Our arborist advice section is the most extensive expert collection of tree, lawn and landscape care tips and educational resources that you will find anywhere.
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The dogwood has been considered a treasure in the landscape for years. A destructive disease known as anthracnose can tarnish its image. Keep your dogwoods healthy with these tips.
These insects bore into tree bark and cause ugly scars. Brown frass around bark cracks or wounds may indicate an infestation.
The black turpentine beetle is on of five common species of pine bark beetles in the US. It causes considerable damage to stressed pines throughout its range which spreads from coastal New Hampshire to Florida and as far as eastern Texas.
The black vine weevil frequently injures and defoliates taxus, Japanese holly, rhodedendron, azalea and euonymus plants.
Borer larvae feed underneath the bark, creating multiple tunnels that cut through the water-transporting layers of wood, interfering with the water supply to branches and needles.
The bronze birch beetle is a destructive beetle larva that feeds on birch trees wakened from drought, poor growing conditions or other insect infestation.
The buck moth caterpillar is a serious pest that defoliates oaks, particularly in the New Orleans area. It is found from Maine to Georgia and west to California.
Bagworms are serious pests of shrubs and woody ornamentals. Since their spindle-shaped, protective bags are made of silk, debris and portions of foliage, they're camouflaged and often unnoticed until serious plant damage has occurred.
In large populations, azalea lace bugs can weaken plants and leave reminders of their damage behind. But with some extra care and attention, you can help save your plants from unsightly leaf damage.