Xanthosoma atroverins, also known as Blue giant, can reach a huge size in the right conditions. They grow fast and large if given a hot humid area with lots of water. The plant has a dark blue coloring to the foliage while the petioles are a light blue color with a white powdery substance on them. Mature plants can grow from 6 to 10 feet tall. Flowers are white with a pink color inside the spath.
Plants sold as large dormant bulbs/tubes. You will receive bulbs similar in size as the first and second photo.
Foliage: Large blue green foliage with blue petioles
Height: 6 to 8 feet tall or more in tropical areas
Situation: Full to part sun
Zone: 8 and up