Musa accuminata ‘Dwarf Cavendish’
The Dwarf Cavendish is an evergreen suckering perennial cultivar that grows to about 2m tall. It originated in the Canary Islands and loves humid warm climate. They are popularly cultivated as patio and conservatory plants in warmer and humid climates. I have not seen one fruit as a bonsai, they are challenging plant to grow as a bonsai.
Styles and Sizes: As bonsai, they make lovely upright style bonsai, often in the clump style as it is continuously producing suckers.
Position: This fast-growing species grows best in a full sun position, where they grow lush green with large flamboyant leaves. They hate the cold and will turn in to a horrible mush if it allowed to freeze. Best kept at temperatures above 10°C (50°F) in a bright, heated conservatory. Musa needs high levels of humidity, or leaves will rip and damage.
Watering: A very thirsty plant its needs a copious amount of water. Water when the soil surface begins to dry. Do not allow the soil to dry out. Cool temperatures and over-watering can easily lead to root rot, so moderate watering during the winter months. Use a humidity tray to supplement micro-climate and moisture during summer periods.
Feeding: Fast-growing species it needs healthy amounts of feed. Apply a balanced organic feed. Advisable to use a granular slow-release organic fertiliser, while weekly apply a liquid feed. Granular version apply once granules have dissipated. Apply copious amounts between from spring and mid-summer. The slow-release version can then and just then be used the rest of the year around.
Re-potting: Musa like a humus rich well-draining soil and plants need to re-potted every couple of years. Older plants will die away but will be replaced by pups. Do not allow to may pups in a pot 4 to 6 in a mediums sized pot is fine, remove pups larger than 30 cm into their own pots. Prune as much as a third of the root ball but do not bare root the bonsai. Use a mix of loam, well-mulched bark and sharp sand in equal parts by volume. Alternatively, you can use Akadama and Pumice and well-mulched bark in equal parts too.
Pruning: No pruning is required, remove all dead leaves. Musa leaves damage easily, and immaculate leaves are rare, but you can control the damage by maintaining high levels of humidity and keeping plants well-watered.
Wiring: Now wiring required.