I grow pansies. They get well established, look great and then just wilt and die. On examination the roots have rotted, but I cannot find any insects or bugs. My soil is good well drained, so I wonder if there is a soil-borne disease that I am not aware of. Very disappointing when it happens.
Please can you advise where I can find a lab to send a soil sample and pansy plant?
Certified GKH Gardening Expert
This link should help with locating an office near you: https://www.gardeningknowhow.com/extension-search
Get in touch with your local agricultural extension office. They should be able to either send it to your state's DoA lab, or advise you about other labs. There may be a fee for this service.
Pansies are cool weather plants. They do not like heat. Pansies will not tolerate constantly wet soil. Yes, there are many soil borne pathogens that could be identified by lab tests.