In positive psychology, zest is one of humankind¡¯s 24 strengths¡ªthe courage that brings energy, excitement and anticipation to life. Our plucky, spirited ¡®Zesty¡¯ zinnia produces a rising tide of glowing color. Double-blossomed flowers eager beavers fill out a border fast with vigorous bushes that are easy to grow, happy in all types of weather, including intense heat.