Eggshells ground finely may be used not only as a fertiliser but also as a slug deterrent. Bury banana skins and crushed eggshells near the roots of rose trees to supply them with extra vitamins. 1 tablespoon full of Epsom salts dissolved in 1 pint of lukewarm water will provide a good tonic for all plants but especially roses.

well you learn something new everyday i didnt know that