![]() Sweetgum ‘Slender Silhouette’ tolerates a wide variety of soil types including clay soils. Fossil records have been discovered in Colorado, Washington state and throughout Europe. Sweetgum is an ancient family of trees and has lived in the northern hemisphere for over 50 million years. Inconspicuous white flowers appear in the spring. However, this particular variety has less of that and the ones that do fall do not cover a wide distance due to the narrow growing habit. The tree is also notorious for the small ball-shaped spiky fruits that it drops in the fall. One of the tightest and narrowest trees available, it is easier to grow than most. The Sweetgum tree is known for green star-shaped leaves that turn to vibrant hues of orange, yellow and red in autumn. Slender Silhouette Sweetgum Liquidambar styraciflua ‘Slender Silhouette’ Zone: 5 Height: 60’ Spread: 8’ Shape: Tightly columnar Foliage: Dark green Fall Color: Orange to burgundy This fastigiate tree grows quickly to form a tall, striking-ly narrow column. Sweetgum is a deciduous tree that may grow 80 to 120 feet tall with a diameter of 4 feet or more. Well known and appreciated for its bright, glossy-green foliage which turns extravagant colors. Another agreeable feature is that it is nearly fruitless. With a very slim silhouette, this tree reaches 40' tall and just 10' wide, (it is also known as 'Fastigiata'). An alternate name, Redgum, may come from the reddish-brown heartwood found in logs greater than 16 inches in diameter. The very columnar and interesting architectural form of this lovely slender sweetgum is perfect as an accent or for a small space. ![]() The tree makes a striking vertical accent. Its common name, Sweetgum, refers to the aromatic gum that oozes from wounds to the tree. This characteristic makes the tree a good candidate for smaller gardens or to accompany tall buildings. They may also work well as a living fence along property lines in gardens, parks and golf courses. Towering to heights of 50 feet or more, its width remains around 4-5 feet. The Slender Silhouette Sweetgum is like no other form and will be perfect for those narrow locations near tall buildings, in building corners and between conflicting uses. Although there is no known treatment, experts believe that raising the soil grade around the tree fosters this disease.There are not many tall trees that maintain a slender profile but Sweetgum ‘Slender Silhouette’ ( Liquidambar styraciflua) fits the bill nicely. When infected, the tree will look like a can of oil has been poured on its bark at the soil line. ProblemsThese trees are rarely attacked by pests, but bleeding necrosis, a fungal disease, can occasionally be a problem. It also tolerates a wide range of soil types, including clay. This sweet gum’s foliage is deep green in summer and then turns yellow, orange, red, or burgundy in fall. Unlike other sweet gums, which drop scores of macelike fruit all over the place, ‘Slender Silhouette’ only produces minimal fruit, which drop in a small area due to the tree’s narrow structure. ![]() Liquidambar styraciflua 'Slender Silhouette’ is best planted in poor soils, this will slow its growth rate allowing the plant to keep it upright, narrow habit. It has beautiful glossy green leaves and is wet site tolerant. Its great architectural form makes it a focal point like no other. Extremely narrow form, 'Slender Silhouette' American Sweetgum was introduced by that superb plantsman Don Shadow. Looking for fast, easy-growing shade that doesnt require a ton of space Look no further than the Slender Silhouette Sweetgum Tree. ![]() This is a compact, columnar tree with an impressive mature height and a width of only 3 to 6 feet, so it takes up little precious space. That was until I met ‘Slender Silhouette’ sweet gum and fell head over heels in love because it could fit almost anywhere. Still, I visited gardens across the country and saw new trees I liked, only to tell myself, over and over again, that I simply did not have the space for another one. For me, this realization happened five years ago, when I had reached the limit of how many trees I could plant in my relatively small yard. There is an age-old problem that almost all gardeners eventually have to face: too many plants for too little space.
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