Exclamation! London Plane Tree (Platanus x acerifolia Exclamation!™) is probably one the most improved cultivars to date (USDA hardiness zones 4-8). Exclamation! was introduced by Dr. George Ware at the Morton Arboretum and released through the Chicagoland Grows® program. Exclamation! develops a strong central leader, a uniform upright pyramidal shape (when young), a vigorous growth […]
Archive for the ‘Winter bark’ Category
Exclamation™ London Plane Tree Is A Game-Changer
Disease Resistant Crape Myrtle Cultivars
‘Apalachee’ crape myrtle trunk Hybrid crape myrtles (Lagerstroemia indica x L. faurei) are popular landscape trees in the southeast and along the coastal areas of the U. S. Over the past decade plant pathologists in Louisiana (Louisiana State University), Alabama (Auburn University), South Carolina (Clemson University), and Georgia (University of Georgia) have tested the disease […]
Designing With Crape Myrtle
Undeniably, crape myrtles (Lagerstroemia indica x L. faurei ) thrive in the southern U.S. (USDA hardiness zones 6-9). You see them planted on practically every street. Their showy summer flowers are spectacular. Many cultivars exhibit colorful autumn foliage, and their smooth patterned trunks and architecture grace the winter landscape. “The right crape myrtle for the […]
Caveats Before Planting Planetrees (Sycamores)
American sycamore, aka planetree, (Platanus occidentalis) is a native tree planted over a large area of the United States (USDA hardiness zones 4-9). Its enormous size, often 70-90 feet in height, limits it to planting mostly on large landscapes such as parks, golf courses, and industrial parks. Northern U.S. cities have planted it extensively along […]
Japanese Pagoda Tree Becoming Popular In U.S. Cities
U.S. east coast cities are finally planting Japanese Pagodatree (Styphnolobium japonicum). This medium-sized tree grows to 50 feet high, but 75 feet is not uncommon in the southeastern U.S. Pagodatree is native to eastern Asia (USDA hardiness zones 4 –8) where it is more known as Scholar tree. In the early 20th century it was […]
Lovely Tall Stewartia Deserves Your Attention
Not enough gardeners know about stewartias (Stewartia spp.). Six species are found under cultivation, 2 native to the U.S. and 4 of Asian origin. One of the rarest seen in U.S. gardens is tall stewartia (S. monadelpha) (USDA hardiness zones 5-8). Tall stewartia is a more site forgiving than Japanese stewartia (S. pseudocamellia), the most […]
Mexican Sycamore Thrives In Warm Wet Locales
Mexican Sycamore (Platanus mexicana) is a fast growing deciduous tree hardy in Northeast Mexico (USDA hardiness zones 7 -10) where it inhabits soils that are semi-arid and subject to periodic flooding. Summer leaves are medium-sized, only 8-inches wide. When leaves fall away in autumn its beautiful chalky white bark is a winter asset. The bark […]
Japanese Tree Lilac Is Excellent Late Flowering Form
Japanese tree lilac (Syringa reticulata) is a late flowering lilac, often 2-3 weeks later than the popular common and hybrid shrub lilacs (USDA hardiness zone 3-7). Tree lilac is tall growing, often 20-25 feet tall with a 15-25 foot spread. It forms a nice small multi-trunked street tree. Tree lilac is the last of the […]
‘Summer Gold’ Kousa Dogwood
Get ready to alter your mindset with ‘Summer Gold’ Chinese (kousa) dogwood (Cornus kousa) (USDA hardiness zones 5-8). Its diminutive size, 8 to 10 feet high and 4 to 5 feet wide, makes it a great fit for a small city garden. Branching is distinctly upright, which partially accounts for its narrow space needs. ‘Summer […]
Yoshino Flowering Cherry Is Southern Favorite
In The Southeast U.S. most ornamental flowering cherry trees (Prunus spp.) are challenged by summer heat and humidity. ‘Yoshino Cherry’ (Prunus x yedoensis) continues to be the top performer in the group (USDA hardiness zones 5-8). In 1912, the Japanese government gifted the United States 3000 Yoshino flowering cherries. In the years that followed, Yoshino […]