varieties produce aromatic oils that give the plants their distinctive fragrance. Growing mint around outdoor areas may help make the environment less attractive to certain insects.
Like peppermint, however, mint can become invasive when planted directly in the ground.
Growing tip
Containers are often the easiest way to keep mint from spreading throughout the garden.
6. Catnip
Catnip may look like an ordinary garden plant, but it contains nepetalactone, a compound that has been studied for its insect-repelling properties.
Research has found that nepetalactone can have repellent activity against certain insects, although the effectiveness of a living catnip plant in a home setting can vary considerably.
One unusual drawback is that cats may be strongly attracted to catnip.
Growing tip
Plant catnip somewhere sunny and be prepared for neighborhood cats to take an interest in it.
7. Marigolds
Marigolds are frequently recommended as companion plants because of their strongscent
