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  • What's Wrong with my Colorado Blue Spruce Tree?

    … and progressively speed up the decline of this popular tree. Rhizosphaeria needle blight on blue spruce. Needle Cast … symptoms will continue to spread upward and around the tree. Branches will decline and die after 3-4 years of … years of defoliation and symptom progression up the tree. The dark fungal fruiting bodies may be hard to find …

  • Spotted Lanternfly (SLF) II - Scouting and Management

    … insect is a “newly introduced” pest that has the potential to be very significant and damaging in vineyards if not … and TOH but also on objects such as rock, vehicles, etc.   When egg masses are located, destroy by scraping into a … remaining 10% of the trees.   TOH can be very difficult to remove and may require repeated efforts and monitoring. …

  • Branching Out - Winter 2026

    … in Your Woodlands" looks at the Japanese Angelica Tree. And don't forget the events calendar and the Brain … University of Massachusetts Amherst: Reforestation Guide: Tree Planting to Enrich, Restore, and Adapt Northern Forests. … occidentalis Daniel Pratson The humble common hackberry tree (Celtis occidentalis) , sometimes referred to as a …

  • San Jose Scale

    … Infestation of San Jose scale on apple. Photo: Laura Jesse Iles, Iowa State … ). Where to look They will be found year-round on the bark of branches of all sizes. They can also be found on the … but fruits are safe to consume. Scale feeding through the bark can cause reddish-purple staining to the underlying …

  • Native Trees of Maryland: The Pawpaw, Asimina triloba

    … Maryland’s Exotic Treat Pawpaws, prized for their tasty fruits, produce the largest native fruit in North America. Their fruits, about the size of an avocado, are described as a … levels of essential amino acids. This small understory tree (10-40’ tall), might be a fun and fitting option for …

  • Root Rots on Trees and Shrubs

    … eventually browning. Dying needles usually remain on the tree. The bark and wood become spongy and develop resin … Resin may also ooze through the bark at the base of the tree and exposed roots become resin soaked. Trees planted in … decayed tissue. This root decay contributes to wind thrown tree damage and leaning trees after heavy storms. Reddish …

  • Squirrel Damage on Trees and Shrubs

    … Updated: February 28, 2023 The eastern gray squirrel is a tree-dwelling rodent that feeds on a wide variety of foods such as tree fruits, garden vegetables, seeds, nuts, buds and young …

  • Thrips and Tree Pollen in Vegetables

    … October 23, 2024 By Gerald (Jerry) Brust Thrips and Tree Pollen in Vegetables At times growers may be surprised … been feeding on pollen—not pollen from the vegetables, but tree pollen such as pine. A recent study in Georgia found … they may be having thrips problems on any early season fruits or vegetables please email me at jbrust@umd.edu or …

  • Start Growing Thornless Blackberries: How to Prepare and Select Cultivars for the Mid-Atlantic (FS-2023-0660)

    … |  December 2023 Start Growing Thornless Blackberries: How to Prepare and Select Cultivars for the Mid-Atlantic Figure … and Von. These cultivars are far easier to harvest, stake, and prune than blackberries with thorns. … Start Growing Thornless Blackberries: How to Prepare and Select Cultivars for the Mid-Atlantic …

  • Growing Strawberries in a Home Garden

    … perennials that can be cultivated successfully in rows, beds, or even pots and make an attractive groundcover when … wet soil conditions. If your soil drains slowly, build a raised bed at least 12 inches above grade. Plant in spring: … directions and fill in with “daughter” plants. Keep the beds narrow (12 inches), if possible, to maximize sunlight …