retaining wall

Retaining walls help direct water away from your home.

Diagnosis

Assessing Drainage Problems

Indicator Plants for Site Conditions

Diagnosing Hazard Trees

Do I have Root Rot?

Collecting a Sample To Submit for Diagnosis

Diagnostic Guide for Landscape Plants Exhibiting Nonspecific Symptoms

Drainage, Slopes and Retaining Walls

Quick and Easy Symptom Checker

QuikLeaf Diagnosis Chart

Site Evaluation Form

Contact

Tamson Yeh
Pest Management / Turf Specialist
tsy3@cornell.edu
631-727-7850 x 240

Last updated March 29, 2017

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Cornell Cooperative Extension
Suffolk County

Extension Education Center
423 Griffing Avenue, Suite 100
Riverhead, New York 11901-3071
TEL: 631-727-7850
suffolk@cornell.edu
Hours: 8:30am-4:30pm

Horticulture Diagnostic Labs

Healthy Recipes

Local Fisheries

Growing Degree Days (GDD)

Learn and Play Early Childhood Programs

Diabetes Education

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