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  • … The hydrangea has come a long way from being just a popular Victorian shrub. Hybridization of certain species of hydrangea has … provenance in New England, the Pacific Northwest, and the more temperate areas of the South, to the flat gardens of the Midwest, where they are flourishing as both suburban and urban … in summer and fall. This stiffly upright shrub can attain heights of 4 to 6 feet, and grows best in a shrub border or in a lightly wooded area. The glossy, lobed, deep-green leaves in …
    Type: Plant Info
  • … with a single stem as a small tree.  In May it produces abundant white flowers. These give way to fruit that change from pink/rose to blue/black fruits with multiple colors persisting at the … home landscape due to their range of sizes and cultural adaptability. Some viburnums are noted for their fragrant flowers; most bear small fruit that may add visual interest. Many viburnums …
    Type: Garden Guide Plant
  • Unlike many other striking blue-flowered sages, this one is hardy in the Chicago area.  “It needs full sun and limited additional irrigation during the growing season,” says Boyce Tankersley, director of living plant documentation. “The flowers are visited by a wide array of pollinating insects and by hummingbirds as they begin their fall …
    Type: Plant Info
  • … Over the last few years, our horticulturists have been working with Cognitive Gardens, Inc., to install a state-of-the-art “smart garden” network. Cognitive Gardens specializes in applying … the data and enables gardeners to understand and respond to the plants’ immediate needs in a way never before possible. Tom Johnston, director of Horticulture, explains, “Now we know where … office at the south end of the Garden. Each morning, the supervisors check in with Hal-lie and get a download of messages from the plants in their gardens and a list of chores. This saves the …
    Type: Blog
  • … Native to southern India and Sri Lanka, cardamom occurs in the understory of tropical rainforests and … paler beneath. The white flowers develop on separate stems growing along the ground and give way to the oblong fruit capsules that contain 15 to 20 seeds. The seeds are used to flavor foods in all parts of the world and are mixed with betel leaves for chewing. Hardy to Zones 8 –11. Archived Copy: This content was captured before February 2022, …
    Type: Garden Guide Plant
  • … This clump-forming, tender (U.S.D.A Zone 7) evergreen shrub needs partial shade to full shade to reach a height of about 5 feet. In early spring it produces yellow flowers that give way to blue fruit. Archived Copy: This content was captured before February 2022, and is no …
    Type: Garden Guide Plant
  • … They’re blue, right? Not so fast. Blueberries have dark red pigments in their skin to match their reddish pulp. Researchers at the University of Bristol decided to unpeel the … that sunflowers growing together exhibited a “dancing” behavior, with flowers moving in a way that maximized their place in the sun—but without overshadowing (literally and figuratively … The Orchid Show: India Blooms , February 8 to March 23. Move over, wine lovers. Gardeners can get quippy, too. Ever notice that wine lovers have no shortage of merchandise bearing snappy …
    Type: Blog
  • … rarely suffers from aphids or spider mites. However, greenhouse- grown plants are susceptible to these pests and will need to be grown in full sun and the foliage rinsed off several times a week to prevent infestations … in the evenings, when the combination of light-colored flowers and fragrance are an attractant for a number of moths; during the daytime hummingbirds and butterflies are the primary visitors. …
    Type: Garden Guide Plant
  • … Summer is a social time, filled with friends, family, and sunshine—but what if you want to slip away on your own? A growing body of research shows that solo trips outside, away from … your thoughts Daniel F. and Ada L. Rice Plant Conservation Science Center Green Roof Garden To get away from it all, head to our Green Roof Garden on the Daniel F. and Ada L. Rice Plant … love seat—one of eight at the Garden as part of our summer celebration Love in Bloom ; look for nature-based poetry on each tête-à-tête bench. As you settle in at The Rookery, treat …
    Type: Blog
  • … Twist™ weeping redbud. This beautiful bloomer offers a lesson in how plants are bred for consumers. This particular cultivar was found as a chance seedling in 1960 along a road in upstate New York by a gentleman who transplanted it to the home of his sister, Connie Covey. Many years later, Covey's neighbor decided not to remove … local nurseryman contacted an Ohio nursery known for its skill in propagating woody plants to get one plant as a gift. The Ohio nurseryman became entranced with the plant and purchased it …
    Type: Garden Guide Plant