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Jesse Saylor
(Scots Pine, Watereri Scots Pine)
Discovered in England about 1865, this large, slow-growing, rounded shrub is a cultivar of Scots pine, a medium to large evergreen tree from the upper latitudes of the Old World.
Like all Scots pines, 'Watereri' has stiff, slightly twisted blue-green needles that occur in bundles of two. The needles are crowded toward the tips of the spreading to ascending branches. The dense, shaggy foliage is highly attractive against the scaly cinnamon-colored bark. In spring, tiny male cones and larger female...
Carol Cloud Bailey
(Common Plantain)
Blemishing lawns worldwide with its leaf rosettes and its rat-tail inflorescences, this hardy perennial is native to Eurasia but naturalized globally.
The dull green, paddle-shaped leaves have a broad oval blade and a long flattened stalk ("petiole"). Several deep parallel veins run from the base to the tip of the leaf blade. In summer, numerous homely spikes of greenish, wind-pollinated flowers are borne on shin-high stems. This semi-evergreen perennial spreads via self-sowing, which is often...
Jesse Saylor
(Asian Planetree, Asian Sycamore)
Tall, spreading branches covered in flaking gray and tan bark, the Asian planetree has large, teethed, maple-like leaves. A native of southeastern Europe and southern Asia, it is a tall, stately deciduous tree that historically gained favor as a shade tree in the Middle East.
The leaves emerge in spring a bright, pale green, unfurling into a large, semi-glossy blades with narrowed, many-teethed lobes that number between three and five. The flower clusters appear at the time the leaves first...
(Asian Sycamore)
Tall, spreading branches covered in flaking gray and tan bark, the Asian planetree variety 'Cuneata' has large, teethed, maple-like leaves with a tapering base. A native of southeastern Europe, it is a tall, stately deciduous tree that historically gained favor as a shade tree in the Middle East.
The leaves emerge in spring a bright, pale green, unfurling into a large, semi-glossy blades with narrowed, many-teethed lobes that number between three and five. This cultivar has a tapered or wedge-shaped...
(Asian Sycamore)
Tall and upright, with spreading branches covered in flaking gray and tan bark, and large, maple-like leaves, ‘Columbia’ is a selection of London planetree recognized as an improved form for urban street tree use. This hybrid between the American sycamore (Platanus occidentalis) and Asian planetree (P. orientalis)
combines the qualities of the two species into a tough, adaptable, upright deciduous tree with upper branches that spread widely to cast broad shade. It is resistant...
Audrey, Eve and George DeLange
(Arizona Sycamore)
The Arizona sycamore is a beautiful deciduous shade tree with an open crown native to the river canyons of the Southwestern United States, inhabiting a small range of riparian habitat in the dry wilderness of Arizona. This tree features an irregular, twisted form, often with large low branches or multiple trunks. The bark is platy with patches of white and brownish gray creating a lovely mottled effect. Its leaves are the size of a human palm, deeply lobed with pointed tips. They are light green...
Gerald L. Klingaman
(London Planetree, Mapleleaf Sycamore)
Tall and upright with spreading branches covered in flaking gray and tan bark, London planetree is best known as a tough urban street tree. It is a hybrid between American sycamore (Platanus occidentalis) and Asian planetree (P. orientalis), and was hybridized in England in the middle of the 17th century. Hybrid vigor makes this hardy deciduous a tough adaptable choice for urban conditions.
The large, maple-like leaves of London plane are bright pale green when they first emerge...
(London Planetree)
The vigorous London plane, 'Columbia', was bred for resistance to anthracnose, a fungal disease that causes severe leaf and twig drop during the growing season. The fast-growing tree was introduced in 1984 by The National Arboretum. It is also noted for having lovely orange-grey bark and an upright habit.
Tall and imposing with spreading branches covered in flaking gray and tan bark, London planetree is best known as a tough urban street tree. It is a hybrid between American sycamore (Platanus...
Gerald L. Klingaman
(Balloon Flower)
Named for its curious and ornamental inflated flower buds, balloon flower is an upright herbaceous perennial native to eastern Asia. The blue, violet, white, or purple bell-shaped flowers (and their bloated buds) appear through summer atop stems clad with paired or whorled blue-green leaves. The stems bleed a milky sap when cut. The rootstock is thick and fleshy. Many cultivars – chosen for their color or form – are available, including double-flowered and dwarf selections.
For best growth, plant...