… Q. Is it necessary to regularly fertilize my trees and shrubs? If so, how often should it be done? … trees and shrubs do not require synthetic fertilization unless a nutrient deficiency is observed. In addition, normal leaf color and size, as well as annual growth will also dictate whether or not fertilizer needs to be applied. Being familiar with normal plant growth is an important step to determine if the plant will benefit from additional fertilization. A two- …
Type: Plant Info
… Box elder is a much maligned species of maple with compound leaves, usually trifoliate, but with up to seven leaflets. Although it is a native throughout much of North America, it is not often used in the landscape because of its weak branches and often irregular habit. It is …
Type: Garden Guide Plant
… Dense St. Johnswort is a Danish cultivar whose showy golden blooms flower from July through September—much longer than other Hypericum . One of the parents of this cultivar, Hypericum kalmianum , is endemic to the Great Lakes region of the United States. This low-maintenance perennial forms a … by 30 inches. It requires moderately fertile, evenly moist soil, and once established, it is relatively drought tolerant. This is not the species valued for its medicinal properties ( H. …
Type: Garden Guide Plant
… PRINCETON SENTRY® Ginkgo is a large tree selected for its upright conical form. It is a male clone, which will not produce the distinctive smelly fruit, and will develop into … but, due to its ultimate mature height, should not be planted under power lines. The Ginkgo is an ancient deciduous conifer and evidence has been found which shows this tree coexisted with …
Type: Garden Guide Plant
… Ginkgo, introduced by the Saratoga Horticultural Foundation, Inc. in San Martin, California, is a male clone that will not produce the distinctive smelly fruit. It has unusually large and … Saratoga Ginkgo has symmetrical branching and matures into full, dense, pyramidal form. It is slightly smaller than other selections, but not a dwarf. It is about one-half to two-thirds the size of the Autumn Gold Ginkgo. Saratoga Ginkgo has the …
Type: Garden Guide Plant
… 'Sun Stream' is a small Ginkgo with green and yellow variegated leaves. The yellow stripes on the leaves are irregular and fade to a cream as the leaf matures. It is reported that this variegated form shows less tendency toward reversion to an all green leaf, … variegated forms. Sun Stream Ginkgo was first introduced by Oregon Nurseryman Gary Handy, it is a semi-dwarf, becoming a broad oval shrub like tree about 8 feet tall in ten years, and has …
Type: Garden Guide Plant
… Magyar Ginkgo is a large tree selected for its fast growth, strong central leader and upright form. It is a male clone, which will not produce the distinctive smelly fruit, and will develop into … to a large 50' by 30' tree. Its narrow shape makes it work well as a street tree. The Ginkgo is an ancient deciduous conifer and evidence has been found which shows this tree coexisted with …
Type: Garden Guide Plant
… shelter for a range of insects, small mammals and birds, even bison. Cheyenne Sky switch grass is an upright grass of about three feet in height and about two feet in width. Spring foliage is a bluish-green which turns dark maroon by summer and persists throughout the winter months if the plant is not cut back. Like most switch grasses, Cheyenne Sky is extremely versatile and can cope with …
Type: Garden Guide Plant
… shelter for a range of insects, small mammals and birds, even bison. Cloud Nine switch grass is an tall upright grass up to seven feet in height and about two to three feet in width. Spring foliage is a bluish-green which turns yellow-brown by fall and persists throughout the winter months if the plant is not cut back. Like most switch grasses, Cloud Nine is extremely versatile and can cope with a …
Type: Garden Guide Plant
… shelter for a range of insects, small mammals and birds, even bison. Haense Herms switch grass is an upright grass of about six feet in height and three feet in width. Spring foliage is a bluish-green which turns tan by fall and persists throughout the winter months if the plant is not cut back. Like most switch grasses, Haense Herms is extremely versatile and can cope with …
Type: Garden Guide Plant
