Archive for the ‘Heat Tolerance’ Category

Past Winners of the Perennial Plant of The Year Award

Each year PPA members choose a Perennial Plant of the Year™. Since 1990 24 great plants have been selected. Some of the selection criteria include: • Suitable to a wide range of climatic conditions • Low Maintenance • Pest and disease resistant • Availability at garden centers • Multiple seasons of color (beauty) The list […]

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 […]

‘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 […]

Landscape Shrubs Rarely Damaged By Deer

Deer will eat or nibble on any landscape plant, particularly when they’re starving. Abnormally high deer populations, starved by a shortage of their favorite foods (mast), will feed or browse on almost any plant. This is a survival reaction. To truly protect plants when deer numbers are unusually high, a tall fence or reinforced netting […]

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’ […]

Staghorn Sumac’s Reliable Fall-Winter Assets

Staghorn sumac (Rhus typhina) is known by several names, including velvet sumac and hairy sumac. This large shrub or small tree is native to northeastern U.S. and eastern Canada (USDA hardiness zones 3-8). Staghorn sumac often arrives uninvited into a landscape and its aggressive suckering root system makes it difficult to eradicate. For landscape use […]

Kentucky Coffee A Superior Large Native Tree

Kentucky coffeetree (Gymnocladus dioicus) is a large native tree found in 18 states, from New York west to Nebraska and from central Minnesota south to Oklahoma (zones 4 through 7). It reaches a mature height of 70 feet (some greater than 90 feet) with a spread of 50 feet. Established in 2-3 years, annual growth […]

Timing Fall Leaf Color Of Red Maple Cultivars

Red maple (Acer rubrum) is one of the most popular large street and shade tree in the Southern Appalachian region (USDA hardiness zones 6 and 7). Most cultivars average 40-60 feet tall in height. Tiny red flowers burst open early, often before the official first day of spring. Flowers give way to reddish double winged […]