Daughter gave me a cherry tree with 4 different type cherries grafted onto this one tree. Do I need other trees to help cross pollinate? Live in Hunterdon county, Clinton, NJ. It’s 3 years young but looking weak...black spots on leaves last year. Thank you, helen
Daughter gave me a cherry tree with 4 different type cherries grafted onto this one tree. Do I need other trees to help cross pollinate? Live in Hunterdon county, Clinton, NJ. It’s 3 years young but looking weak...black spots on leaves last year. Thank you, helen