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Shrub Problems - Nonliving

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Updated: March 14, 2023

Excess Mulch Problems

Too much mulch can cause problems for trees and shrubs
mulch volcano - too much mulch at the base of a tree
Updated: February 24, 2023

IPM - Prevent, Identify, and Manage Plant Problems

How to ID, prevent, and manage plant problems in Maryland using IPM
no lawn landscape
Updated: May 4, 2023

Azaleas and Rhododendrons: Identify and Manage Problems

List of azalea and rhododendron diseases, insect pests, and abiotic problems.
rhododendron bloom
Updated: March 1, 2023

Early Fall Coloration

Tree leaves showing early fall color can be caused by environmental stress, insects, or disease problems.
fall color on maple leaves
Updated: March 1, 2023

Freeze Damaged Flowers on Trees and Shrubs

Freeze damage is usually the cause of damage to early spring blooming trees and shrubs.
freeze damage to star magnolia buds
Updated: February 28, 2023

Trees and Shrubs Failing to Flower

Multiple factors can cause woody plants to fail to produce blossoms.
stress on Kousa dogwood
Updated: February 28, 2023

Boxwood Decline

Boxwood "decline" is used as a catch-all phrase for poor boxwood growth, which is caused by a combination of factors.
Significant dieback on a boxwood
Updated: February 28, 2023

Herbicide Damage to Trees and Shrubs

Herbicide damage to plants can cause twisted or distorted foliage.
herbicide injury on sycamore tree
Updated: February 28, 2023

Problems Caused by Compacted Soil

Soil compaction can lead to tree and shrub decline or death.
Compacted soil around a tree in an area with heavy foot traffic
Updated: February 28, 2023

Drought and Excessive Heat Stress

Prolonged periods of drought or high temperatures may cause temporary or permanent damage to landscape plants.
drought symptoms on stewartia