Answer: You're probably referring to attracting beneficial, or predacious insects, to your garden to help reduce the populations of destructive insects. Beneficials have short, sucking mouthparts, and appreciate flowers that are easy to land on and easy to get nectar from. Ray or disk-type flowers include asters, sunflowers, or chrysanthemums. Other flower types attractive to beneficials include umbels like yarrow, Queen Anne's Lace, and parsley. If you keep in mind that beneficials are looking for fast food, and prefer a soft landing pad, you won't go too far wrong in choosing flowers to attract them to your garden.
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