Most deciduous landscape trees drop their leaves sometime in autumn. The physiology of autumn leaf drop is primarily stimulated by changes in photoperiod or shorter daylength. Autumn colors develop and the leaf petioles form an abscission layer. Black gum (Nyssa sylvatica), for example, start to color up in early September. Winter leaf retention by […]
Archive for the ‘Oaks (Quercus spp.)’ Category
Leaf Retention In Landscape Trees
Posted by Hugh on September 2nd, 2016
Posted in American Beech (F. grandifolia), American hornbeam, Autumn foliage color, Beech (Fagus spp.), Bur oak (Q. macrocarpa), Deer resistant, European beech (F. sylvatica), Hophornbeam (Ostrya), Hornbeam (Carpinus), Leaf retention, Marcescence, Oaks (Quercus spp.), pin oak, plant nutrition, Soil pH, Trees & Shrubs, Willow oak (Quercus), Wind protection, Winter bark, Winter Garden Interest, winter hardiness, Winter Protection, Witchhazel (Hamamelis) 
Comments Off on Leaf Retention In Landscape TreesTree Diversity Important In Urban Parks And Streets
Posted by Hugh on January 12th, 2016
In recent years urban tree diversity has become a buzz topic. The threat of losing entire street plantings to a deadly exotic disease or pest has to often become the reality. Nearly a century ago, urban tree-lined thoroughfares were laid bare by losses of American elms (Ulmus americana) and […]
Posted in Ash (Fraxinus), Beech (Fagus spp.), Birch (Betula spp.), Chestnut, Disease prone, Disease resistant, Elms (Ulmus), Insect (Pest) Problems, Invasive species, Maples (Acer), Native Plant, Oaks (Quercus spp.), Poplar (Populus spp.), river birch, Southern Appalachian Region, Trees & Shrubs Comments Off on Tree Diversity Important In Urban Parks And StreetsShould You Plant In Fall?
Posted by Hugh on September 30th, 2015
Should you plant in the Fall? It depends what region you live in, what month in fall, and what species you’re planting. If you live in the mid-Atlantic, coastal New England, or Southeastern U.S., fall is an excellent time to set most hardy plants. Most (not all) trees, shrubs, perennials, […]
Posted in apple varieties, Azaleas (evergreen), Birch (Betula spp.), Cherry Laurel (Prunus), Coneflower (Echinacea purpurea), Cranesbill (Geranium), Dogwood (Cornus), Fertilizing plants, Hawthorn (Crataegus), Hickory (Carya spp.), Hydrangeas, Ilex (hollies), Landscape ideas, Magnolia grandiflora, Magnolia stellata, Magnolia virginiana, Mahonia, Maples (Acer), Mountain laurel (Kalmia), mulching, mulching trees, Native Plant, Oaks (Quercus spp.), Ornamental cherry (Prunus), Osmanthus 'Goshiki', Perennials, Pignut Hickory (Carya glabra), Purchasing Plants, root injury, Roses, Sage (Salvia), Salvia, Soil drainage, Southern Appalachian Region, Spring flowering, Spring flowering bulbs, Summer flowering, Sweetgum (Liquidambar), Transplant problem, Trees & Shrubs, Tulip tree (Liriodendron), Walnut, watering tips, Wildlife attractant, winter hardiness, winter injury, Winter Protection Comments Off on Should You Plant In Fall?The Mighty Bur Oak
Posted by Hugh on September 25th, 2014
Bur oak or mossycup oak (Quercus macrocarpa), aka blue oak and mossy overcup oak, is a majestic native oak native to the midwest and eastern U.S. (USDA hardiness zones 3-8). It a member of the white oak group (rounded leaf lobes, no bristly tips). This large sized deciduous oak grows 60-80 feet tall with a […]
Posted in acidic soil, alkaline soil, Attracting birds, Bur oak (Q. macrocarpa), Deer resistant, Edible fruits, Native Plant, Oaks (Quercus spp.), Planting tips, Propagation (Seed), Southern Appalachian Region, Spring flowering, Trees & Shrubs, winter hardiness Comments Off on The Mighty Bur OakSwamp White Oak Gaining In Popularity
Posted by Hugh on September 1st, 2014
Swamp white oak (Quercus bicolor) is an underutilized large native oak whose ornamental attributes have captured the attention of municipal arborists (and perhaps you as well). (USDA hardiness zones 4 to 8). Swamp white oak is a medium to large sized deciduous shade tree, 50 to 60 feet tall and wide, and a broad, irregularly […]
Posted in acidic soil, Attracting birds, Drought tolerant, Edible fruits, Large Shade trees, Native Plant, Oaks (Quercus spp.), Pests, Southern Appalachian Region, Spring flowering, Trees & Shrubs, winter hardiness Comments Off on Swamp White Oak Gaining In PopularityEnglish Oak Demands A Moist Well-drained Soil
Posted by Hugh on August 27th, 2014
Thinking about English oak (Quercus robur) brings to mind Robin Hood and Sherwood Forest. This majestic oak forms a broad spreading crown supported by a short sturdy trunk with a medium-brown, deeply-fissured bark (USDA hardiness zones 4-8). A young tree exhibits a pyramidal form. In a city park or golf course, it typically grows 50-70 […]
Posted in acidic soil, alkaline soil, Aphids, Caterpillars, Edible fruits, Fruits poisonous, Large Shade trees, Oaks (Quercus spp.), Planting tips, Powdery mildew, Propagation (Seed), Soil drainage, Southern Appalachian Region, Spring flowering, Summer heat tolerant, Trees & Shrubs, watering tips, Wildlife attractant, winter hardiness Comments Off on English Oak Demands A Moist Well-drained SoilMoving Large And Mature Trees
Posted by Hugh on January 5th, 2014
Perhaps tree lovers can’t plant wonderful trees such as shagbark hickory (Carya ovata), American beech (Fagus grandifolia), or white oak (Quercus alba). They can purchase property with the tree(s) growing on them. Most nurseries do not grow these difficult species or guarantee their success after planting. But, all is not lost! Modern nurseries, backed by […]
Posted in American Beech (F. grandifolia), Beech (Fagus spp.), Black gum (Nyssa), Garden Maintenance, Hickory (Carya spp.), Japanese maple, Large Shade trees, Native Plant, Oaks (Quercus spp.), Planting tips, Southern Appalachian Region, Transplant problem, Trees & Shrubs Comments Off on Moving Large And Mature TreesPlanting Trees for Future Generations
Posted by Hugh on January 15th, 2011
Oaks, beeches, hickories, ginkgoes, bald cypresses, redwoods, chestnuts and others are trees that future generations inherit from previous generations. In human terms, it takes a lifetime to grow an acorn into a mighty oak. Many tree species live hundreds of years, often asking little and contributing much beauty, summer cooling shade, winter heating comfort as windbreaks, and a […]
Posted in Attracting birds, Bald cypress (Taxodium), Beech (Fagus spp.), Butterflies, Chestnut, Hickory (Carya spp.), Native Plant, Oaks (Quercus spp.), Propagation (Seed), Southern Appalachian Region, Trees & Shrubs, winter hardiness Comments Off on Planting Trees for Future Generations
