Mosquitoes are just one common pest that annoy homeowners.
Moles and mosquitoes are two common problems for homeowners all across the United States. One causes an unsightly landscape while the other causes an unsightly---not to mention, itchy---bite. In short, both are unwanted nuisances. Fortunately, there is a single plant that can be used to deter both of these common pests. Does this Spark an idea?
Identification: Castor Bean Plant
Ricinius communis, better known as the castor bean plant, comes in several varieties with foliage ranging from green to a reddish brown and flowers that are pink or red. The castor bean plant can be grown both indoors and out, but in some global regions is considered a weed. Under the right conditions, some varieties can reach up to 15 feet in height.
Poison in Castor Bean Plants
Castor bean plants are not only poisonous to people but also to insects and wild or domesticated animals. This plant contains multiple hemagglutinins, which are toxins that can result in serious illness or death. Ricin, one of the hemagglutinins found in the castor bean plant, is 6,000 times more poisonous than cyanide. In humans, this toxin can result in vomiting, diarrhea and abdominal pain within a few hours. Within a few days, dehydration, a decrease in urine production and a decrease in blood pressure will occur. For some, death will occur; those who live beyond five days can often recover.
Castor Bean Plant and Mosquitoes
Castor bean plants can be planted around the yard to help repel mosquitoes. However, when outside, great care should be taken to keep pets or young children from accidentally consuming the plant, as it can result in illness or death. Natural products containing castor oil can be used to help deter mosquitoes but may not kill off populations in the immediate area.
Castor Bean Plant and Moles
Like with mosquitoes, castor bean plants can be planted in the yard to help deter moles. When outdoors, a cut can be made into one of the stems and the stem can be split, resulting in the emulsion of a milky sap. The smell from this sap will deter but not kill the moles. Products containing castor oil can be effective for repelling moles from the yard, according to Thomas G. Barnes of the University of Kentucky. However, neither the plant nor the oil kills moles.
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