TANSY – Tanacetum vulgare - the strong scent of this plant discourages BEETLES, ANTS and FLIES, also aphids, cabbage worms, colorado beetles, squash bugs, japanese beetles
Plant near fruit trees to deter FRUIT MOTH
Sprinkle dried, crushed leaves to get rid of ANTS
RUE - Ruta - grow around the house to repel flies, horse flies and mosquitoes.
Excellent insect repellent.
Sometimes, rue plants are also used as natural pesticides, planted among other bushes such as roses or raspberries to keep away insects and small animals.
Some evidence suggests it may act as a natural herbicide against some other plants, as well!
... maybe it might work on ground elder !!
