yellow needles on pine (25322 bytes)

Are Your Pine Trees Showing Yellow and Brown Needles?

By Mary Small, Colorado State University Cooperative Extension Urban Integrated Pest Management

If your pine trees are showing yellow and brown needles, this does not necessarily mean they have a disease. Interior pine needles of a certain age turn yellow or brown in the fall, then drop. This is normal. As long as this year's needles are green and the buds are healthy, the trees will continue to grow. Pines retain their needles for different lengths of time before they shed them. Ponderosa pines, for example, shed their three-year-old needles. If, however, needles around the branch tips are yellowing or browning, contact the Colorado State University Cooperative Extension office in your county to ask for help with the problem.

Photograph courtesy of Judy Sedbrook.

Back to Trees

Back to Home

 

 

Ask a Colorado Master Gardener | Calendar | Children | Container GardeningCSU Fact Sheets
Credits | Diseases | FAQ | Flowers | Fruits | Gardening | GlossaryHouseplants | Insects & Pests
Lawn & Grasses | Links | New to Colorado | PHC/IPM | Soil | Shrubs | Trees
Vegetables | Water Gardening | Weeds | What's New | Who We Are | Xeriscape

Search

line4.gif (1411 bytes)

Contact Us | Disclaimer | Equal Opportunity

CSU/Denver County  Extension Master Gardener 2010
888 E. Iliff Avenue,  Denver, CO 80210
(720) 913-5278

E-Mail: denvermg@colostate.edu  

Date last revised: 01/05/2010