Answer: Here are some choices: Portulaca (excellent for drought tolerance), Alyssum, Ageratum, Convolvulus, Dusty Miller, Geranium, Heliotrope (smells heavenly), Lobelia, Verbena, Nasturtium, Pentas, Petunia, Phlox, Scaevola, and Helichrysum (looks spectacular with Verbena and/or Heliotrope). Remember, the most important factor in having beautiful cascading plants in planter boxes or hanging baskets is staying on top of watering. During the hottest days of summer you may need to water more than once a day. Containers dry out very quickly.
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