Answer: It sounds as though you are giving your hanging baskets adequate care so I think the major problem is the wind coupled with reflected heat from the fence. If you adjust your plant selection, you may have better success. The following plants are heat, wind, and drought tolerant: Moss rose, trailing lantana, verbena, annual vinca (Catharanthus roseus), Creeping Zinnia (Sanvitalia procumbens), Cypress Vine (Ipomoea quamoclit), Licorice Plant (Helichrysum petiolare), Lotus Vine (Lotus berthelotii), Fan Flower (Scaveola aemula). All are trailing and would make nice additions to hanging baskets.
Best wishes with your garden!
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