… matter for years and is easily disseminated by water movement. Monitor your boxwood at least one a month. Leaf spots—light or dark brown circular lesions, often with a yellow halo Stem … circulation. Prune to increase air circulation. Sanitize pruning equipment before going from one plant to another. Lysol disinfectant works well. Water at a time of day that allows the …
Type: Plant Info
… provides a catalyst for further research on the health benefits of nature that will, in turn, support evidence-based recommendations for policy and programmatic decisions. These outcomes … the Tree? Identifying the Effects of Nature Teresa H. Horton, Ph.D., Northwestern University One way to make the Forest Preserves more inviting is by creating programs and policies that … and intuition. The Chicago Botanic Garden aims to serve as a laboratory to provide evidence to support programs that are successful and replicable. View a pdf of Barbara Kreski's presentation …
Type: Page
Q. Why do apple trees drop their fruit early? We have an old apple tree on our property that produces pocked, rotten apples. Is there way we can help the tree produce edible fruit? A. Some fruit trees will naturally thin themselves by dropping excess fruit prematurely. Often, a period of stress (a long, hot summer with very little rain) will cause a tree to abort its fruit in order to conserve …
Type: Plant Info
Q. I found some stored seeds from previous years. Can I use them this growing season? A. Many gardeners save previous years’ seeds, either from store-bought packets or harvested straight from the garden. Often, the reason for germination failure is sowing dead seeds. To test the viability of larger seeds, add them to a jar filled with water. The dead seeds will float, while the viable ones will …
Type: Plant Info
… flower and stem continue to float and the cut end of the stem remains under water for at least one-half hour. When the flower head hardens to a straightened position, the roses may be placed …
Type: Plant Info
… 9-11) and have epiphytic roots—meaning they derive moisture and nutrients from the air and support from another plant; few orchids grow in soil. Orchids usually prefer a diurnal … growth is from a single growing point. There is an exception to almost every general statement one can make about orchids. The family continues to challenge taxonomists. …
Type: Garden Guide Plant
… 9-11) and have epiphytic roots -- meaning they derive moisture and nutrients from the air and support from another plant; few orchids grow in soil. Orchids usually prefer a diurnal … growth is from a single growing point. There is an exception to almost every general statement one can make about orchids. The family continues to challenge taxonomists. …
Type: Garden Guide Plant
… 9-11) and have epiphytic roots -- meaning they derive moisture and nutrients from the air and support from another plant; few orchids grow in soil. Orchids usually prefer a diurnal … growth is from a single growing point. There is an exception to almost every general statement one can make about orchids. The family continues to challenge taxonomists. …
Type: Garden Guide Plant
… 9-11) and have epiphytic roots -- meaning they derive moisture and nutrients from the air and support from another plant; few orchids grow in soil. Orchids usually prefer a diurnal … growth is from a single growing point. There is an exception to almost every general statement one can make about orchids. The family continues to challenge taxonomists. …
Type: Garden Guide Plant
… 9-11) and have epiphytic roots -- meaning they derive moisture and nutrients from the air and support from another plant; few orchids grow in soil. Orchids usually prefer a diurnal … growth is from a single growing point. There is an exception to almost every general statement one can make about orchids. The family continues to challenge taxonomists. …
Type: Garden Guide Plant
