Agave palmeri, or Palmer's century plant, is a striking ornamental species native to southern Arizona, southwestern New Mexico, and parts of Mexico, including Sonora and Chihuahua. It holds the distinction of being the largest Agave species growing in the United States, showcasing a magnificent basal rosette of fleshy, upright green leaves reaching up to 120 centimeters (4 feet) in length, each adorned with jagged edges and terminating in formidable spines. In its blooming phase from June to August, this remarkable plant presents pale yellow and green flowers that stretch 4–5 centimeters (1½–2 inches) long, perched on branches sprouting from the upper section of a towering flower spike, which can soar to an impressive height of 5 meters (16 feet). Adaptable and resilient, Agave palmeri thrives in dry, rocky terrains and can withstand temperatures as low as −10 °C, making it a versatile choice for cultivation in a variety of climates. Historically, it has been a vital resource for Native Americans, providing food, drink, fiber, soap, medicine, and materials for making lances.