Archive for the ‘watering evergreens’ Category

Three New Spreading Junipers Waking Up Landscapes

In times past Chinese junipers (Juniperus chinensis) were popular foundation shrubs and ground cover (USDA hardiness zones 4-9). They were popular choices in sunny locations for erosion control and around seashore areas. Three exciting cultivars have arrived on the landscape scene and should bring junipers back in vogue. Angelica Blue Chinese juniper (J. chinensis ‘Angelica […]

‘Vanderwolf Pyramid’– Reliable Mid-sized Limber Pine

Limber pine (Pinus flexilis), native to the Rocky Mountain region, has proven to be a reliable landscape evergreen tree in the Midwest and is gaining new fans in mid-South gardens (USDA hardiness zone 7-a). ‘Vanderwolf Pyramid’(VP) is a beautiful dwarf pine being planted by conifer collectors. It is hardy in USDA zone 5, and displays […]

Dawn Redwood Is Back From Extinction

  Dawn redwood (Metasequoia glyptostroboides) was thought to be extinct until the mid-twentieth century. In 1948 dawn redwood was re-introduced into North America from Sichuan-Hubei Provinces in China.   Dawn redwood grows in full sun and in well-drained, compost-rich soil. The tree struggles in dry or high pH soils. Dawn redwood will tolerate standing water for a […]

Evaluating Weeping Bald Cypress Cultivars

Bald cypress (Taxodium distichum) is a large 75 -80 foot deciduous conifer tree. They are long-lived, often 100 years or more. Bald cypress is incredibly hardy from the warm humid Florida swamps to the cold winter temperatures and loamy soils of central Michigan. Bald cypress is tolerant of a wide range of soil and moisture […]

Thujopsis: Semi-Dwarf Evergreen Shrub

Hiba or false arborvitae (Thujopsis dolobrata) is a slow to moderate growing evergreen shrub or tree. It is also called elkhorn cedar and deerhorn cedar, referring to the shape of its scale-like leaves. Tall 50-80 feet tall tree forms arefound in the forests of Japan. This native of Japan and China has a pyramidal form and beautiful dense foliage, similar […]

‘Morgan’ Oriental Arborvitae

Among dwarf conifer collectors, ‘Morgan’ Oriental arborvitae (Platycladus orientalis) has become one of the most sought out evergreens over the past decade. Its oval form and seasonal coloration makes Morgan a standout. It performs well in part sun, but its chartreuse-yellow foliage appears more vibrant in direct sunlight. Its dense foliage grows in vertical layers. Andy Pulte at the […]

Irrigate Evergreens This Winter

Fall slowdown in the garden brings many of us back indoors to prepare for the winter holidays ahead. A number of serious canker diseases attack evergreens in the fall and winter if soil moisture is not plentiful. These diseases include botryosphaeria, cytospora, phomopsis, and seiridium cankers. Each organism is capable of causing branch dieback or […]

Natural Evergreen Needle Drop in Autumn

Some needle loss on evergreens in the fall is natural. As night time temperatures cool, needles in the interior of many evergreen trees or shrubs regularly turn brown (or golden yellow) and drop off. Needle loss is most obvious on pines (Pinus spp.) and arborvitae (Thuja spp.) in the Southern Appalachian region (USDA zones 6 and 7). The […]

Alaska Cedar Is Awesome Weeping Evergreen

Over the past decade, gardeners have been planting different evergreen trees in their Southern Appalachian landscapes (USDA zones 6 and 7). One of the newbies is Alaska cedar (Chamaecyparis nootkatensis),  a wonderful medium-sized evergreen tree from the west coast of North America. Alaska cedar matures into a graceful pyramidal tree form. Long pendulous flattened sprays of  bluish green needles drape from […]

Rosebay Rhododendron for Cool Shady Landscapes

Rosebay Rhododendron (Rhododendron maximum) grows in dense woodland shade along cool mountain streams and on moist, rocky slopes. This Southern Appalachian native is extremely winter hardy to -15° to -20° F. It is a late-season bloomer reaching its peak around late June. Rosebay grows large, 15 to 20 feet in height. On some sites it […]