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    … Bacterial Leaf Spot and Leaf Blight Disease on English Ivy Fungal Leaf Spot Disease on Flowers Gray Mold Disease on … Bindweed Horsenettle Horseweed Jimsonweed Mugwort Pigweed Poison Ivy How to Identify Poison Ivy Pokeweed Ragweed Velvetleaf Virginia Creeper …

  • Removing Invasive Plants and Planting Natives in Maryland

    … wander if allowed. Great for meadows, damp woods. Vibrant violet flower. Not deer resistant. Perennial Sensitive fern …

  • IPM - Prevent, Identify, and Manage Plant Problems

    … and efforts selecting and growing “the right plant, in the right place, in the right way” will pay off in the … of your plant), and physical (e.g., hand removal of insect pests and weeds) approaches to prevent problems and control … Soil building and fertility Incorporate organic matter or compost into flower, ornamental, and vegetable beds on a …

  • Invasive Plants to Avoid Buying for your Yard and Garden in Maryland

    … decisions.   How do I know what is considered an invasive plant? Rankings of non-native plants as invasive can vary … species or ecosystems, including how widespread the plant currently is or could become, and how difficult it is … on invasive plant ID pages. Resources for native species identification include: Maryland Native Plant Society has an …

  • IPM Vegetable and Fruit Scouting Tips

    … Brassicas: Continue to scout all fields for caterpillar pests (armyworm, diamondback moth larvae (DBM), and cabbage … can severely reducethese natural enemies causing spider mite outbreaks. If you see large aphid populations, look for beneficial insect activity. If numerous lady beetle, syrphid maggot and …

  • Azaleas and Rhododendrons: Identify and Manage Problems

    … depending on the genus and species planted. Check the plant label for the mature height and width.  Disease and … availability of nutrients to plants. Tips for diagnosing  plant problems The majority of plant problems are not caused by a disease or an insect, …

  • Boxwood: Identify and Manage Common Problems

    … Fertilizing Miscellaneous Site Proper site selection and plant care are essential for maintaining the health of … and insect resistant plants To prevent boxwood blight, plant disease-resistant cultivars (e.g. ‘New Gen’™, ‘Green …  for more information and updates.  Management Confirm the identification of box tree moth through Ask Extension before …

  • Cherry Laurel: Identify and Manage Problems

    … Cherry laurel shrubs are commonly-used evergreens for hedges and foundation … ( Prunus laurocerasus ) are evergreen, deer-resistant shrubs, making them a popular choice for screening and … can be easier for disease spores to infect. Fertilizing Fertilize cherry laurel if a laboratory soil test indicates a …

  • Fruit Plant Care

    … are reported as “optimum”, “high”, or “excessive,” you can fertilize with nitrogen-only fertilizers. Adding more P and K … contact with the soil, move mulch away from plants to fertilize and reapply it after fertilizing. If using a dry … the soil surface to the top of the plant. Cover blueberry shrubs and other vulnerable small fruit plants with …

  • Disease Management Recommendations for Fall-Planted Strawberry Plug Plants

    … Figure 1. Plant collapse and bluish-green leaf color of 'Flavorfest' … be latent and asymptomatic (i.e., they are present in the plant material, but there are no outward symptoms), making … material. If you cannot complete this operation before you plant, do so right afterwards, and remove this foliage from …