Cottonwood Slime Flux - Ask Extension
Noticed a white residue on our cottonwood tree this fall and with some research thought it might be slime flux. Is this actually slime flux and is the...
Knowledgebase
Cottonwood Slime Flux #823714
Asked March 28, 2023, 12:12 PM EDT
Noticed a white residue on our cottonwood tree this fall and with some research thought it might be slime flux. Is this actually slime flux and is there anything I can do to help prevent it from spreading?
Hennepin County Minnesota
Expert Response
The stain show in the photos is probably evidence of slime flux, also known wetwood.
Go here for reliable information about this relatively benign disease.
https://www.missouribotanicalgarden.org/gardens-gardening/your-garden/help-for-the-home-gardener/advice-tips-resources/pests-and-problems/diseases/cankers/bacterial-wetwood
Go here for reliable information about this relatively benign disease.
https://www.missouribotanicalgarden.org/gardens-gardening/your-garden/help-for-the-home-gardener/advice-tips-resources/pests-and-problems/diseases/cankers/bacterial-wetwood