Archive for the ‘Aggressive grower’ Category

Swamp Milkweed Is Monarch Butterfly’s Favorite

Swamp milkweed (Asclepias incarnata) is an erect, clump-forming, U.S. native plant indigenous to swamps, bottomlands and wet meadows (USDA hardiness zones 3 to 6). Obviously, it prefers moist soils but grows equally well in average, well-drained garden soils. Full sun is best, but copes with some light shade. As its common name indicates, it makes […]

Exclamation™ London Plane Tree Is A Game-Changer

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 […]

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 […]

‘Thailand Giant’ Elephant Ear Fun Novelty

‘Thailand Giant’ elephant ear (Colocasia gigantea) is rated as an annual (USDA hardiness zone 8-10), where the growing season may last 300 days and longer. Thailand Giant develops into a massive 9- foot tall plant with attractive grey-green foliage species. In the Southern Appalachian and Middle Atlantic regions they may reach 5 – 6 feet […]

‘Summer Cascade’ Is A Very Different Weeping River Birch

Summer Cascade is a new weeping river birch (Betula nigra Summer Cascade™ (PPAF). Its pendulous branching habit represents a unique change for river birch. Its strong weeping nature creates a divine focal point planted next to a pond, deck, or patio. Left unstaked, Summer Cascade’s strong pendulous habit naturally grows into a shrub mound or […]

Mexican Feather Grass

The ultra-fine soft foliage of Mexican feather grass (Nassella tenuissima) will grab your interest. Just a slight breeze will create wave movement in your garden (USDA hardiness zones 7 to 10). It grows 1½ feet high (2 feet tall in flower) and 1½ to 2 feet in width. Mexican Feather Grass is a cool season […]

Renewal Pruning Is An Easy Technique To Learn

Renewal pruning is the practice of severely cutting back selected shrubs and trees. The task is simple. There are no books to read. Select a day from mid-February to early April (USDA hardiness zones 5-7). Cutback the entire shrub(s), leaving 3-5 inch tall cut stems or stubble. The cut stems will bud out in the […]

Staghorn Sumac’s Reliable Fall-Winter Assets

Staghorn sumac (Rhus typhina) is known by several names, including velvet sumac and hairy sumac. This large shrub or small tree is native to northeastern U.S. and eastern Canada (USDA hardiness zones 3-8). Staghorn sumac often arrives uninvited into a landscape and its aggressive suckering root system makes it difficult to eradicate. For landscape use […]

Burning Bush Turns Fire Engine Red In The Fall

Be cautioned from the start that planting dwarf burning bush (Euonymus alata var. compactus) in some states in the U.S. is prohibited. This deciduous shrub is known for its awesome fire engine red fall foliage color (USDA hardiness zones 4 to 8). In shady areas fall leaf color tends to be more pinkish. Fall leaf […]

Better Blackberry Varieties Available

Growing Blackberries Blackberries (Rubus spp.) are among the easiest fruit crops to grow in the Southern Appalachian region (USDA hardiness zones 5 and 7), but are not as hardy as raspberries. A blackberry planting has a productive life between 8-10 years. A sturdy trellis system, composed of strong posts and wire, will make harvest chores […]