- Yellowjacketswasps image by Maksym Dyachenko from Fotolia.com
Wasps are also commonly known as yellow jackets and their nests are in the ground. Their presence is often noticed later in the year as the adult wasps intensify their search for food to stock for the winter. Some effective plants that act as wasp deterrents include wormwood or Artemisia, mint and lemon grass. - Wormwood (Artemisia) is a boxy shrub that was used for a long time as a medicine until it was discovered to be poisonous. Planted as a border, wormwood creates a wasp-free area in the landscape. It grows well in full sun or partial shade. Wormwood has insecticidal properties and a sachet of wormwood leaves will also keep moths away. The use of wormwood dates back to 1600 B. C. in Egypt. Dried wormwood cuttings spread on the soil also act as an insect deterrent. Plant wormwood in well drained soil. Avoid planting it close to beans, anise, fennel, sage and peas.
- Mint and mint oil are both highly effective wasp deterrents. Mint is a very ideal herb since it offers its own aesthetic value in the garden with its pleasing aroma and lush green growth. Once the wasp population has subsided the mint can be cut and used in bouquets or as a fresh or dried herb for cooking. Mint is, however, an invasive herb and is likely to take over large areas in a relatively short period of time. The best way to grow mint is in large pots or control growth with frequent pruning. It is a hardy herb that grows equally well in sun and shade.
- Lemongrass (Cymbopogon citrates) is another effective wasp repellent. Wasps can be particularly annoying at picnics and barbecues. Just taking a bunch of lemongrass along and placing on the picnic table works just as well as having a lemongrass plant growing nearby and will keep wasps away. Lemongrass is a popular herb used in Thai dishes. The narrow, tall leaves grow in clumps and have a sharp lemon fragrance and taste. The herb grows easily in full sun and moist, fertile soil.
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