Archive for the ‘Container growing’ Category

Sorting Through The Joe Pye Cultivars

Joe Pye weed (Eutrichum purpureum) is a native perennial commonly spotted onthe edge of farm fields in the eastern and northern U.S. (USDA hardiness zones 4 to 9). The wild species grows 5-7 feet high and 2-4 feet wide. It blooms from late July to September and is a magnet to attract bees and butterflies. Over the past two […]

Fall In Love With Haas’ Halo® Hydrangea

Anyone walking through your garden will stop to see Haas Halo®) hydrangea (Hydrangea arborescens Haas Halo®).  This native smooth hydrangea has intense blue-green, leathery foliage and huge pure white wide lace cap blooms (USDA hardiness zones 3-9). Flowers stand tall on stout sturdy stems. Shrub branching is upright. This new hydrangea was found by Frederick H. Ray, […]

Spring – Summer Care of Herbaceous Peonies After Flowering

Summer weather can be tough on the foliage of tree and herbaceous peonies tree (P. lactiflora). Here are some tips to ensure your peony plants will prosper for many years to come. Keep foliage disease-free and prune off all badly infected with mildew or black spotted.  Some varieties naturally shed their leaves (go dormant) early. Itoh hybrids and most […]

Chinese Fringetree Is Versatile Landscape Tree

Chinese fringetree (Chionanthus retusus) is native to China, Korea and Japan (Zone: 6 to 9a). Related to native U.S. species (C. virginicus), fringetrees are noted for their profuse spring bloom of fragrant white flowers. It is most often seen in cultivation as a large, multi-stemmed, deciduous shrub growing to 15 – 20 feet tall with a […]

Korean Maple Substitute For Fullmoon Japanese Maple

At first sight Korean maple (Acer pseudosieboldianum), aka Korean fullmoon maple, is very similar in appearance to fullmoon Japanese maples (A. japonicum var. Acontifolium). If you live in a northern U.S. such as the upper Midwest, growing Japanese maples will likely become an unfulfilled wish. Korean maple is a hardier choice for northern locales (USDA hardiness zones 4-8). […]

Gardenias Continue To Disappoint In The Mid-South

The lure of fragrant white flowers have mid-South gardeners (zones 6 and 7) wanting to grow gardenias (Gardenia jasminoides). New cultivars, supposedly hardier than previous ones, hit garden centers every spring. Unfortunately, zones 6 and 7 winters usually prove them wrong. Recent purchases of new cultivars ‘Frostproof’ and Pinwheel® and older selection ‘Kleim’s Hardy’ have […]

ACS SOUTHEAST REGION CONIFER REFERENCE GARDENS*

I hear people say that conifers won’t grow in the southeastern U.S. Wanta bet! 2016 marks the 8th year of the Reference Garden program sponsored by the American Confer Society (ACS)- Southeast Region. From Kentucky and Virginia south to Florida, 19 public gardens were now participating in the program. Two of the latest additions are Brookgreen […]

Tips On Growing Azaleas

Evergreen azaleas (Rhododendron spp.) are actually small-flowered rhododendrons. Depending on where you garden, azaleas enjoy a long bloom period from late March (zone 8) to June (zone 4) in the U.S. Many cultivars bloom for two weeks or more. Fall blooming types like Encore® and Bloom-a thon® series are also available. Azaleas have shallow root systems […]

Cool Plant Combos For Containers

  As more and more urban gardeners are growing in small spaces, including decks and patio of condos and town houses, container gardens are becoming more significant. They’re creating large mixed containers that include miniature trees and shrubs rather than their big cousins. For design containers may include thrillers (tall or spiky), fillers, and spillers (weepers). […]

Transform These Three Shrubs Into Trees

Some large shrubs can be trained into lovely small flowering trees. These three flowering shrubs may be trained into small 15-25 feet tall, single or multi- trunk trees: Siebold viburnum (Viburnum sieboldii) is a tall upright branched deciduous shrub (USDA hardiness zones 4-7). This native from Japan grows to 15-20 feet tall and 10-15 feet wide […]