Plant Problems:

• What is the reason you need a diagnosis?
• If known, what is name of plant; if not known what type (tree, shrub, perennial)?
• Does the plant produce flowers or fruit?
• Where is the plant located? Is location sunny or shady, wet or dry?
• How long has plant been in its current location?
• What chemicals or fertilizers have been used? Is mulch used?
• Inspect entire plant for symptoms, problems can be more complex then they first appear
• When did symptoms first appear?

Insect Pests:

• Are pests just a nuisance or are they causing harm to people or property?
• Where is highest concentration of pests?
• When did pest first appear?
• Describe pest (size, wings, number of legs, color, etc.)

You might also check out our Gardening FAQs for an answer to your question