北方榆树不光叶片大,进入夏季后叶片上还会形成很多虫包,很不雅观。至今还没有直接用北方榆树制作盆景的,但是嫁接上榔榆、小叶榆后就能制成造型优美的树桩盆景了。上世纪90年代,故宫博物院建福宫花园内清理地面时,挖出一个榆树桩。因为榆树在故宫属于杂树,每年都要从基部锯掉,第二年又萌发新芽长成新枝,因此树桩高不足20厘米,而且是生长在砖面上的,根从破碎的砖缝扎入土中,所以这株榆桩底部是平 Not only the northern elm leaves large, into the summer leaves will form a lot of insect package, it is unsightly. So far there is no direct production of bonsai with northern elm trees, but grafted elm, elm leaves can be made into a beautiful stump bonsai tree. In the 90s of last century, an elm stump was excavated when the ground was cleaned up at the Forbidden City Garden of the National Palace Museum. Because the elms are miscellaneous trees in the Forbidden City every year saw off from the base, the second year germination of new shoots grow into new branches, so the stump height less than 20 cm, and is grown on the brick surface, the root from the broken brick into the soil In, so this strain Yushi the bottom is flat