How to Manage Pests

Pests in Gardens and Landscapes

Heat injury

Heat may cause seedlings to wither and fall over after emergence. Prolonged hot weather may cause an older plant to form seed stalks. Plants begin to grow tall and send up flower stalks.

Solutions

If planting during warm weather, use floating row covers to protect plants in the the seedling stage. Once there are enough leaves to shade the stem, covers can be removed. Plant during cool weather to avoid seed stalk formation.

Bolting of lettuce plant
Bolting of lettuce plant

Wilting of plants exposed to heat
Wilting of plants exposed to heat


Statewide IPM Program, Agriculture and Natural Resources, University of California
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Agriculture and Natural Resources, University of California

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