Agastache and geraniums contain an oil in the crushed leaves that is said to repel insects.
Two kinds of plants are called mosquito plants. Citronella geraniums and Agastache cana are two plants that claim to repel mosquitoes. Only the Agastache produces flowers and they are pinkish-red to orange-red. Agastache is a sharply scented plant that is native to the United States. Does this Spark an idea?
Flowers
The flowers on Agastache cana appear in June and bloom until September. The flowers are tubular and their sweet nectar is very attractive to hummingbirds. The flowers are born on stems 24 to 36 inches tall with minimal foliage. Agastache cana is a repeat bloomer that will liven the garden all season long.
Habitat
Agastache cana is becoming popular as a xeriscape plant due to its tolerance for arid conditions. This Southwestern native is often found in cracks and rock faces in the pinyon-juniper zone. The plant is low maintenance and suited for borders and even containers. The colorful red blooms brighten up rockeries and desert gardens.
Uses
Agastache cana is used as a mosquito repellent by crushing the leaves and rubbing them on arms or exposed areas. This member of the mint family has a pungent oil that seems to minimize contact with flying insects. The herb is also edible and the dried petals of the flower and foliage can be used in tea.
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