. Foliar fertilization is a common … pin oak (Quercus ellipsoidalis). Photo:  Joseph O'Brien, USDA Forest Service, Bugwood.org Iron chlorosis is a symptom …

  • FAQs: Plant and Insect Identification

    … as well as some unwelcome non-native interlopers. Below are some of the most common questions we receive about both … newly established buffers to allow the establishment of an organic duff layer and understory vegetation. The Zone 3 … from upslope erosion, and filters out fertilizers and pesticides used on adjacent land. Check with your Soil …

  • Boxwood: Identify and Manage Common Problems

  • Growing Flowering Dogwood Trees

    … dogwood (Cornus florida) is a small Maryland  native tree with white or pink bracts (specialized leaves resembling … the spring, colorful red to burgundy foliage in the fall, and red berries that support wildlife. The key to maintaining … to decline. Refer to our pages about planting a tree or shrub for step-by-step instructions. Caring for your tree

  • Pollinator Friendly Plant Production 2: Controlling Insect Pests (FS-1095)

    … Updated: June 14, 2024 By Dr. Sara Tangren , and Stanton Gill FS-1095  |  February 2020 Pollinator … hand. Neem pesticides are derived from seeds of the neem tree ( Melia azedarach –a relative of the mahogany tree). … of Massachusetts Extension. Tawny Simisky. 2018. Tree and Shrub Insecticide Active Ingredients: Alternatives to …

  • Losing Your Trees to the Sea? (FS-2022-0645)

    … Updated: June 23, 2023 By Dr. Kate McClure , and Agnes Kedmenecz FS-2022-0645  |  May 2023 Losing Your … conditions can cause stress and can limit growth rates and tree regeneration. Stress caused by flooding and saltwater … of reduced tree health and vigor, including increase in insect problems, sparse crown, low growth, mortality, short …

  • Azaleas and Rhododendrons: Identify and Manage Problems

    … in bloom Updated: June 12, 2023 Key points about azaleas and rhododendrons Rhododendrons and azaleas offer a wide … flower (Rhododendron periclymenoides),  a deciduous shrub, is one of several azaleas native to the Mid-Atlantic … cause stunting and wilting, and may kill small shrubs and tree seedlings. The adult weevils are about 3/16 inch long, …

  • Conifer Bark Beetles on Trees and Shrubs

    … usually less than 8mm. They are brown to black in color and cylindrical in shape. The beetles generally attack trees … pheromone, which attracts more bark beetles to the tree under attack. Beetles often carry pathogenic fungi such … stain that are deposited in the vascular system of the tree. These fungi quickly multiply and clog the water …