Archive for the ‘winter injury’ Category

Substitutes For Callery Pear

The end to planting Callery pears (Pyrus calleryana), aka Bradford Pear, is almost within sight as more states are banning sales of the tree at garden centers and box store garden departments. Recently, Ohio, South Carolina and Pennsylvania have banned further plantings. This March blooming flowering tree has been determined to be invasive. It produces […]

Tips On Overwintering Outdoor Containers

Containers filled with shrubs and perennials, doesn’t necessarily ensure their winter survival. Without adequate cold protection plants may succumb to cold injury—turning them into dead annuals.     To over-winter perennials in containers, you need to know their root and shoot temperature hardiness. Often, plant hardiness ratings is listed on the label. Roots and shoots of several […]

Avoid Mulch Volcanos

Ever heard of a “mulch volcano? It is a load of mulch that is piled up around the base of a landscape shrub or tree. A common answer I get from homeowners guilty of this practice is that they see professional landscapers and city maintenance crews doing it. Volcano mulch can also cause tree roots […]

Three Cool Sedges (Carex)

Over the past decade Japanese Sedges (Carex spp.) have become popular in U.S. gardens. Uncertain which ones to plant – here are three that are easy to grow and require little maintenance. The following three clump-forming evergreen Japanese sedges flaunt arching, green and white variegated grass-like foliage. Tiny insignificant, brown flower spikes arise on long stems […]

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 […]

12 Woody Trees And Shrubs Perfect For Containers

Japanese maples, hydrangeas, hollies, boxwoods, camellias, and dwarf conifers are popular favorites to grow in pots. Often, they’re part of mixed plantings coordinated with colorful annual and perennial flowers. If and when these outdoor trees and shrubs outgrow their pots, you have one of three options available: 1.) move plants into a bigger pot, 2.) […]

Monkey Puzzle Tree

Monkey puzzle tree or Chilian pine (Araucaria araucana) is an evergreen conifer that is indigenous to forested volcanic slopes in the Andes Mountains in Chile and Argentina (USDA Zone 7b-11). It is the national tree of Chile. It typically grows 60-70 feet tall and 30-35 feet wide, but frequently reaches 100 feet or more in height […]

Uniquely Different Spider Azalea

Although rarely seen, spider azalea (Rhododendron stenopetalum  ‘Linearfolium’) will be a pleasing addition to your woodland garden (USDA hardiness zones 6-8). Few people would ever guess that it is an azalea. This airy shrub grows 3-4 feet tall and a whole lot wider. It is slow growing, but is worth the wait. This unique semi- evergreen azalea hails from Japan. The very narrow […]

Tips On Repotting Container Plants

Eventually, all potted plants outgrow their containers. This includes potted roses, Japanese maples and other small trees, shrubs, dwarf conifers, elephant ears (Colocasia, Alocasia), cannas, lotus, papyrus, and lots more. A rule of thumb is to transplant every 2 years in early spring before bud break. In the case of perennials and tropicals, this is a good […]

Seven Step Care Tips For Container Roses

You can grow beautiful roses in containers on your patio or deck. All you need is an adequate container size and a growing area with plenty of sunlight. The life of container roses is short,usually 2-3 years. Each spring, plants should be transplanted every year into a new container. Container size is very important. Follow these 7 steps: […]