Some fast-growing trees like Royal Empress tree (Paulownia tomentosum) smoketree (Cotinus coggygria), and basswood linden (Tilia americana). There are lots more arboreal candidates. Keep the young tree saplings vegetative by practicing “Renewal Pruning”. To create an accent tree, single or multi-stemmed, wait until the plant has been in the ground for a few years, then begin […]
Archive for the ‘Soil drainage’ Category
Hawthorn Trees In The Landscape
The world of hawthorns (Crataegus spp.) includes several outstanding landscape trees that exhibit four-season ornamental interest: 1. spring flowering, 2. disease-free summer foliage, 3. variable fall leaf color, and 4. colorful fruits for wildlife in the fall and winter months. World-wide, hawthorns are native to temperate regions of North America, Europe, Asia, and North Africa, […]
Perennials With Great Autumn Leaf Color
In addition to foliage changes seen in landscape trees and shrubs, a select number of perennials contribute to the autumnal leaf colors. Here is a select list of popular perennials endeared for their autumnal foliage hues. Arkansas bluestar (Amsonia hubrichtii) – stunning golden foliage beginning in late September. Bloody cranesbill (Geranium sanguineum) – geranium ground […]
Tips On Overwintering Outdoor Containers
Containers filled with shrubs and perennials, doesn’t necessarily ensure their winter survival. Without adequate cold protection plants may succumb to cold injury—turning them into dead annuals. To over-winter perennials in containers, you need to know their root and shoot temperature hardiness. Often, plant hardiness ratings is listed on the label. Roots and shoots of several […]
Forms of Western Arborvitae
Here is a partial listing of cultivars of Western arborvitae (Thuja plicata), as found in the U.S. nursery industry. Several are good choices for dwarf conifer collectors, in rock gardens, and in large containers. Winter hardiness of some cultivars is variable. Note: some are dwarf forms of ‘Green Giant’ arborvitae (Thuja standishii x plicata) which […]
Coral honeysuckle
Coral honeysuckle (Lonicera sempervirens), aka trumpet honeysuckle, is a vigorous twining flowering vine that is primarily native to the southeastern U.S. (USDA hardiness zones 4 -8). Cultivars are available in shades of red, orange. and yellow. The colorful flowers appear in spring and summer, and colorful berries decorate in late summer and autumn. Invite hummingbirds […]
Fuzzy Bolivian Sage
The large and bright fuzzy blossoms of Bolivian Spearhead Sage (Salvia oxyphora), aka Fuzzy Bolivian Sage, should catch your eye in late summer and early autumn. Equally attractive is the plant’s lush tropical-like glossy green foliage. This sage inhabits the edges of moist forests in the foothills of the Andes. It is grown as an annual in full sun in Northern […]
‘Goshiki’ Holly Tea Olive
Holly Tea Osmanthus, also called holly tea olive and false-holly (Osmanthus heterophyllus) is a large (15 feet tall), dense, upright, oval-rounded evergreen shrub. The species blooms in late fall and the tiny inconspicuous white flowers are sweetly fragrant. Small numbers of fruits ripen the following year, and often go unnoticed. Osmanthus heterophyllus ‘Goshiki’ is a […]
Clump Type Ornamental Grasses Excel In Autumn
City gardeners want low maintenance. These ornamental grasses are what you’re looking for. They achieve their intended growth heights in summer, and produce flowers (inflorescence). Foliage of some change color as temps start cooling in late summer. Five of six listed grass species are winter hardy and overwinter outside in large containers or tubs in most regions […]