On a woodland hike in the eastern U.S., lush colonies of evergreen Christmas fern (Polystichum acrostichoides) flourish along the moist slopes (USDA hardiness zones 3 to 8). This native perennial fern favors either a deep or light shade environment. A vigorous clump may grow 18 – 24 inches in height and width. Set new plants […]
Archive for the ‘Disease resistant’ Category
Nativars – New Cultivars Of Native Plants
Nativar is a new term coined by Dr. Allan Armitage, Professor Emeritus from the University of Georgia. It combines the words “native” and “cultivar”. Nativar refers to a cultivar of a native plant. It attempts to excite the horticultural marketplace about new cultivars of native perennial plants, such as blackeyed Susan (Rudbeckia spp.), purple coneflower […]
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 […]
‘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 […]
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 […]

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