It is not effective on fine textured, compacted soils where water does not drain readily. Plants may be protected from salt spray by placing materials such as plastic, burlap, plywood or window screen on or in front of them. This provides a physical barrier that prevents salt spray from contacting the plant. Avoid planting in drainageways or in areas where runoff collects . Salt spray damage can be avoided by planting trees and shrubs away from the spray drift zone at least 50 feet from a highway or further if downwind.
Plants vary in their sensitivity to salt.
It should be emphasized that even tolerant plants are not immune to injury.