The King Palm Tree, scientific name Archontophoenix cunninghamiana, is one of the most popular palms in tropical and subtropical climates. This sun-loving palm is mostly used outdoors, but it also makes an excellent house plant if given the right environment. The King Palm is also known as Alexandra Palm and Alexander Palm.
Archontophoenix cunninghamiana can grow up to 40 ft tall and 10-15 ft wide. It has a single smooth grey brownish trunk ringed by the scars from the fallen frond. Trunk is a little wider at the base, about 1ft in diameter with beautiful crownshaft at the top. Crownshaft is generally green, but occasionally can be brownish.
The King Palm has about 15-20 arching evergreen fronds that emerge from the crownshaft forming a graceful crown. The leaves are bright green above and below, although there can also be brown scales on the paler green undersides. They have about 100 to 150 leaflets that are 6-12 inches long.
In mindsummer, the King Palm produces pink flowers that are held by 2-3 ft long branched inflorescence, growing from below the crownshaft. Male and female flowers are on the same inflorescence. Flower are followed by attractive berry-like green fruits that turn red when ripe. Fruits are round, about 1/2 inches in diameter and hang in clusters.
The King palm looks very nice when planted in a grouping of 2 or 3. While King palm is young, it can be kept inside in the container to avoid cold exposure. But keep in mind, that King palm is not really an indoor plant.
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