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  • … habit. Plants can grow to 3 feet by 3 feet on this Madagascar native that may be extinct in the wild. Its 5- to 6-sided fleshy, thorny stems are adorned with short, oblong leaves. The … red anthers. At the Chicago Botanic Garden, crown-of-thorns bloom all 12 months of the year in the greenhouses. Plants require full sun, moderate temperatures, and low humidity. The milky … native "bleeds" when stems are cut; the bleeding can be stopped by immersing the stems in warm water. The Euphorbiaceae is a very large family, containing more than 2,000 species, …
    Type: Garden Guide Plant
  • … roots and grow to 2 feet tall, bearing thick, green leaves. Native to Tanzania and hardy in USDA Zones 9b-10b, the easy-to-grow Euphorbia neococcinea thrives in bright light and well-drained soil. Outdoors during Chicago summers, it is drought tolerant and resistant to deer. It also does well indoors in a sunny location. However, the seeds and all other parts of the plant are poisonous if eaten. …
    Type: Garden Guide Plant
  • … features multiple inner segments that can vary from neat and uniform size to very irregular in size and shape. The fragrance of honey fills the air when these come into flower in very early spring. While the honey- scented nectar feeds bees and other insects, the doubling … trees leaf out. A member of the Amaryllidaceae (Amaryllis family), 'Flore Pleno' has compounds in the sap and plant tissues that repulse deer and rabbits. …
    Type: Garden Guide Plant
  • … a maidenhair fern frond. It is one of the most pollution-tolerant trees and works well in the city. Insignificant green flowers appear in the spring. Ginkgo has wonderful yellow fall color. It produces stout spurs along the … branches; these spurs and the stiff branches give the ginkgo a formal, stiff, spiky appearance in winter. Golden yellow fall color is outstanding. …
    Type: Garden Guide Plant
  • … bordered by a maroon line. This is a Louisiana Iris which stands 30 inches high and blooms in midseason. Louisiana Irises are native to the bayous and wetlands of the Gulf Coast where they … shade. Typically the flowers are quite large, wide and flat with distinctive gold markings in the center. The Louisiana hybrids are often hardy all the way north to Canada. Louisiana … flowers are excellent for cutting and are attractive to hummingbirds while resistant to deer. In 1981 Bryce Leigh received The Mary Swords DeBaillon Medal which is the highest award for an …
    Type: Garden Guide Plant
  • … but sterile flowers and small, fertile but non-showy ones underneath. The flowers emerge white in July, gradually take on a pink flush, and continue blooming into the fall. Strong stems hold … prevent them from drooping. The color of the flowers is not affected by the pH of the soil. In 2008 Silver Dollar received the Award of Garden Merit from the Royal Horticultural Society. It does well in full sun to light shade and is moderately drought – tolerant. It blooms on new wood, so the …
    Type: Garden Guide Plant
  • … rose colored veins.   The stalks stand 28 inches high and bear 4 to 5 buds each.  It blooms in early season, while the thin grass like foliage remains a highlight throughout the summer. In 2003 Strawberry Social was awarded Honorable Mention by the American Iris Society. Siberian … at the base of each fall that other iris groups have. Typically these irises grow together in thick clumps which keep out weeds. The classic 'Fleur de Lys' which has been a symbol of …
    Type: Garden Guide Plant
  • … blue style arms.  The base of the falls blends into brown.  It stands 28 inches high, blooming in early to mid season.  It may re-bloom.  In 1992 it received Honorable Mention from the American Iris Society. Siberian irises lack the … at the base of each fall that other iris groups have. Typically these irises grow together in thick clumps which keep out weeds, while the thin, grass like foliage remains a highlight …
    Type: Garden Guide Plant
  • … Rose, is native here, and throughout the prairies and meadows of the upper midwest. It blooms in clusters of pink and white single flowers (petal count: 5) with prominent yellow stamens … It won't surprise you to learn that like most natives, this is a vigorous, undemanding grower. In fact, it's hardy to Zone 3, - 35 degrees. And it's almost thornless...just some small prickles toward the base of older canes. It's also not fussy about soil, growing well in clay and sandy soils as well as garden loam. It even tolerates some shade and drought. A note …
    Type: Garden Guide Plant
  • … strongly tinged with on coral on opening, softening to a golden yellow over time. As it blooms in clusters, this means you often get both colors together, along with a strong whiff of its … to 12' long, you can train it up a wall or over an arbor. Use it as a free-standing specimen in an obilesk.  Like all roses, it need full sun and good air circulation. And since it reblooms in flushes, fertilize both at the beginning of the growing season and midsummer. …
    Type: Garden Guide Plant