Myrtillocactus Geometrizans - Blue Candle or Bilberry Cactus
Myrtillocactus Geometrizans commonly known as the Blue Candle Cactus or the Bilberry Cactus is native to central and northern Mexico and is well known for producing blue berries which are a popular snack in Mexico.
A fast growing cactus, it can reach up to 4.5m tall in the wild, with multiple branching columns that develop into a tree-like structure. Stems can grow to 10cm thick, with the main stem’s crown reaching 5m in width. Spines grow roughly 2.5cm apart from one another which reach up to 12mm long.
Flowers are a greenish white, roughly 4cm long, and only bloom once the cactus has reached approximately 60cm tall. The fruits are a dark red, up to 20mm long, edible, and very sweet.
Very frost tender, they should not be kept below 10°C even at night. Prefers a well-draining soil and regular watering during summer, with extreme water restriction during winter.