Archive for the ‘winter hardiness’ Category

2014 Perennial Plant Of the Year: ‘Northwind’ Switchgrass

Northwind switchgrass (Panicum virgatum ‘Northwind’) is a 4 to 5 feet tall native prairie grass (USDA hardiness zones 4–9). There are many fine switchgrass varieties, but its Northwind’s vertical form and steel blue foliage that makes it a standout. Northwind switchgrass has been selected the 2014 Perennial Plant of the Year. By mid-summer its lacy soft pinkish […]

Leyland Cypress – Alternative Christmas Tree For The South

If you grew up with a spruce or a fir Christmas tree, Leyland Cypress (x Cupressocyparis leylandii) could be a big change. This conifer species thrives in the southern U.S. (USDA hardiness zones 7-b to 9). Leyland is a good choice for a live cut or transplanted holiday tree as firs (Abies spp.) and spruces […]

‘Summer Cascade’ Is A Very Different Weeping River Birch

Summer Cascade is a new weeping river birch (Betula nigra Summer Cascade™ (PPAF). Its pendulous branching habit represents a unique change for river birch. Its strong weeping nature creates a divine focal point planted next to a pond, deck, or patio. Left unstaked, Summer Cascade’s strong pendulous habit naturally grows into a shrub mound or […]

‘Grey Owl’ Juniper Is Tough Carefree Evergreen

Some people rate junipers as over-planted or bygone landscape plants. Juniperus virginiana ‘Grey Owl’ is a cultivar of our native Eastern Red Cedar (USDA hardiness zones 3 to 9). Eastern red cedar is actually a juniper. This flat spreading evergreen develops into a reliable ground cover not plagued with disease and pest problems observed on […]

Norfolk Island Pine Makes Decorative Holiday Tree

Norfolk Island Pine (Araucaria heterophylla) is native to tiny Norfolk Island located in the South Pacific. This tropical evergreen tree is now planted around the world and appears to be hardy in Northern Florida (USDA hardiness zone 9). In the wild this fast-growing tree grows to 80 feet in height. Norfolk Island Pine makes a […]

‘Ogon’ Dawn Redwood Offers 4-Seasons Interest

Dawn redwood (Metasequoia glyptostroboides ‘Ogon’ (aka ‘Gold Rush’) is a stunning foliage color variant (USDA hardiness zones 5 to 8). Metasequoia was thought to be extinct until the mid-1940’s when rediscovered in China. Its leaves were commonly found imprinted in fossil rocks. When developing your landscape plan, place Ogon where it will become a focal […]

Japanese Umbrella Pine Is Unique Among Evergreens

Umbrella pine (Sciadopitys verticillata) is an outstanding evergreen large shrub or medium-sized pyramidal tree. Initially, umbrella pine grows slowly, only 6 to 8 inches annually, but growth rate picks up after 4-5 years. A young 3-foot tall plant may reach 20 to 30 feet tall in 25 years and double that at maturity. Its leaves […]

Top Conifers Picks By Southeast Reference Gardens

In 2011 poll conducted at the SE Region meeting in Athens, GA, the top favorite conifer picks from SE Reference Gardens. Georgia Lockerly Arboretum, Milledgeville Cryptomeria japonica ‘Elegans Nana’ Juniperus virginiana var. silicicola ‘Brodie’ Platycladus orientalis ‘Aurea Nana’ Thuja occidentalis ‘Rheingold’ Smith Gilbert Garden, Kennesaw Cedrus deodara ‘Gold Cone’ Chamaecyparis obtusa ‘Verdon’ Platycladus orientalis ‘Morgan’ […]

Ranking Four Popular Evergreens As Privacy Screens

If you are searching for a tall evergreen conifer as a privacy screen, the four most popular in the Southern Appalachian region (USDA hardiness zones 6 and 7) are: # 1 is Leyland cypress (x Cupressocyparis leylandii) which rapidly grows 40-50 feet tall and 20-25 feet wide in less than 25 years…if they live long […]

Mexican Feather Grass

The ultra-fine soft foliage of Mexican feather grass (Nassella tenuissima) will grab your interest. Just a slight breeze will create wave movement in your garden (USDA hardiness zones 7 to 10). It grows 1½ feet high (2 feet tall in flower) and 1½ to 2 feet in width. Mexican Feather Grass is a cool season […]