… 2012. The genus Quercus includes more than 600 species of the oak tree, of which 90 are native to North America; the Chicago Botanic Garden's collection contains more than 60 varieties and over 1,000 individual trees. Twenty oak species are native to Illinois. Oaks are slow growing, long lived, hard wood trees that produce fruit we all know as … (biennial). Oaks are often imposing shade trees at maturity and provide habitat and food for a variety of wildlife. …
Type: Garden Guide Plant
… U.S. The genus Quercus includes more than 600 species of the oak tree, of which 90 are native to North America; the Chicago Botanic Garden's collection contains more than 60 varieties and over 1,000 individual trees. Twenty oak species are native to Illinois. Oaks are slow growing, long lived, hard wood trees that produce fruit we all know as … (biennial). Oaks are often imposing shade trees at maturity and provide habitat and food for a variety of wildlife. …
Type: Garden Guide Plant
… The genus Quercus includes more than 600 species of the oak tree, of which 90 are native to North America; the Chicago Botanic Garden's collection contains more than 60 varieties and over 1,000 individual trees. Twenty oak species are native to Illinois. Oaks are slow growing, long lived, hard wood trees that produce fruit we all know as … (biennial). Oaks are often imposing shade trees at maturity and provide habitat and food for a variety of wildlife. …
Type: Garden Guide Plant
… ( Rosa 'Jacfrain') features 4-inch blooms that start out as apricot-orange buds, then open to softly tinted petals that are pink-orange at the tips with a yellow interior. The floribunda group are known for producing multiple, hybrid-tea-shaped flowers in sprays. Their dark green stems can grow up to 20 inches before they bloom, and the overall shape of the plant is upright, almost columnar. …
Type: Garden Guide Plant
… describe the color of JUBILEE CELEBRATION™ roses as a rich salmon pink. But there's more to it. The underside of the petals are tinted a soft, warm gold. And the fragrance evolves...from zesty lemon to a old world rose. It's also very free-flowering and a reliable rebloomer.This prize winner … against fungal problems may be a good idea if you can't give it full sun or it's too crowded for good air circulation. Roses, particularly repeat bloomers, are heavy feeders so fertilize in …
Type: Garden Guide Plant
… This evergreen spring flowering shrub grows to 4 feet in size when provided partial shade and moderate moisture conditions. It produces domes … soil pH. Acidic pH is not a characteristic of most Chicago area soils so care must be taken to incorporate peat into the soils, top dress with granulated sulfur, and fertilize with liquid products identified as appropriate for Rhododendron and other acidic-loving plants. The root system is comprised of a dense network …
Type: Garden Guide Plant
… Siberian fir is an evergreen tree native to the tundra and boreal forests of Siberia and northern China. The Russian name is Пихта сибирская. The tree grows into a nice pyramidal form, become more narrow as it grows to an ultimate height of over 100 feet. The flattened, one-inch needles are fragrant and green above, with two white stomatal bands beneath. The tree is used as lumber for framing and wood pulp, but is listed as Least Concern by the IUCN. The 3-4 inch cones grow …
Type: Garden Guide Plant
… monks. They attract a variety of butterflies and moths, and are the primary food source for Old World bees. Another common name, wolfbane, refers to the poison made from this plant's roots, which was used to tip hunting arrows. Medicinal (and poisonous) uses of this plant date back to ancient times. …
Type: Garden Guide Plant
… apples, or quince. Orange, rusty-colored spots appear on the upper surface of leaves in mid- to early July in the Chicago area. Short orange tendrils emerge from the infected spot on the … & Life Cycle During wet spring weather, spores are released from orange tendrils that appear to drip from galls on junipers. These spores are blown to hawthorns, apples, or quince where they … Early spring preventative fungicide treatment of hawthorns may be warranted in some cases. For recommended chemical treatments for rust, please contact Plant Information Services at (847) …
Type: Plant Info
… The sea grape tree is native to the tropical Americas and the Caribbean where it is found on the dunes and beach areas. While it can grow to be a large tree thirty feet tall or more, in cultivated landscapes it is mostly trimmed … be eaten raw or used in jams, or wine. The wood is used in carpentry and the sap has been used for the preparation of leather. Because of its salt-tolerance and ease of propagation it is …
Type: Garden Guide Plant