Archive for the ‘Propagation(grafting)’ Category

Asian Pears Becoming Very Popular

Whether home-grown or store bought, Asian pear (Pyrus pyrifolia) fruits ripen sweet and tasty on the tree (USDA hardiness zones 4-9). There are over 100 varieties available worldwide, many with difficult to pronounce. Investigate variety cold hardiness and winter chilling rating as some cultivars are hardier than others. Southern varieties require only 300- 600 hours of winter chilling temperatures […]

Widely Planted Norway Spruce

Norway spruce (Picea abies) is a large pyramidal evergreen conifer. It is native to the mountains of northern and central Europe where it often matures to 100 feet or more in height. In the cool temperate areas of the U.S. and Canada, Norway spruce is widely planted, typically reaching 50 to 80 feet tall at maturity (USDA hardiness […]

Selecting Japanese Maple Varieties For Winter Hardiness

              Japanese maples (Acer palmatum) and (A. japonicum) are among the most picturesque of trees and shrubs. Their star-shaped leaves are comprised of 5-7-9 pointed lobes, depending on variety (cultivar). Trees exhibit layered branching, cascading form, lacy foliage (dissectum types), and stunning fall color. There are countless numbers of cultivars… […]

Dwarf Ginkgoes For Small Spaces

  Prehistoric Ginkgo trees (Ginkgo biloba) are easily identified by their triangular shaped leaves (USDA hardiness zones 4-8). Trees mature to huge sizes, up to 80 – 90 feet high. Their growth rates are initially slow during the early establishment years. Ginkgo tree are “dioecious”, either male and female. Most (not all) ginkgoes develop into tall pyramidal […]

ARS Selects ‘Oso Easy Lemon Zest’ Rose For Award of Excellence

The American Rose Society (ARS) announced at the 2015 National Conference that Proven Winners received the Award of Excellence for its Oso Easy Lemon Zest shrub rose. To receive this honor, a rose must prove its toughness and beauty in six different no-spray trial locations across the U.S.(USDA hardiness zones 5-9). “Oso Easy Lemon Zest rose is a […]

American Yellowwood Deserves To Be Planted More

    American yellowwood (Cladrastis kentukea) is a beautiful native tree which  is rarely planted in U.S. landscapes (USDA hardiness zones 4-8). Yellowwood is a tree for all seasons. It is both a lovely shade and flowering specimen. Long white wisteria-like flowers appear in mid- to late-May. It eventually matures into a lovely 35 to […]

New ‘Pam’s Mountain Bouquet’ Kousa Dogwood

  ‘Pam’s Mountain Bouquet’ is a new Chinese dogwood (Cornus kousa) cultivar from the plant scientists from the University of Tennessee Dogwood Working Team (USDA hardiness zones 5-8). Mountain Bouquet is a near-white flowering form whose petal-like bracts fuse into near perfect squares. The cultivar blooms slightly later than other flowering dogwoods, helping to extend dogwood’s […]

Take A Second Look At Canadian Hemlock

              Canadian hemlock (Tsuga canadensis) is a native evergreen species which is available in many forms: prostrate, globose, weeping, fastigiate and variegated (USDA Hardiness Zones 3-7). Its tremendous versatility as a hedging tree or shrub  in planting sites is also a great reason to continue to include hemlock in the landscape. Hemlock may […]

What A Plant Costs

                        I overheard a customer complain about the “outrageous” prices for plants, particularly the newly introduced ones. Here is some of the whys: Certain plants are difficult to reproduce. Occasionally, stores may stock some expensive items like paperbark maple (Acer griseum) and fringetree (Chionanthus virginicus). These […]

Emerald™ Arborvitae

Emerald™ or ‘Emerald Green’ arborvitae (Thuja occidentalis ‘Smaragd’) is not new shrub or cultivar. More than 3 generations of gardeners have used this unique form of eastern arborvitae as their “go to” evergreen shrub up and down the eastern coast and through the Midwest (USDA hardiness zones 3-7). Emerald is a semi-dwarf evergreen shrub with a […]