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Poinsettia Problem Diagnostic Key - Symptoms / Cause

Plant Structure
Leaves
Bracts

Stems

Roots
Insects
Shipping Related Problems
Problems at the Consumer Level
Leaf Edges Yellow and Necrotic
Yellow and Necrotic Leaf Spots
Uniform Yellowing
Leaf Discoloration, Chlorosis
Black Fuzzy Spots on Leaves
Leaf Deformation
Puckering of Leaves
Drooping Leaves
Leaf Loss

 

Topmost leaves (Sulfur deficiency)
Uniform light yellow-green color of older, lower leaves (Nitrogen deficiency)
Lower leaves partially to completely yellow, combined with low light levels and/or tight plant spacing (Spacing)
 
 
 

Home : Plant Part / Problem Type : Plant Structure / Problem Location : Symptoms / Cause

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