Golden Chain Tree Dying

Question

I purchased a Laburnum alpinum from a mail nursery, potted it, and followed instructions. It developed good foliage, so I planted it accordingly. The leaves yellowed and died, and the stalk is dead to about three inches above ground. I live in northeast Ga. , but the ground it’s in is not clay, and is arable. I tried Dithane with no success.

Answer 1

Here is information about growing the golden chaintree:
http://edis.ifas.ufl.edu/st340