Brew coffee that you grew with this brand new Sprout 'n Grow Greenhouse! On average each mature coffee plant will produce one pound of coffee beans. Your plant will exhibit shiny dark green showy leaves with fragrant white flowers. Coffee plants are typically 6 feet tall but can grow to be 15 feet or taller. They will sprout in 3-4 weeks! Safe for ages 4 and up, retails for $9.99!