When to Separate Male and Female Weed Plants CTU Drought Tolerant Perennial Combo for Full Sun Garcia Metal Planter Box Sage Green Wonder Room You'd never put table salt on plants, which would kill them. Rock salt from icy roads damages plants, too, and so does the salty spray that comes off the ocean in coastal Gardify Fdige Palmlilie 2'' Echeveria Desert Rose, Rare Live Succulent Plants