Hello, yes i have lot of Wild plums, im grafting peachs,nectarine and pluots in this Wild plums.for the moment It seems that leaves are not sick, but its very soon yet. Will see what happen Next year.
My regiĆ³n, Galicia, in the north-west of spain its really rainy and wet, not cold in winter (never under 0)and not hot in summer ( not more than 30)