Archive for the ‘winter hardiness’ Category

Evergreens For Wet Soggy Soils

  Most needle evergreens falter in moist soggy soils. These sites usually have a heavy clay or fine particle sand content. Some arborvitaes (Thuja spp.) and Atlantic white cedar (Chamaecyparis thyoides) tolerate temporary wet soggy conditions better than most evergreens (USDA hardiness zones 3-8). An assortment of shapes, sizes and colors are available. All are U.S. […]

Bird’s Nest Spruce

Bird’s nest spruce (Picea abies ‘Nidiformis’) is a dwarf cultivar of Norway spruce and is native to northern Europe (USDA hardiness zones 3-7). This slow growing compact shrub will attain 4 feet in height and 5 to 6 feet spread over 15 – 20 years. The shrub grows in a round form with a distinctive […]

Growth Rates Of Four Privacy Screen Evergreens

  In a hurry to create a little privacy from neighbors, then add a tall evergreen privacy screen to your planting chores. Four most popular conifers are rated by annual growth rate. If you recall the children tale of “The Tortoise And The Hare”, fast does not mean best. Leyland cypress (x Cupressocyparis leylandii) (zones 6-9) has the fastest growth rate at 40-50 feet […]

Shrubs You Should Not Prune In Fall Season

Why would anyone prune spring flowering shrubs in the autumn season? After a long cold winter, why miss out on the delightful fragrance of lilac and viburnum flowers the following spring? Predicting how cold, warm, or dry the coming winter season is rarely possible. Pruning cuts are wounds and weather extremes may cause injury to […]

Planting Of Norway Maple Declining In U.S.

Norway maple (Acer platanoides) is a hardwood tree native throughout the of Europe and widely planted in the U.S. (USDA hardiness zones  4-7a). At maturity a tree reaches 40 to 50 feet in height (to 75 to 80 feet is not unusual) and 35 to 50 feet in width.  Its dense leafy canopy values it […]

Tropical Looking Big Leaf Magnolia

  Bigleaf magnolia (Magnolia macrophylla) is native to the southeastern United States as far north to Ohio (USDA hardiness zones 5-8). A mature tree attains heights of 30 to 40 feet and develops an irregular pyramidal form. In the northern areas the tree is deciduous and semi-evergreen in the southeastern U.S. Its enormous size foliage makes […]

Black Gum Should Be Planted More

  U.S. native black gum (Nyssa sylvatica), aka sour gum or black tupelo, is a medium to large shade tree. A young tree has an attractive pyramidal habit and dependable fall color. In the past transplanting black gum has been an issue, but modern advances in growing and planting practices have been solved. New cultivars […]

The Mighty Bur Oak

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 […]

Autumn/Winter Garden Dressup

It’s fall and many gardeners take leave of their garden until spring. Autumn is a great time to create new color schemes that will carry over into the winter garden. It’s just like spring all over again! Frost hardy flowering plants get their turn, such as pansies, violas, snapdragons, and diascias (USDA Hardiness zone 7), […]

Fall Blooming ‘October Skies’ Aster

From Maine to Texas, the aromatic asters (Symphyotrichum (Aster) oblongifolius) are great garden performers in the fall garden (USDA hardiness zones 5–8). The cultivar ‘October Skies’ is one of the best. Plants are covered with lavender blue flowers (up to 1 ¼ inches in diameter) from late September thru late October. Each flower displays a gold button center. […]