Knowledgebase
Brown spots in lawn #877206
Asked July 14, 2024, 7:44 PM EDT
Denver County Colorado
Expert Response
I’m sorry but the extension office does not have a program to visit your site to test your lawn. However, there are labs to test samples that you submit (there is a cost).
CSU Plant Diagnostic Clinic https://agsci.colostate.edu/agbio/plantclinic/
Soil-Water-Plant Laboratory https://agsci.colostate.edu/soiltestinglab/
Attached are some fact sheets regarding lawn diseases you might be experiencing.
Ascochyta leaf blight: https://extension.colostate.edu/docs/pubs/garden/02901.pdf
Necrotic ring spot: https://extension.colostate.edu/docs/pubs/garden/02900.pdf
Dollar spot: https://planttalk.colostate.edu/topics/lawns/1522-dollar-spot-turfgrass/
Below s a fact sheet on lawn care in general.
https://extension.colostate.edu/topic-areas/yard-garden/lawn-care-7-202/