Diospyros virginiana In respect to the power of making heartwood, the persimmon rarely develops any heartwood until it is nearly one hundred years old. This heartwood is extremely close-grained and almost black, resembling ebony (of which it is a true variety). It is a common misconception persimmon fruit needs frost to ripen and soften, called bletting. Some, such as the early-ripening varieties "pieper" and "NC21"(also known as "supersweet"), easily lose astringency and become completely free of it when slightly soft at the touch—these are then very sweet, even in the British climate. On the other hand, some varieties (like the very large
Edible Schoolyard is meant to provide access to and knowledge of healthy food choices to children who have limited access to healthy food and nutrition education. The garden was established in 2008 and accompanies a new kitchen where club members participate in cooking classes and prepare healthy snacks. The Edible Schoolyard at the Greensboro Children's Museum opened in May 2010. The museum is aimed at families and young children, and the Edible Schoolyard encompasses an organic garden, a chicken coop, recycling and composting stations, fruit trees, a greenhouse, a pond, and indoor and outdoor classrooms. The Edible Schoolyard at the museum hosts