Archive for the ‘Trees & Shrubs’ Category

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 […]

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, […]

Black Gum (Tupelo) Tree

Black gum (Nyssa sylvatica) or tupelo tree is a native to Eastern North America (USDA hardiness zones 3-9). It is native from the New England states southward into Florida and west to Eastern Texas.  Seedlings of this wonderful woodland and landscape tree start off slowly, but will mature to heights of 50 to 60 feet […]

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 […]

25 Trees For Autumn Leaf Color

Fall leaf colors of woodland and landscape trees vary from one year to the next. Foliage colors are determined by monthly weather conditions and several environmental factors. Rainfall amounts and daily temperature levels during August and September are key determining factors. Best autumn leaf colors develop as daytime hours are shortening, daytime hours are sunny and […]

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 […]

Fall Garden Chores

Fall is the perfect time to take on a few of the many spring garden chores. Here is a list of ten of the most important tasks:  Weeding– get rid of newly emerging winter annual weeds now before they flower and set seeds. Perennial weeds such as dandelions, plantains, and thistles can be sprayed and eliminated in the […]