Thunderhead Japanese Black Pine (Pinus thunbergii ‘Thunderhead’) is a dwarf compact form of Japanese black pine (USDA hardiness zones 5b-8). Expect this slow-growing conifer to reach 5 feet high and 4 feet wide in 10 years. Whereas Japanese black pine grows 60 to 80 feet tall, Thunderhead matures to 20 to 25 feet in height […]
Archive for the ‘Regional’ Category
Hepaticas Bloom In The Early Spring Garden
Hepatica (Hepatica spp), from the Latin word “Hepaticus” meaning liver, is sometimes cataloged as “Liverleaf” or “Liverwort” (USDA hardiness zones 4 – 9). It is one of the first spring wildflowers to bloom (March-April). H. americana, native to the eastern U.S. and Canada, bear showy white flowers that are sometimes tinged pink or blue. H. […]
Christmas Ferns Are Easy To Grow
On a woodland hike in the eastern U.S., lush colonies of evergreen Christmas fern (Polystichum acrostichoides) flourish along the moist slopes (USDA hardiness zones 3 to 8). This native perennial fern favors either a deep or light shade environment. A vigorous clump may grow 18 – 24 inches in height and width. Set new plants […]
Winter Sap Bleeding From Trees Not Harmful
Winter can be a cruel period for trees. Day-night temperatures may wildly fluctuate and drying winds tend to injure tender buds. Maples (Acer spp.), flowering dogwoods (Cornus florida), birches (Betula spp.), yellowwoods (Cladrastis kentukea), walnuts (Juglans spp.) and elms (Ulmus spp.) are “bleeders”. The sap pressure inside branches is highest during the winter months. If any […]
Nativars – New Cultivars Of Native Plants
Nativar is a new term coined by Dr. Allan Armitage, Professor Emeritus from the University of Georgia. It combines the words “native” and “cultivar”. Nativar refers to a cultivar of a native plant. It attempts to excite the horticultural marketplace about new cultivars of native perennial plants, such as blackeyed Susan (Rudbeckia spp.), purple coneflower […]
Are Your African Violets Looking OK?
African violets (Saintpaulia ionantha) are easy to grow flowering house plants. Modern day varieties sold at supermarkets and plant shops often bloom 8-9 months a year. Lighting needs are minimal, either from indirect sunlight from an east-facing window or under special “grow lights” 12 hours daily. African violets prefer water at room temperature (65-75 °F). […]
Moving Large And Mature Trees
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 […]

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