Archive for the ‘Pruning’ Category

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 […]

Space-Saving Vertical Shrubs

Try these slim and sleek varieties in a small space such as on patios or the front porch, in courtyards, or as a single specimens in narrow gardens or containers. Set them at the back of beds for space-saving walls and backdrops. Pot them up for container magic on the porch. All six plants grow […]

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 […]

Anise (Illicium) Shrubs Coming To Mid-South Gardens

There is lots of interest in this shrub group. Anise shrubs (Illicium spp.) are fast growing,  evergreen shrubs (USDA zones 7 to 10). They exhibit a multi-stemmed, upright, compact growth habit. The green foliage of Florida anise (I. floridanum) is quite attractive and aromatic, smelling similar to anise spice when crushed. Their shiny, leathery leaves are […]

New ‘Chastity’ Ornamental Pear

Before you totally give up on ornamental pear trees (Pyrus calleryana) as invasive, a decision that I would never argue against, take a look at the new Chastity pear. NEW! NEW! NEW! on the market is Chastity pear, a triploid hybrid that is both very ornamental and highly infertile (USDA hardiness zones 5-9). Chastity™ Pear was specifically […]

Short Forms Of Cryptomerias

Japanese cedar, aka Sugi or Cryptomeria, (Cryptomeria japonica) is the national tree of Japan and also flourishes in  China (USDA hardiness zones 5 to 8).  It is one of the most variable conifers ranging from very dwarf rounded shrubs to large tree forms with golden or contorted leaves. It tolerates hot humid summers and prefers […]

Marcescence (Retaining Leaves Fall And Winter)

Through the fall and winter seasons, certain landscape and woodland trees retain their dead brown leaves on branches. Beech (Fagus spp.) and oak (Quercus spp.) are two common examples. Winter winds and precipitation will eventually force leaves to drop. Plant scientists term the retention of leaves as “marcescence”. There are many theories as to why […]

Inkberry Holly Substitute For Boxwood

Ilex glabra ‘Densa’ Inkberry holly (Ilex glabra), also called gallberry, is a slow-growing broadleaf evergreen shrub (USDA hardiness zones 4-9). It grows to 5-8 feet tall and can spread by root suckers and form colonies. Inkberry is native from the eastern coast of Canada south to Florida, west to Louisiana. The shrub is at home in sandy […]

Emerald Ash Borer Update

Emerald Ash borer (EAB) is confirmed to infest in many areas of the U.S. Emerald ash borer (Agrilus planipennis) is an exotic beetle that was discovered in southeastern Michigan near Detroit in 2002. EAB adult beetles nibble on ash foliage but cause little damage. The beetle larvae (immature stage) feed on the inner bark of […]

Ultra Dwarf Korean Fir

Korean fir (Abies koreana) is slow-growing compact fir species with a mature height between 15 to 30 feet tall and 6 to 15 feet wide. Its tiny needles are ½- to 1- inch long, green on top and two white stripes on the underside. It bears 2-3 inches long erect purple cones almost annually that […]