Long mulberry (also called Tibetan mulberry, Himalayan mulberry - scientific name is Morus macroura), as its name implies, produces large, long mulberries! These trees are fast-growing and have a weeping habit when they're full grown. The berries a super sweet and may be pink, white, or red when ripe. Widely-adapted, with good heat and cold tolerance. USDA zones 5-9.