… The black oak gets its common name from the deep brown to almost black color of its bark at maturity although the inner bark is yellowish orange and was … years of growth. Rarely seen in commerce, the black oak can be found in dry uplands but does best in richer, moister soils. The genus Quercus includes more than 600 species of the oak tree, … (biennial). Oaks are often imposing shade trees at maturity and provide habitat and food for a variety of wildlife. …
Type: Garden Guide Plant
… The soft pink, semi-double flowers of this alba hybrid have a bit of a wild rose look to them. And THE LADY'S BLUSH® does display the hardy vigorous nature of her ancestry. But with … resistance of modern roses. Like all roses, the more sun you give it, the more flowers you'll get in return. Remember that even the most disease resistant roses need help fighting fungal … good air circulation. Also, all roses, particularly repeat bloomers, are heavy feeders, so for best performance fertilize in spring and again in mid-summer. …
Type: Garden Guide Plant
… in establishing and sustaining horticultural therapy programs. These programs are designed to advance individual and group treatment plans or to engage people with disabilities and older … requires completion of an application and a brief telephone interview two months prior to your visit. The study tour is offered from May to October. Session Length The study tour can be scheduled for a minimum of one eight-hour day or a maximum of two eight-hour days. Typically, daily hours …
Type: Page
… winter months, but will usually close during the growing season. It is common for these cracks to reopen the following winters and close again in the summers. While these cracks can allow … tree, there is no treatment specifically for frost cracking. Keeping the tree healthy is the best way to protect it from decline. Focus on supplemental watering and avoiding compacted soils …
Type: Plant Info
… plant performance in this most challenging of growing environments. The study has led to the publication of Plant Evaluation Notes , highlighting the most extensive list of best plants for green roofs in Zone 5. Press Release The Chicago Botanic Garden has released the results of … has led to the publication of Plant Evaluation Notes , highlighting the most extensive list of best plants for green roofs in Zone 5. Press Release The Chicago Botanic Garden has released the …
Type: Page
… The Chicago Horticultural Society The Chicago Botanic Garden continues to strive to meet the lofty goals set more than a century ago. The Garden, with its world-renowned plant … and displays, is one of the country's most visited public gardens and a preeminent center for learning and scientific research. The second show hosted by the Horticultural Society of … The Chicago Botanic Garden continues to strive to meet the lofty goals set more than a century ago. The Garden, with its …
Type: Page
… scientist here at the Chicago Botanic Garden. I have an incredible job that allows me to work with many wonderful graduate students and a team of researchers to study ways to restore … partners, including the Bureau of Land Management, we are studying which native plants may be best able to handle these growing threats (we refer to them as “native winners”). The ultimate … no small task. The invasive species that the native plants are up against are very impressive. For example, Russian knapweed is allelopathic (prevents other plants from growing nearby), and it …
Type: Blog
… learn about our magnificent Illinois native plants and the wildlife that depend on them. Dress for the weather. Carly Zoladz, labeling coordinator, Chicago Botanic Garden Meet at Carillion …
Type: Item Detail
… Garden is observing a great blue heron standing in one of the lakes. The great blue stands 4 to 4 1/2 feet tall and has a blue-gray back; long, gray neck; and black and white throat. The … for their dinner. When they see their parents return from their food-finding forays, the young get louder until mom or dad lands on the nest and regurgitates morsels of food into gaping … its prey, the heron has to flip it until it's in the right position to go down the long way. The heron's throat bulges as the fish slides down. Sometimes the great blue heron's eyes get …
Type: Birding
… might be a gall, or an injury that had healed-over. On closer inspection, the lump turned out to be a ruby-throated hummingbird nest from last summer. Although I see hummingbirds regularly … they are just large enough to hold the one to three navy bean-sized eggs of the hummer. For the pint-sized bird to be able to keep the tiny eggs warm during incubation requires that the … or triple the amount of room necessary to hold the family. One of the ways the hummingbirds get around this need for flexibility is that they construct the nest of soft plant fibers and …
Type: Blog
