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IPM Home > Home, Gardens,
Landscapes, and Turf > Pesticides > Azadirachtin
How to Manage Pests
Pesticide Information
Azadirachtin
Type:
Botanical insecticide; also called Neem.
Plant uses:
Ornamentals, fruit trees, vegetables.
Pests controlled:
A broad range of insects are affected including leafminers,
whiteflies, and larval stages of some chewing insects such as leaf
beetles, weevils, and caterpillars. It functions as a feeding deterrent
and growth regulator. It is usually slow acting because it often
prevents a molt to the next stage. Insects will often continue
to feed for several days after application. Some insects may simply
avoid treated surfaces and not be killed.
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 Hazards to people
Low.
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 Hazards to wildlife
Moderate to high toxicity to fish. Low to other wildlife.
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 Hazards to beneficials
Low to moderate.
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Potential period of activity after treatment:
Several days.
Precautions and safety equipment:
Minimize your exposure to pesticides. Avoid contact with eyes. Wear eye protection, long pants, a long-sleeved shirt,
and a hat that can be washed after each use.
Active ingredient:
Azadirachtin is extracted from the seed pods of the neem tree, which grows primarily in southern Asia. Do not confuse
Azadirachtin with neem oil, which is also available as an insecticide but its effectiveness is limited to mites,
aphids, and other soft-bodied insects normally controlled by oils.
Application tips:
Best control is achieved against small, immature insects. Good coverage is recommended. Insects
may avoid treated leaf surfaces.
Always check the label before purchasing or applying a pesticide product for a specific pest on a specific plant
to be sure it can be applied. Follow label directions precisely.
WARNING ON THE USE OF CHEMICALS
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