… an original tree selected for its resistance to bronze birch borer. It is considered distinct in the trade from Whitespire gray birch, a related cultivar that may be propagated from seed and … or may not be as resistant to the birch borer. Both cultivars are more tolerant of the heat in the Chicago region than other varieties of white-barked birch. About half of the birch trees … susceptibility to bronze birch borer infestations, birch trees can be challenging to cultivate in the Chicago region. The genus Betula includes an indeterminate number of species of the birch …
Type: Garden Guide Plant
… from seed and may or may not be resistant to the bronze birch borer. It is considered distinct in the trade from Whitespire Senior gray birch, a related cultivar propagated by tissue culture … for its resistance to bronze birch borer. Both cultivars are more tolerant of the heat in the Chicago region than other varieties of white-barked birch. About half of the birch trees … susceptibility to bronze birch borer infestations, birch trees can be challenging to cultivate in the Chicago region. The genus Betula includes an indeterminate number of species of the birch …
Type: Garden Guide Plant
… basic form of the flower, which consists of three petals surrounded by three sepals -- often in dramatic and contrasting colors and in a variety of shapes and sizes. Although some orchids are native to temperate zones, most … derive moisture and nutrients from the air and support from another plant; few orchids grow in soil. Orchids usually prefer a diurnal temperature fluctuation -- meaning warmer days and …
Type: Garden Guide Plant
… see children at Camp CBG, along with their counselors, busy exploring or, at midday, resting in the shade. Nearby is a service road with a gate that bars all but official Garden vehicles; … Bergmann, David, and Gaussen elms. The Skokie River valley is a continuing experiment in how to use low-impact, natural methods to improve water quality, restore floodplains, and … bridge in circular form, then curving gently northward to follow the lakeshore, is the Bernice E. Lavin Plant Evaluation Garden — also home to the Garden’s perennial plant breeding program. …
Type: Walks
… New! In this live demonstration class, learn how to make and assemble boxes and other various hive …
Type: Item Detail
… not be eaten, they are safe to add to the compost pile. The oxalic acid degrades rapidly in the pile and has no impact on compost quality. …
Type: Plant Info
… at (847) 835-0972 or plantinfo@chicagobotanic.org for an updated list of service providers in your area. …
Type: Plant Info
… pink blooms from March through June followed by edible red, green, and black fruit. It belongs in a hedge or a border and is also attractive to birds. …
Type: Garden Guide Plant
… height of 2 feet under full sun or partial shade with dry to moderate moisture conditions. In late summer and early fall, it produces blue flowers that are attractive to butterflies. The …
Type: Garden Guide Plant
… can be trained on a trellis or allowed to arch up and over, creating an architectural element in the landscape. …
Type: Garden Guide Plant
