GARLIC 

Garlic planted around flowers may help control aphids. Garlic can also be used for repelling snails and carrot root fly. Garlic sprays can be used to repel whiteflies, aphids and gnats.

ROSE

Roses can repel fleas and moths.  Roses attract bees which are beneficial.

LAVENDER

Moths can be repelled by dried lavender. That is good alternative to standard approaches and smells better too.   Lavender attracts butterflies which are beneficial.

MARIGOLD

Marigold has natural insect-repelling qualities. Marigolds repel a variety of insects and works well in repelling ants.

MINT

Mint repels Cabbage Moth.

CHIVE

Chive planted around the base of fruit trees may help prevent bugs from crawling up the trunks.