Summary: 1  Rubbing alcohol (isopropyl alcohol) is the worldâs most commonly used skin antiseptic. 2  Rubbing alcohol is made from coal gas and water. In the United States, manufacturers also use a sulfuric acid in the manufacturing process, and tiny amounts of sulfuric acid remain in the finished product.
Frost Tender or Heat Tender. The basic definition of a tender plant is a perennial plant that will not survive the winter outdoors because it is sensitive to frost, but some plants are also labeled as heat tender.ost plants classified as tender do not thrive in cold temperatures, while those classified as hardy can survive wintry conditions, although the lowest temperature these plants can handle varies from plant to plant.
Tender Perennial Salvia. (Generally comes back, but may not survive a cold winter). Salvia discolor An unusual deciduous Salvia that hails from Peru. The foliage is lightly scented, green on top, silvery gray beneath, with long stems (up to 2 ft. tall) that bear flowers for almost 12 inches.ender Perennial Salvia. (Generally comes back, but may not survive a cold winter). Salvia discolor An unusual deciduous Salvia that hails from Peru. The foliage is lightly scented, green on top, silvery gray beneath, with long stems (up to 2 ft. tall) that bear flowers for almost 12 inches.