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Every pest in your garden already has a natural predator. The missing piece is the flower that brings that predator in and keeps it there. Plant all nine of these and stagger the bloom times. You'll have a recruiter flower open every week of the season — and a predator on patrol every week of the season. What each one does: Dill and fennel both draw lacewings and hoverflies with their flat yellow umbels. A single lacewing larva eats 200+ aphids. A hoverfly larva can consume 400+ overnight. Let them bolt — the flowers are the point, not the herb. Yarrow holds ladybugs on-site. Its flat-topped flower heads give them easy landing access and nectar that keeps them resident in your yard instead of drifting to the neighbor's. One ladybug eats 5,000 aphids over its lifetime. Sweet alyssum recruits minute pirate bugs — tiny predators that specialize in thrips and spider mites, two pests almost impossible to knock back with sprays. Cosmos funds your hornworm defense. Its open blooms attract parasitic wasps that lay eggs inside hornworm caterpillars and consume them from within. Sunflowers become hunting platforms for assassin bugs. These ambush predators grab caterpillars, beetles, and leafhoppers with raptorial forelegs. One plant turns into a kill zone. Cilantro and marigold work the soil and the air. Ground beetles shelter under bolted cilantro by day and hunt slug eggs and cutworms at night. Tachinid flies drawn to marigold blooms parasitize squash bugs, stink bugs, and Japanese beetles. Buckwheat fills the gaps. It blooms in four to six weeks from seed and produces dense nectar for beneficial wasps targeting cabbage worms and corn borers. Succession-sow every three weeks through the season. The garden that feeds predators doesn't need to fight pests — it just needs to stay in bloom.