Seeds from this Phoenix dactylifera or true date palm cultivated for its edible sweet fruit. It is a large-sized plant, 40 to 100 feet tall, often clumped with several plants from a single root system, but often growing singly as well. The full span of the crown ranges from 20 to 30 feet. Hardiness USDA Zones 9 to 11. Zone 8 palm enthusiasts grow them in sheltered location but occasional freeze damage to foliage can be expected. Also a popular ornamental, the date palm graces landscapes anywhere freezing temperatures are nonexistent or of brief duration. Although a drought-resistant desert plant, the date palm has deep roots that typically seek out subterranean water sources. Provide regular irrigation for the best look and faster growth.