Q. When should I plant my tender annual bulbs? A. It is safe to plant your tender bulbs after the average date of the last frost, which is approximately May 15 in the Chicago area. It is important not to work the soil while it is too wet. Soil should crumble when it is squeezed into a ball. If it doesn’t, then it is best to wait until it dries out a bit to avoid ruining the soil’s structure. …
Type: Plant Info
Blue dawn flower is a pantropical morning glory. It is a twining vine with large, blue funnel-shaped flowers, with purple in the throat, and fading to red-violet. The vines can reach 15 feet or more, and allegedly cover anything they can reach. The large leaves are three-lobed with a velvety texture. Blue dawn flower grows quickly, given ample water and heat. It is not hardy in the Chicago …
Type: Garden Guide Plant
… fee: $60 CPDUs: 15 Optional graduate-level continuing education credits are available from the Colorado School of Mines. Four-week courses are eligible for two credits ($95 fee). … . Current Courses Teaching Phenology and Climate Change (CSA 501) Share ideas and learn from other educators as you discover how studying the life cycles of plants (phenology) reveals … Now --> Future Courses Teaching Phenology and Climate Change (CSA 501) Share ideas and learn from other educators as you discover how studying the life cycles of plants (phenology) reveals …
Type: Page
… know that now is the time to plan for fall color in your garden. Nurseries and garden centers start receiving and displaying their stock in the next month or so, including the newest … wide Grape Expectations coral bells ( Heuchera 'Grape Expectations') pours on the color right from the start, emerging bright grape in spring, icing over with silver in summer, then going … over grey-green foliage, they give way to peach-colored seedheads. 16 to 18 inches, tall, 26 to 28 inches wide Firecracker sedum ( Sedum 'Firecracker') smolders with intense burgundy-red …
Type: Plant Info
… disease is a fatal fungal disorder spread by the elm bark beetle. The fungus can be carried from a diseased tree to a healthy one by the beetle, by the roots of an infected tree grafting … the vascular system of the tree to become clogged, preventing the flow of water and nutrients from the soil to the upper canopy of the tree. This manifests itself in the characteristic … These products are injected into the infected tree and the need for retreatment ranges from one to three years. Fungicides injected into infected trees are less effective. Fungicides …
Type: Plant Info
… found in many old-fashioned borders along fences. They form clumps of narrowly ovate leaves, from which emerge numerous leafy flower spikes two feet tall. Tubular lavender-blue flowers … very cold-hardy and can endure for decades due to their deep, thick roots. They will spread from the roots into colonies, but are not known to be invasive. This genus differs from true bluebells by the presence of a small ring surrounding the pistil at the base of the …
Type: Garden Guide Plant
… to the family’s home in Amherst, Massachusetts. Explore Dickinson's gardens through excerpts from her letters and poems, as well as historic and modern images of her garden. This class will …
Type: Item Detail
… a staple in perennial gardens. Calamagrostis × acutiflora ‘Karl Foerster’ by Daryl Mitchell from Saskatoon, Saskatchewan, Canada [ CC BY-SA 2.0 ], via Wikimedia Commons This hybrid of two … at his nursery in Potsdam-Bornim, Germany. The nursery focused on breeding hardy perennials from all over the world. Foerster successfully bred approximately 370 crosses, with a particular … Foerster’s Lasting Imprint on the World of Horticulture,” Cubits.org (blog), April 26, 2010, http://cubits.org/articlesongardening/articles/view/325/ . Van Sweden, James. …
Type: Blog
… paneer—an Indian cheese—in this hands-on cooking class. You will learn to create a variety of quick, flavorful dishes that showcase paneer’s versatility. Featured dishes include paneer bhurji …
Type: Item Detail
… several uses for Acacia longifolia include food (flowers, seeds, and seed pods), yellow dye (from the flowers), green dye (from the pods), and wood. The tree's bark has limited use in tanning, primarily for sheepskin. …
Type: Garden Guide Plant