In the Southeastern U.S. region, wildly fluctuating temperatures this winter will likely destroy or delay spring and summer blooming on bigleaf (mophead) hydrangeas (Hydrangea macrophylla) (USDA hardiness zones 6 – 9). Other hydrangea species, such as smooth hydrangea (H. arborescens), panicle hydrangea (H. paniculata), and oakleaf hydrangeas, should not be affected. Bigleaf hydrangeas are […]
Archive for the ‘winter hardiness’ Category
YoYo Winter Temperatures– Expect Flower Losses On BigleafHydrangeas
Posted by Hugh on February 21st, 2015
Posted in acidic soil, Failure to Bloom, Hydrangeas, Landscape ideas, Planting tips, Propagation (Cuttings), Propagation (layering), Pruning, Southern Appalachian Region, Spring flowering, Summer flowering, Summer heat tolerant, Trees & Shrubs, winter hardiness, Winter Protection 
Comments Off on YoYo Winter Temperatures– Expect Flower Losses On BigleafHydrangeasBergenias (Pigsqueak) Gaining More Respect
Posted by Hugh on February 8th, 2015
Heart-leaved bergenia (Bergenia cordifolia) is a clump-forming perennial indigenous to Russia (USDA hardiness zones 3-9). It has been coined the name “pig squeak” because of the noise produced by rubbing a leaf between your thumb and finger. Bergenias are planted most effectively enmasse as a ground cover. They spread slowly by rhizomes and tends to seed-in […]
Posted in acidic soil, Bergenia (pigsqueak), deadheading, Disease resistant, Ground cover, mulching, Planting tips, Propagation (Cuttings), Propagation (Seed), Pruning, Shade Gardening, Spring flowering, Summer heat tolerant, watering tips, winter hardiness Comments Off on Bergenias (Pigsqueak) Gaining More Respect‘Biokova’ Cranesbill Dependable Year-Round Ground Cover
Posted by Hugh on February 5th, 2015
Biokova is not a new geranium, aka cranesbill (Geranium x cantebrigiense ‘Biokova’). Its exceptional landscape performance has earned the 2015 Perennial Plant of the Year designation. Cranesbills are highly dependable perennial ground cover for partial sun to partial shade landscape sites (USDA hardiness zones 5-8). Among the better choices of cranesbills, ‘Biokova’ has proven exceptionally reliable here […]
Posted in acidic soil, Bee Favorite, Butterflies, Cranesbill (Geranium), Disease resistant, Drought tolerant, Fertilizing plants, Ground cover, Perennials, Planting tips, Pruning, Shade Gardening, Southern Appalachian Region, Spring flowering, Summer heat tolerant, watering tips, Winter Garden Interest, winter hardiness Comments Off on ‘Biokova’ Cranesbill Dependable Year-Round Ground CoverPositive Facts About Tree Of Heaven
Posted by Hugh on February 2nd, 2015
Tree of heaven (Ailanthus altissima) is a hated tree and tagged noxious and invasive across the U.S. (USDA hardiness zones 4 to 8). This aggressive species is indigenous to China and seems almost without limits as to where it takes root across the U.S. It has numerous nicknames, including “trash can tree”. It is the […]
Posted in acidic soil, Aggressive grower, Disease resistant, Drought tolerant, Environmental issues, Heat Tolerance, Invasive species, Large Shade trees, Southern Appalachian Region, Summer flowering, Tree of Heaven (Ailanthus), Trees & Shrubs, winter hardiness Comments Off on Positive Facts About Tree Of HeavenTree Of Heaven Grows Almost Everywhere (Unfortunately)
Posted by Hugh on January 30th, 2015
Tree of heaven (Ailanthus altissima) is one of the most aggressive trees on planet Earth (USDA hardiness zones 4 to 8). This large tree, indigenous to China, was introduced in North America in 1748 and brought to New York City in 1820 as a street tree and a food source for silkworm caterpillars. The tree […]
Posted in acidic soil, Aggressive grower, alkaline soil, Deer resistant, Disease resistant, Drought tolerant, Heat Tolerance, Invasive species, Large Shade trees, Southern Appalachian Region, Summer flowering, Tree of Heaven (Ailanthus), Trees & Shrubs, winter hardiness Comments Off on Tree Of Heaven Grows Almost Everywhere (Unfortunately)Winter Blooming Flowering Apricot
Posted by Hugh on January 28th, 2015
