Lots of vintage cattleya cultivars are virus infected. (CMV, ORV, etc.) Can anyone give me an informed guess on the percentage of old catts that are Typhoid Marys. Thanks! Steve H
Greenhouse grower SW WI USA , USDA zone 3. It's hard to heat a greenhouse when it's -40°C/F
Last edited by loneroc; 03-15-2022 at 08:57 AM..
Reason: Correct error