Michigan State University Extension
Ornamental Plants plus Version 3.0 - 00000730
11/12/99
HIBISCUS DISEASE PROBLEMS
If leaf spots are seen, pick off and destroy the infected
leaves.
If bacterial leaf spot causes problems, pick off and
destroy infected leaves.
Canker can kill branches or entire plants. Bright,
reddish-orange fruiting bodies may appear on the bark. No
chemical control is available. Prune out infected
branches.
Flowers may be infected with blight caused by Botrytis
cinerea.
Bud drop can be caused by too much or too little water or
over fertilization.
Related information.
Pesticide Recommendations
Cankers
Botrytis Blight
Fungal and Bacterial Leaf Diseases
This information is for educational purposes only. References
to commercial products or trade names does not imply
endorsement by MSU Extension or bias against those not
mentioned. This information becomes public property upon
publication and may be printed verbatim with credit to MSU
Extension. Reprinting cannot be used to endorse or advertise
a commercial product or company.
This file was generated from data base ZZ on 01/19/00.
Data base ZZ was last revised on 11/12/99.
For more information about this data base or its contents please contact
heatley@msue.msu.edu . Please read our
disclaimer for important
information about using our site.