Another take on the identical problem (likely same homeowner): 25×15 ft, west side, large trees, two sheds, mower path needed, failed evergreens/rhododendron/azalea. First impression on arrival.
Apply 4–6 inches of screened humus soil over the root zone (not against trunks). This creates a planting medium above the competitive tree roots.
Plant a matrix of tough, spreading perennials:
Water consistently—the trees will outcompete new plants for moisture.
If this doesn't resolve it, a site photo would allow more specific guidance.
Bud Christmann
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