Answer: Just about anything that you like! First determine the sun exposure: is it full sun, partial sun, shade? What flowers match that? Then, think about soil moisure requirements. Choose flowers that have the same requirements. For example, warm-season annuals that take heat and sun include sunflowers, tithonia, zinnia, coreposis, cosmos, gaillardia, black-eyed Susan, coneflower, lisianthus, petunia, salvia, and vinca. I'm assuming you are referring to spring-blooming bulbs, but you could also plant summer blooming bulbs such as glads and dahlias.
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