BBC Gardeners' World

Problem solving

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  Caterpillars

  Shredded leaves caused by an infestation of caterpillars.

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  Chickweed

  A dense, mat-forming weed that competes with plants.

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  Cleavers

  Sticky mats of foliage that can swamp cultivated plants.

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  Clematis wilt

  Sudden wilt, collapse or death of clematis plants.

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  Clover

  A perennial weed, affecting lawns and flowerbeds.

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  Codling moth

  Holes and tunnels in ripe fruit of apples, pears and quince.

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  Common daisy

  Spreading mats of foliage in lawns and flowerbeds.

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  Couch grass

  Clump-forming grass, affecting all garden areas.