Scale insects are starting to get established on many types of trees, covering branches, leaves and anything beneath it with a stick, sooty mess populated by bees.

Jun 18, 2009 – John Hogan

Mature trees provide many benefits. Their shade helps lower energy costs, and their aspect heightens land values. But builders need to plan ahead to protect these assets.

Jun 9, 2009 – Richard Freeland

Every few years, oak trees seem to come alive in a most unsettling way as leaf-chewing gypsy moth caterpillars emerge from tan egg masses and begin their feeding frenzy.

May 10, 2009 – John Hogan

Homeowners looking to protect a prized ash tree from the deadly emerald ash borer have until early June to treat trees using products available at most garden centers.

May 2, 2009 – John Hogan

Conventional wisdom says newly-planted trees need support stakes, but a growing number of arborists contend the practice is unnecessary, and potentially fatal.

Apr 29, 2009 – John Hogan

Pruning landscape trees while they are dormant enhances their appearance, health and structure, allowing fresh wounds to heal before wood-boring insects arrive in May.

Mar 11, 2009 – John Hogan

Before an ice storm blows in, learn how to protect your trees from damage and how to help trees heal from its devastating effects.

Dec 29, 2008 – Marcia Passos Duffy

Christmas trees are a festive and popular holiday decoration, setting the tone for the season. Proper selection and care will keep them merry and bright for the duration.

Dec 21, 2008 – Terence P Ward

Trees and shrubs need acceptable backfill, mulch, staking and pruning for good growth. New planting guides stress backfill and mulch depths to ensure good establishment.

Dec 8, 2008 – Georgene A. Bramlage

Trees and shrubs reach consumers in ways that may result in root defects. Inspect roots and correct problems to ensure proper establishment, stress new planting guides.

Dec 8, 2008 – Georgene A. Bramlage

Many homeowners think that if their tree falls onto a neighbor's property that it's an act of God and they won't be responsible - this may not be the case.

Nov 9, 2008 – Rod Whitlow

Midsummer is aide memoire for renovating lilac, a large tree or shrub. After flowering early in summer, the longest day signals time for pruning lilac trees heavily.

Jun 22, 2008 – Susan Morris

Cutting back the trees in your yard can be a satisfying and beneficial job, but you need to know what you're doing.

Jan 18, 2008 – David Mills

White House Christmas trees and themes, role of the National Christmas Tree Association in providing the official tree and simulated holiday White House tours.

Dec 15, 2007 – Georgene A. Bramlage

Fresh-cut and suitably watered Christmas trees are safe trees. Here are suggestions for Christmas tree care, display, longevity and advisability of tree preservatives.

Dec 10, 2007 – Georgene A. Bramlage

Crabapple diseases ruin landscape designs. Bacteria and fungi cause the majority of crabapple diseases. Awareness and proper environments lead to healthy crabapples.

Nov 29, 2007 – Georgene A. Bramlage

While trees are the main tool of the landscape designer they must be selected carefully to avoid future problems.

Nov 15, 2007 – Rod Whitlow