Archive for the ‘Trees & Shrubs’ Category

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 […]

Zone 6 Hardy Camellias – Plant Now!

More and more people gardening in zones 6 and 7 have discovered that they can successfully grow camellias. Once considered an exclusively Southern plant, many camellia varieties are very cold hardy where winter temps drop to 0 to 5°F. Their floral buds burst open with bright whites, pink and red shades, and spotted color blends. […]

Rose Of Sharon ‘Pillar’ Series –Floral And Architectural Splendor

RRose of Sharon (Hibiscus syriacus), aka althea, is a popular summer flowering shrub and small tree (USDA hardiness zones ((4)5-8). In northerly areas of the U.S., rose of Sharon may also be cultivated as a sun-loving perennial. The species grows 8-12 feet high and 6 -10 feet wide in full sun and in average garden […]

Katsura Trees For Urban Plantings

Hooray! American gardeners are finally becoming savvy about Katsura tree (Cercidiphyllum  japonicum) as one of the finest landscape trees. This medium to tall growing tree (height depending on cultivar) possesses four-season appeal. Numerous varieties are now available. Small growing cultivars will be featured here. Katsura tree is indigenous to Japan and China where some may […]

New Inkberry Varieties Substitute For Boxwoods

Inkberry holly (Ilex glabra) is a slow-growing evergreen shrub (USDA hardiness zones 5-9). This U.S. native hale from coastal Canada south to Florida, and west to Louisiana. Commonly, inkberry (the species) grows to 5-8 feet tall. It is at home in sandy woodlands and the edges of swamps and bogs where they form colonies via root […]

July Blooming Plumleaf Azalea

Plumleaf azalea (Rhododendron prunifolium), a deciduous azalea native to Georgia and Alabama, is a particular summer favorite (USDA hardiness zones 6-9). It’s hardy even in Boston, NY City, and Philadelphia. Its bright orange-red blooms surprise in late July to early August. Compared to many fragrant spring blooming native species, flowers emit no scent. Its autumnal […]

Why My Hydrangeas Are Not Blooming

Thankfully, this is not a very common problem that few gardeners run into. U.S. gardeners grow four (4) species of hydrangeas: smooth hydrangea (Hydrangea arborescens), oakleaf hydrangea (H. quercifolia), bigleaf hydrangea (H. macrophylla), and panicle hydrangea (H. paniculata). There are five reasons why some hydrangeas don’t bloom: 1. Type of hydrangea… Bigleaf hydrangeas, those that […]

Five Shrubs Make Wonderful Small Trees

With some aggressively growing shrubs, it frequently comes down to you (and your pruners) versus the plant. Technique: a sharp pair of hand pruners along with 3-4 times annually to train a large unruly shrub into a behaved small tree.  Here is a list of 5 great shrub candidate that may become a great small tree: […]