University of Maryland Extension

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Ornamental Fruit Trees: Preventing, Diagnosing, and Managing Problems

Flowering crabapple (Malus ‘Camelot’). Photo: Dow Gardens, Bugwood.org Key Points Ornamental flowering fruit trees include cherry, plum, peach, apricot, hawthorn, crabapple, and serviceberry. All of these belong to the rose family of plants and have similar characteristics. These are attractive...

Boxwood: Preventing and Managing Common Pests and Diseases

Boxwood in a foundation planting. Photo: Karan A. Rawlins, University of Georgia, Bugwood.org Key Points Bowoods ( Buxus spp.) are broad-leaved evergreen, deer-resistant shrubs that are typically used as foundation plantings and backdrops for planting beds, topiaries, and formal gardens. There are...

2019 Annual Report

Download a PDF version of the 2019 Annual Report

Phorid Fly

Phorid flies on sticky tape Photo: Whitney Cranshaw, Colorado State University, Bugwood.org Their common name, humpbacked fly, reflects their humpbacked appearance . Adults are about 1/64 - 1/4" in size. There are several species of small black flies that may occasionally become pests in buildings...

Ornamental and Native Grasses for the Landscape

Ornamental pink muhly grass (left) with switchgrass in the background. Photo: Mikaela Boley Key Points Understand the term “native” versus “ornamental.” Learn which size and type of native and ornamental grass varieties are appropriate for your garden. Learn which ornamental and native grasses have...

Identifying Common Household Insect (bugs) Pests in and Around the Home

Indian meal moth Photo: Whitney Cranshaw, Colorado State University, Bugwood.org Key Points Proper identification is the first step prior to managing any pest. In most circumstances, an infestation can be brought under control without hiring a pest control company. Proper id, sanitation, managing...

Growing Dwarf Citrus

Meyer Lemon. Photo: Ria Malloy, University of Maryland Extension Key Points Citrus plants grow naturally in tropical and substropical regions of the world where they thrive with warm temperatures, high humidity, and sandy, slightly acidic soil. In Maryland, citrus plants need to be in containers...

Diagnostic Chart: Houseplant Problems

Houseplant Problems Symptoms Possible Causes Control/Comments Plant wilting Overwatering or lack of water : overwatering can cause root rots. Healthy roots should be light-colored and firm. Use a well-drained, soilless potting media labeled for houseplants. Water should be able to drain from the...

Spiders in Maryland

Wolf Spider Photo: Lesley Ingram, Bugwood.org Key Points There are many families of spiders. Spiders are general predators , feeding on a wide range of prey (insects, other spiders, etc.). They are beneficial to people because they feed on harmful insects. Spiders are important in reducing the...

Plants for Mixed Privacy Screens

Privacy screen created with a variety of different plants. Photo: Ria Malloy Key Points Choose a variety of plants for your privacy screen rather than many plants of a single kind. Screens with a variety of plants are more resilient to diseases, pests, and climate challenges. Prioritize native...

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