Globe willows ( Salix matsudana ' Navajo ' ) are tight get tree with ball - shaped canopy . They are aboriginal to easterly Asia and are also called Hankow willow . Globe willow are first-class shade trees for lawns and parks , as well as near streams and lakes . They are some of the first trees to flick out in early natural spring .
Description
earth willows grow 20 - 70 feet grandiloquent , and 35 - 70 feet wide . The bright green slender leaves of fountain ripe to dark green in the summertime and turn yellowed in the fall . The prime and fruit are invisible .
Culture
Globe willow grow in Zones 4 to 9 in moist areas in the sun or partial shade . They need ample water and should be watered every 1 ½ to 2 ½ weeks . Earth willows may suffer dusty damage in extreme temperature . Prune damaged , diseased or stagnant limb and offset in the summertime or fall .
Diseases and Pests
Only globe willows are affected by frothy flux . There is no cure and infected Sir Herbert Beerbohm Tree should be removed and destroyed to foreclose the spread of the disease . earth willow are also susceptible to bacterial wetwood disease and Cytospora canker . Numerous pestis attack earth Willows , include aphids , beetles , stone drill , Caterpillar and wanderer mites .
Caution
Globe willow have all-inclusive , fast-growing radical system of rules . Plan them at least 200 foot away from sewerage and water lines , septic tanks and drain fields . The trees also have infirm wood and falling branches can stimulate a risk .
Fun Fact
Salix matsudana was list for the Japanese plant scientist , Sadahisa Matsudo , who write one of the first guides to the plants of China .
Globe Willow Trees
Globe willow tree tree spring up 3 feet per class , reaching a height and canopy spread up to 70 feet , with a lifespan of 40 to 150 years . Some globe willow tree trees have been know to arrive at a luggage compartment circuit of 150 inches . Leaves are light green in the spring , darken to a medium green in the summertime and have lead of yellow in the gloam . The spring flowers have a bottle - coppice shape , with midget brownish capsule fruits that appear in the summer . fledged trees ask lacrimation once every 10 to 17 days . Treatment typically imply an insect powder or fungicide . The only handling is to remove all damaged , decay tissue down to the wood . However , the extended rootage system of globe willows can foul plumbery and sewage lines if they are establish too close to buildings . These tree diagram neglect leaf and branches when the Sir Herbert Beerbohm Tree is goodly , which can be mussy , and during periods of environmental emphasis or high winds they may shed an even large number of limb .
