Mekong Giant Banana Plant - Musa Itinerans - Very Cold Hardy The Musa 'Mekong Giant' (Musa Itinerans Var. xishuangbannaensis), is a large, cold hardy banana that is a native that grows from the Mekong Delta to the Tibetan Plateau. Growing to 15'-20' tall in colder climates, this plant can reach 40', and a 20" diameter, in warmer climates. The plant has large olive green leaves on top of a large, thick trunk with large Red and yellow flowers. The fruit on this plant is purple, accenting the olive-green foliage and red-to-purple streaked trunk. This Banana Plant can bring a tropical look to more cooler climate gardens, as it can over winter in freezing temperatures and come back again. It can be used in borders, beds or containers Disclaimer: Plants sizes VARY from batch to batch and we don’t always change photos. If you want to know current size please email us.