Cacti flowering refers to the process of cacti plants producing flowers. SAGUAROS (8 letters) are a type of cactus native to the Sonoran Desert in Arizona and Mexico, and are known for their tall, columnar shape and white flowers. Peyotes (7 letters) are small, spineless cacti found in the southwestern United States and northern Mexico, and are known for their small, round shape and pink or white flowers. Yuccas (6 letters) are a type of plant related to cacti, found in the southwestern United States and northern Mexico, and are known for their tall, spiky leaves and white flowers. SPINY (5 letters) is an adjective used to describe cacti and other plants with sharp spines or thorns.