For many urban gardeners, landscape space is very limited. Here are several showy shrub choices along walkways and perennial border, and in deck and patio containers. Each year the list of dwarf shrubs continues to get longer. They are low maintenance, including very little annual pruning. Shrub Roses – like Drift™ and Flower Carpet™ roses- […]
Archive for the ‘Non-native’ Category
Four Tree Conifers Which Should Be Planted More
Nordmann fir (Abies nordmanniana), aka Caucasian fir, is native to the Caucasus Mountains (USDA hardiness zones 4-6). This dense pyramidal conifer grows to 50 feet tall and 20 feet wide and are typically branched to the ground. Their flat dark green shiny needles (up to 1 ¼ inches long) feature two white bands on the […]
Raked Leaves Improve Garden Soil
Don’t rake and send fallen leaves to urban landfills. In a recent poll, nearly one-third of weekly disposable materials are composed of yard waste, newspapers, and food waste. Many of your neighbors are sending bags of “nutrient gold” to landfills. Improve your gardening skills and save money. Adding fallen leaves back into the garden is […]
Empress Tree (Paulownia)
Empress tree (Paulownia tomentosa) is a fast-growing shade tree, in some years adding 4-5 feet of new growth, eventually to reach heights of 40-50 feet and width of 20-30 feet in less than 20 years. In the first 3-4 years, juvenile trees develop enormous size leaves. Once trees start producing flowers (adult stage), leaves are […]
2020 Evaluation of Russian Sages By CBG
Russian sage (Perovskia spp.) is a popular garden and landscape plant valued for its lavender-blue flowers and long bloom period. Leaves are silvery green leaves. Long cultivated as an herbaceous perennial, Russian sage is technically a subshrub, a plant with a woody base that produces herbaceous stems. Perovskia spp. has recently renamed Salvia yangii and is a member […]
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, […]
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 […]
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 […]
Mexican Bush Sage
Mexican bush sage (Salvia leucantha), aka velvet sage, is a perennial that lights up the late summer / fall garden (USDA hardiness zone 7b-10). Indigenous to Central America and Mexico, it can be grown as an annual that grows to about 3-4 feet tall. In the U.S., bush sage is only hardy from the lower […]