RRose of Sharon (Hibiscus syriacus), aka althea, is a popular summer flowering shrub and small tree (USDA hardiness zones ((4)5-8). In northerly areas of the U.S., rose of Sharon may also be cultivated as a sun-loving perennial. The species grows 8-12 feet high and 6 -10 feet wide in full sun and in average garden […]
Archive for the ‘Garden Problems’ Category
Rose Of Sharon ‘Pillar’ Series –Floral And Architectural Splendor
Six Perennials To Include In Your Garden
I continue to report to you on plants that perform. I am quick to eliminate plants that don’t live up to expectations.Here are six topnotch perennials you will enjoy in your garden for many years. Arkansas bluestar (Amsonia hubrichtii) grows into a 2-3 feet tall arching clump of soft, feathery green leaves. Blue starry flowers […]
Katsura Trees For Urban Plantings
Hooray! American gardeners are finally becoming savvy about Katsura tree (Cercidiphyllum japonicum) as one of the finest landscape trees. This medium to tall growing tree (height depending on cultivar) possesses four-season appeal. Numerous varieties are now available. Small growing cultivars will be featured here. Katsura tree is indigenous to Japan and China where some may […]
Tall Stonecrops (Sedums)
Stonecrops (Hylotelephium spectabile) are tall clumping sedums. They are frequent seen in their habitat growing on rocks or stony ledges. Also written as Sedum spectabile, many varieties grow 1.5 to 2 feet high. Approximately 33 species of these drought-tolerant herbaceous perennials are found to Asia, Europe and North America (USDA hardiness zones 3-9). Stonecrop make excellent […]
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 […]
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 […]
Three High Performance Coneflower Series
Coneflowers (Echinacea purpurea) are very popular perennials (USDA hardiness zones 4-9). Their colorful flowers will attract a multitude of beneficial pollinators to your garden. Some cultivar series come in a myriad of colors. For the best and biggest flowers, coneflowers perform at their best in full sun and in well-drained soils. After planting echinaceas grow […]

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