Washingtonia Robusta, height with pot 115-130 cm in 35 literbucket. Its common name is the California fan palm evergreen. During the winter assumes a green color, the adult specimens are large in size and reach 15-20 m in height. These plants take on growing the size of a tree. The palmate leaves are bright green foliage forms a compact. They are divided into a large number of segments with margins covered with white threads, reddish petiole, are recorded only for one third of their length. The flowers are brought from panicle inflorescence, small yellow. The fruits are drupes black, spherical, located on the axis of the inflorescence. One of the distinguishing features of Washington is that the fronts are still dried on the vine long before they fall, the foliage on the lower part shows a number of completely dried leaves, straw-colored. Temperature: -10 ° to resist. Exposure: can withstand a temperature a few degrees below zero. Plant which needs at least a few hours of sunlight. These trees need a dissolved soil with excellent drainage. Water: only if the climate is particularly dry, always leaving that between waterings the soil dry for at least a couple of days, and then wetting the substrate to act deeply every 4-5 weeks with 1-2 buckets of water. Fertilizer: every 2-3 years, towards the end of winter or early autumn. One works by mixing the ground at the foot of the barrel, a good amount of organic fertilizer such as manure or earthworm humus, thus providing the right nutrients, and also improve the mixture of the soil.