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Plant Health Diagnosis: Assessing Plant Diseases, Pests and Problems
Plant Health Diagnosis: Assessing Plant Diseases, Pests and Problems - Online Courses Online Courses
$59.00
Learn a process for diagnosing plant health problems, including signs and symptoms of diseases, pests and insects, and environment or management issues. More
Rhododendron in bloom
Pruning Ornamental Trees and Shrubs - Online Courses Online Courses
$59.00
This online course for landscape professionals and home gardeners covers pruning basics: how trees and shrubs grow, when and how to prune, and safety and tools. More