Plant Characteristics

• General Plant Biology
  This site includes information on angiosperms, gymnosperms, respiration, photosynthesis, seed to plant, flower to senescence, plant growth and many more topics.
• USDA Plant Classification
  use this site to determine the classification of a plant (from the plant kingdom all the way down to the cultivar.

Plant Problems (Diseases, Insects, and Abiotic)

• Entomology for Master Gardeners (University of Kentucky)
• IPM of Midwest Landscapes
• Focus on Plant Problems (Insects and Diseases)
• The Bug Review
• Webgarden
• Identifying Diseases of Vegetables

Plant Selection and Management

• Sustainable Urban Landscape Information Series
• Growing Vegetables at Home
• Fruit Production for the Home Gardener
• Tree Fruit Production

Weed Identification and Control

• Landscape Weed Management
• Weed Identification (interactive)
• Common Weed Seedlings