Catnip, also called catmint, is a member of the mint family that is known to repel mosquitoes. A study headed by researchers from Iowa State University found that nepetalactone, an essential oil found in catnip, was 10 times more effective than DEET, a compound found in commercial insect repellents.
Lemon balm, basil and peppermint are other members of the mint family known to repel mosquitoes. Other garden plants reputed to repel mosquitoes include marigolds, lavender, citronella grass, rosemary, calendula, garlic, cloves, eucalyptus and tea tree. Wild plants with a similar reputation include cedar, sagebrush, wild bergamot, wormwood, mugwort, snowbrush, sweetfern and nodding onion.Learn More
Catnip is a member of the mint family. Although it is most associated with cats, it is also consumed by humans as a herb and as a natural insect repellent.Full Answer >
Plants provide food to people and animals, regulate the water cycle, create oxygen and provide a habitat for other species. Without plants, life on Earth would not be sustainable for most species, including humans.Full Answer >
Plants are green because of a pigment called chlorophyll. Chlorophyll absorbs all colors of visible light except for green, which is reflected. Thus, the reflection of the green part of visible light is what causes plants to look green.Full Answer >
Plants are necessary because they are a primary food source and provide the oxygen that is vital to animals' and humans' existence. A majority of the calories that people consume comes from plants, and most meat comes from animals that eat plants. Plants are at the bottom of the food chain, and animals could not survive without them. Plants also release the oxygen that humans and animals breathe.Full Answer >