Sketching at Bay View Nursery

Sketching while standing in the greenhouse cactus garden.

I found a tropical blue cactus at Bayview Farm and Garden on Whidbey Island today. Had to look it up to find out the actual name, though. 

Pilosocereus azureus, native to Brazil in semi-tropical areas, forms arborescent specimens to 20' in height. Beautiful blue stems with golden spines along ribs. White nocturnal flowers that are pollinated by bats and sphinx moths. Beautiful specimen for landscape or patio in temperate areas. Requires porous cactus soil with adequate drainage. Bright light to full sun with ample airflow. Water thoroughly when soil is dry to the touch. Protect from frost.