Flowering apricot (Prunus mume) is native to southeastern Asia(USDA hardiness zones 6-8). It is primarily grown for its mid to late winter bloom of pink flowers. This small 15-20 feet tall tree grows in average well-drained, acidic soils in full sun to partial shade. Avoid planting in heavy or wet soils. Most abundant flowering occurs in full sun. In the […]
Posted in acidic soil, Attracting birds, Bee Favorite, compact tree, Disease prone, Drought tolerant, Edible fruits, Flowering, Flw. apricot (Prunus mume), Fragrant, Harvest Time, Heat Tolerance, Planting tips, Pruning, Purchasing Plants, Rabbit/deer Protection, Soil drainage, Southern Appalachian Region, Spring flowering, Summer heat tolerant, Trees & Shrubs, Winter flowering, winter flowering tree, winter hardiness, Winter Protection Comments Off on Winter Blooming Flowering ApricotSycamore Maple Performs In Cooler Regions
Posted by Hugh on January 21st, 2015
Sycamore maple, aka planetree maple (Acer pseudoplatanus) is indigenous to northern and central Europe where it is a popular landscape tree. Very commonly planted in the northeastern U.S. in the early 20th century, this large 50-60 foot tree is rarely found today (USDA zones 4 and 7). A mature specimen in Jonesborough, Tennessee (zone 6) is over […]
Posted in acidic soil, alkaline soil, Disease resistant, Drought tolerant, Invasive species, Large Shade trees, Maples (Acer), Propagation (Seed), Purchasing Plants, Soil drainage, Southern Appalachian Region, Spring flowering, Trees & Shrubs, Winter bark, winter hardiness Comments Off on Sycamore Maple Performs In Cooler RegionsTake A Second Look At Canadian Hemlock
Posted by Hugh on January 18th, 2015
Canadian hemlock (Tsuga canadensis) is a native evergreen species which is available in many forms: prostrate, globose, weeping, fastigiate and variegated (USDA Hardiness Zones 3-7). Its tremendous versatility as a hedging tree or shrub in planting sites is also a great reason to continue to include hemlock in the landscape. Hemlock may […]
Posted in Attracting birds, compact shrub, container shrub, DWARF CONIFERS, Evergreen, Hemlock (Tsuga), Insect (Pest) Problems, Native Plant, Planting tips, Privacy Screen, Propagation (Cuttings), Propagation(grafting), Purchasing Plants, Southern Appalachian Region, Summer heat tolerant, Trees & Shrubs, Wildlife attractant, Winter Garden Interest, winter hardiness Comments Off on Take A Second Look At Canadian HemlockMt. Cuba Center Evaluates Heuchera (Coralbells) Cultivars
Posted by Hugh on January 16th, 2015
Over the past quarter century, gardeners have enjoyed the wonderful heuchera revolution (USDA hardiness zones 4-9). A great many hybrid cultivars have been introduced with more arriving every spring. Unfortunately, the flood of new cultivars has given us a huge number of poor selections. As I talk with […]
Posted in acidic soil, compost, Deer resistant, Disease resistant, Evergreen, Ground cover, Heuchera (coralbells), mulching, Native Plant, Perennials, Propagation (dividing), Southern Appalachian Region, Spring flowering, Summer heat tolerant, watering tips, Winter Garden Interest, winter hardiness Comments Off on Mt. Cuba Center Evaluates Heuchera (Coralbells) CultivarsBlue Atlas Cedar Becoming Very Popular In Urban Landscape
Posted by Hugh on January 10th, 2015
Blue Atlas cedar (Cedrus atlantica ) hails from the Atlas Mountains in northern Morocco and Algeria (USDA hardiness zone 6). The cultivar ‘Glauca’ has been the popular choice because of its blue green foliage. Blue Atlas grows to 40-60 feet in height, but individuals over 70 feet are hard to find. Mature forms, those 50 […]
Posted in acidic soil, Atlas cedar (Cedrus), Disease resistant, Disease resistant, Drought tolerant, Evergreens, Heat Tolerance, Large Shade trees, Planting tips, Privacy Screen, Purchasing Plants, Soil drainage, Southern Appalachian Region, Staking, Summer heat tolerant, Trees & Shrubs, watering tips, Winter bark, winter hardiness Comments Off on Blue Atlas Cedar Becoming Very Popular In Urban Landscape
