Archive for July, 2019

July Blooming Plumleaf Azalea

Plumleaf azalea (Rhododendron prunifolium), a deciduous azalea native to Georgia and Alabama, is a particular summer favorite (USDA hardiness zones 6-9). It’s hardy even in Boston, NY City, and Philadelphia. Its bright orange-red blooms surprise in late July to early August. Compared to many fragrant spring blooming native species, flowers emit no scent. Its autumnal […]

Why My Hydrangeas Are Not Blooming

Thankfully, this is not a very common problem that few gardeners run into. U.S. gardeners grow four (4) species of hydrangeas: smooth hydrangea (Hydrangea arborescens), oakleaf hydrangea (H. quercifolia), bigleaf hydrangea (H. macrophylla), and panicle hydrangea (H. paniculata). There are five reasons why some hydrangeas don’t bloom: 1. Type of hydrangea… Bigleaf hydrangeas, those that […]

Five Shrubs Make Wonderful Small Trees

With some aggressively growing shrubs, it frequently comes down to you (and your pruners) versus the plant. Technique: a sharp pair of hand pruners along with 3-4 times annually to train a large unruly shrub into a behaved small tree.  Here is a list of 5 great shrub candidate that may become a great small tree: […]

Crusader™ Cockspur Hawthorn

n Cockspur thorn (Crataegus crus-galli) is sometimes seen as a dense, low-branched, broad-rounded tree to 25-35 feet with horizontal branching armed with numerous large 1.5 to 3 inch long thorns. Lower branches often sweep near to the ground. It is also often seen as a tall, flat-topped shrub. This native hawthorn grows naturally from Quebec […]

Perennial Favorites For The Summer Garden

If someone was to create the Garden Performance Hall of Fame for summer flowering perennials, I would nominate this list of ten (10). I have had experience growing many of them in my Northeast Tennessee garden (USDA hardiness zone 6-b). In a few instances, I have selected a variety that grows in friends’ or a […]

Six Flowering Perennials For Downtown Areas

Here is what some downtown areas in the Southeast and Midwest U.S. were planting this spring: Rudbeckia lacinata ‘Herbstonne’ aka ‘Autumn Sun’ is a long-blooming butterfly favorite with clusters of bright yellow ray flowers with large green cones from mid to late summer. Leaves are large, glossy, deep green, deeply cut along the stems. Black Eyed Susan (Rudbeckia fulgida […]