… will survive indefinitely. Specimens collected by Carl Linnaeus in the 1700s are still used for research today. The Chicago Botanic Garden has a small herbarium of approximately 21,000 … plant taxonomy (diversity and classification of plants). But herbarium collections can be used to address many other important subjects, such as movement of invasive species, climate … and extinction. Herbarium specimens are often a work of art. Sometimes they are challenging to prepare (for example, a cactus can be difficult!). Chicago Botanic Garden botanists Pat …
Type: Item Detail
… Monitor newly planted trees and shrubs for insects or disease. Succulent new growth is often the first area to be attacked by insects. Aphids can be hosed off foliage. Many sucking, piercing, and chewing … insects will finish feeding this month, leaving cosmetic damage but nothing serious enough to warrant chemical control. All gardeners should familiarize themselves with the Asian …
Type: Plant Info
… The bur oak is a native tree and broadly distributed throughout the Midwestern U.S. It is known to be tough and drought resistant -- and very large. While its size makes it impractical for most home landscapes, its resilience makes it a good choice for urban parks. The bur oak is one of the signature trees of the savannas characteristic of Illinois prior to settlement. A thick trunk supports the relatively short, muscular branches of the bur oak's …
Type: Garden Guide Plant
… Jamie Berlin is the horticulturist for the Lavin Evaluation Garden and Green Roof Gardens at the Daniel F. and Ada L. Rice Plant Conservation Science Center. The Lavin Evaluation Garden is home to the Garden's Plant Evaluation Program, featuring plants best suited for Midwestern gardens and those in similar climates. The Green Roof includes a south …
Type: Staff bio
… New! At this hands-on cooking class, learn how to make delicious gifts that are good to eat and fun to receive at any time of year. Discover how to make decadent truffles, and learn techniques for making a ganache and toasting nuts. Take home gift-sized portions of almond-cherry biscotti …
Type: Item Detail
… appear annually in the fall and are much relished by squirrels. The white oak holds its leaves for an extended period, often into the winter. Fall color varies with year from brown to a wine-red. This majestic oak is noted for its longevity, with trees over 300 years old not … 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 …
Type: Garden Guide Plant
… Crab grass control can be spread on lawns in early to mid-April before weeds germinate. For severe problems, a second application might be necessary in early June. …
Type: Plant Info
… 835-8333 Exclusive Travel Opportunity: The Gardens of Rome and Florence Join an exclusive tour to some of the most beautiful gardens in Europe with Kris Jarantoski, executive vice president … Botanic Garden. The tours (and all entry fees) of 11 gardens are included in a ten-day trip to Rome and Florence, from September 15 to 25, 2015, customized for Chicago Botanic Garden members in collaboration with Insight Vacations and Frosch Travel. …
Type: Event for Calendar
… habit that produces abundant fragrant white blooms and features exfoliating amber colored bark for winter interest. It is a Chicagoland Grows® selection. Chicagoland Grows® is a plant … the Morton Arboretum and the Ornamental Growers Association of Northern Illinois formed to promote plant cultivars that perform well in northern Illinois. This variety was developed at … tubular in form and are borne in large panicles. While the common name of the plant has come to define a shade of pale purple, some species and hybrids have pink or white blossoms. Lilacs …
Type: Garden Guide Plant
… a sight. The crossbill also has white wing bars and a slightly crossed bill, which enables it to extract seeds from cones. Wherever there are stands of spruces and other conifers, a flock of crossbills may be feasting. They always seem to be on the fly, so finding them at the Garden is more difficult than finding siskins and redpolls. This rare member of the finch family has a bill specialized for extracting seed from spruce cones. Their appearance at the Garden is associated with …
Type: Birding
