Brazilian Blue Cactus - Blue Columnar Cactus 'Pilosocereus azureus'

The Brazilian Blue Cactus, also known as Pilosocereus azureus, is truly a magnificent hybrid of the Pilosocereus pachycladus. It goes by many names, like Pilosocereus atroflavispinus, Pilosocereus superbus, woolly blue spires, and blue columnar cactus. Being a hybrid of the actual blue torch plant, it is occasionally incorrectly referred to as a blue torch cactus.  This blue cactus is a very distinct columnar cactus, reaching dizzying heights of up to 32 feet.  It is one of the most spectacular columnar tree-like cereus, with a distinct trunk and dozens of erect glaucous (bluish-silver) branches.  Its graceful habit (shape) resembles a miniature blue Saguaro. This is one of the most vibrant blue columnar cacti. The blue-green color of the Pilosocereus azureus is due to a waxy coating on the stem that helps to protect it from the sun.  The stem of your blue cactus is adorned with ridges and covered in areoles along the edges. As this remarkable plant matures, those golden spines turn w