Archive for the ‘Drought tolerant’ Category

‘Alleghany’ Viburnum – A Versatile Spring Flowering Shrub

Alleghany viburnum (Viburnum x rhytidophylloides ‘Alleghany’) is a hybrid cross between V. rhytidophyllum and V. lantana ‘Mohican’ (USDA hardiness zones 5-8). ‘Alleghany’ viburnum is rated a four season landscape shrub, with multiple year-round appeal including a durable semi-evergreen leathery foliage, dependable spring flowering, and showy fruits in fall and winter. This lovely spring flowering shrub grows 10-12 feet tall and […]

Dependable Conifer Trees For Southeast U.S. Landscapes

Arizona cypress (Cupressus arizonica var. glabra) is a southwestern U.S. conifer tree that is often underplanted. Soil drainage is an absolute must! Growth rate is moderate (15 feet high after 10 years) and eventually will reach 30-50 feet at maturity. (zones 7-9). I have seen multi-year specimens thriving in zone 6b. Deodar cedar (Cedrus deodara) is […]

Some Conifers Don’t Like Summer Heat And Clay Soils

Most conifers are best grown in deep, moist, well-drained, acidic loamy soils and in full sun. In the deep South evergreen conifers are challenged by warm soils, poor soil drainage, and humidity. Humidity increases their susceptibility to diseases. Once established they are drought tolerant, but most fail in poorly drained wet soils. Many pine species […]

Care Of Rhododendrons

In the U.S., two species of rhododendrons, Catawa (Rhododendron catawbiensis) and Rosebay (R. maximum), are plentiful in the Appalachian Mountain region. Their roots feed in part on the rich humus material in the rocky mountain soils. Over time fallen leaves, twigs, and flower parts decay into additional humus. Humus improves soil aeration and drainage, yet […]

February Blooming Hybrid Witchhazels

Witchhazels (Hamamelis spp.) are somewhat coarse, loosely-branched, medium to large, deciduous shrubs that typically grow 12-20 feet tall. (USDA hardiness zones 5-8). They are particularly noted for their strapped shape, often fragrant, mid- to late winter flowers which appear before the spring leaves emerge. Five cultivars were selected by Mr. Tim Brotzman, an Ohio nurseryman […]

Arizona Cypress Standouts

Arizona cypress (Cupressus arizonica var. glabra) is a needle evergreen conifer native to the Southeast U.S. and is noted for its rapid growth rate. It is also grown as a Christmas tree and is rarely troubled by disease and insect problems. Depending on what part of the U.S. that you garden in, damage from bark […]

Downtown Street Trees With A Narrow Vertical Form

On the subject of land, Mark Twain wrote: “they’re not making any more of it”. This is particularly true in downtown urban areas where land to grow trees is usually very limited. Here are five tall trees that possess a striking vertical accent. Their upright branch habit does not take up much horizontal space. Trees […]

Uniquely Different Red Dragon™ Contorted Filbert

Uniquely Different ‘Red Dragon’ Contorted Filbert European filbert or hazelnut (Corylus avellana) is native to Europe, western Asia and northern Africa where it is often found growing in thickets and hedgerows. Red Dragon™ filbert is an outstanding red leaf selection of contorted filbert (C. avellana Red Dragon™). This unique landscape shrub grows 6 – 8 […]

Trees That Age Gracefully

Trees transition from youth (seedling), middle age and old age (maturity) before requiring a chain saw and replacing. Some age gracefully, actually appreciating in $$ value. Many ginkgo, hickory, beeches, sugar maples, and Southern magnolias live 100 years plus. Oaks such as such as white (Q. alba) and live oak (Q. virginiana) mature in majesty  over several hundred years.   It’s […]

Lots Of Choices In European Hornbeams

European hornbeam (Carpinus betulus),, aka ironwood and musclewood, is an underused tree in the U.S. It makes an excellent urban street and park tree. It develops a full, dense canopy and has very few maintenance requirements (USDA hardiness 4-7).  European hornbeams are planted across Europe for their formal upright form as street trees, privacy screens, […]