This section is from the book "The Gardener's Monthly And Horticulturist V25", by Thomas Meehan. See also: Four-Season Harvest: Organic Vegetables from Your Home Garden All Year Long.
In the May number "Reader," Berwyn, Pa., asks if hellebore is not dangerous to use on cabbages. In answer to that I say no; it gets only on the outer leaves and the next rain washes it off. I have used it for over eight years and have never found any harm from it. It is not necessary to use enough of it to hurt any one. It is sometimes used dry on currant bushes, and in larger quantities than on cabbage. Is there any record of any one ever having been poisoned from eating currants afterwards? I kill any caterpillar with it on roses, oranges, etc. I believe it is the only remedy for cotton worms. On roses I have used it when they were in flower, when necessary, without spoiling the flowers. Thirty gallons of water to one pound of hellebore is about right. Everybody may be assured that no danger to them or those who eat the cabbage would come from the use of hellebore.
[Probably hellebore, used in the liquid form advised by our correspondent, would injure no one, but poisons on vegetables should be used with caution - Ed. G. M.]
 
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