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.
You're even less likely to encounter the mole-repellent plant mentioned in the first sentence of this article. Tagetes minuta simply is not a plant you'll find for sale very often at garden centers, because it's not regarded as an ornamental.sed in the old days as a laxative, there are still many folks out there who can attest to the repellent qualities of castor oil. And it would seem that moles do not like it any better than humans do! A word of caution: castor bean, like mole plant, is a poisonous plant -- neither should be grown around small children.