Decaffeinated coffee has some caffeine, but the 2 to 4 mg in an 8-ounce cup is a smidgen compared with the caffeinated version. The lethal dose of caffeine is about 10 grams, which is equivalent to the amount of caffeine in 100 cups of coffee. Caffeine gets absorbed in the stomach and small intestine and then distributed throughout the body, including the brain.
It isn't a lethal trap or poison, but a remarkably simple formula containing â¦ castor oil! In fact, in a Michigan State University study, a castor oil-based repellent was effective in 26 out of 27 tests. Product Details. Apply to lawn areas where mole activity is present.
Castor Bean. Castor oil is a repellant to moles. The castor bean plant itself is poisonous if ingested and should not be grown around children. The plant can grow quite tall (up to 15 feet) if not maintained, but will sprout pretty red flowers to enhance the look of your garden.he Allium giganteum is also known as the ornamental onion because of it&#039;s strong onion-like smell, which helps to deter moles from your garden. While the smell is strong to moles, it might not be that bad to you. These plants can grow fairly tall, up to three-and-a-half feet.