How do I kill masses of ivy without poisoning the soil for planting?
I planted a few English Ivy pots ten years ago in an effort to mitigate soil erosion on a hillside. The ivy has taken over everything in its path, climbing trees, choking shrubs, covering fences.
Vegetation killers caution against its use under tree drip line or over tree roots, and I've got several old growth oaks surrounded with the ivy.
Now, I want the ivy gone so that I can plant a trees in the same soil. How do I kill the ivy but save the existing trees and soil?