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  • … 6 ft. The conical flowerheads are 6 to 12 inches with a mixture of showy but sterile flowers and smaller, fertile but non-showy ones. The flowers emerge white in July, develop pink overtones as they mature and continue blooms well into the fall. The name ‘The Swan’ may refer to the plant’s silhouette … flowers is not affected by the pH of the soil. The ’Swan’ does well in full sun to light shade and is moderately drought- tolerant.It blooms on new wood so the flowers are not susceptible to …
    Type: Garden Guide Plant
  • … ‘Black Beauty’ has deep raspberry blooms with a thin white line along the edge of each petal and a green star in the center. Delightfully fragrant, the 3-inch flowers appear in late July to … a lovely fragrance, although some people find it unpleasant at best. The unsurpassed grace and beauty of this lily make it a lovely addition to the garden. Lilies love full sun, but will … their roots from drying out. Lilies make an excellent cut flower with long-lasting blooms and buds that continue to mature and open after cutting. Archived Copy: This content was captured …
    Type: Garden Guide Plant
  • … a mad dog. Unlikely. But it is true that this rose's hips are unusually high in antioxidants and it was used for a variety of medical purposes over  the centuries. Even in the 40's, it … have also played a role in history. They're the basis for the rose used in European heraldry. And Shakespeare referred to it in A Midsummer's Night Dream. However, you might not want to grow dog rose in your back yard. It's vigorous and invasive, with canes that can reach 15 feet long. In fact, it can climb trees. It's also very …
    Type: Garden Guide Plant
  • … a fine-textured twiggy mounding habit. The small, simple leaves are generally lance-shaped and held close to the branch. Spring to early summer abundant blooms tend to be in white or pink tones, depending on the species and/or cultivar. While individual flowers are quite small, they occur in clusters of … best used in groupings in a shrub or mixed border, where they are valued as tough, reliable, and easy-care performers in northern climates. The Chicago Botanic Garden's collection includes …
    Type: Garden Guide Plant
  • … with a fine-textured twiggy mounding habit. The small simple leaves are generally lance-shaped and held close to the branch. Spring to early summer abundant blooms tend to be in white or pink tones, depending on the species and/or cultivar. While individual flowers are quite small, they occur in clusters of … best used in groupings in a shrub or mixed border, where they are valued as tough, reliable and easy-care performers in northern climates. The Chicago Botanic Garden's collection includes …
    Type: Garden Guide Plant
  • … Grows® is a plant introduction partnership of the Chicago Botanic Garden, the Morton Arboretum and the Ornamental Growers Association of Northern Illinois formed to promote plant cultivars … clay to sandy soils in contrast to most commercially available spiderworts that prefer shade and moist soils. The 1-inch-wide, vivid reddish-purple flowers are borne in great profusion in May and early June, literally covering the centers of the plants. Like all spiderworts, each flower …
    Type: Garden Guide Plant
  • … is in Division 2. It blooms in early to mid season with 3 ¾ inch flowers that open yellow and become white with age. The corona is very broad and shallow with a frilled mouth. The petals may be slightly reflexed. This early hybrid … that can be further hybridized with more cultivars than typically possible.The bulbs are toxic and will not be eaten by deer or rabbits. The name Narcissus comes from the Greek word for …
    Type: Garden Guide Plant
  • … to almost black color of its bark at maturity although the inner bark is yellowish orange and was once used as a source of yellow dye. It produces acorns biennially after up to 20 years … to North America; the Chicago Botanic Garden's collection contains more than 60 varieties and over 1,000 individual trees. Twenty oak species are native to Illinois. Oaks are slow … acorns take two years to mature (biennial). Oaks are often imposing shade trees at maturity and provide habitat and food for a variety of wildlife. Archived Copy: This content was captured …
    Type: Garden Guide Plant
  • … smaller flowers than the species. The unopened buds at the top of the spike are deep pink, and as they open they fade to a soft rosy-pink, with carnation pink anthers. They are best … in large groups because a single bulb could easily be over-looked. They are fully hardy and require no special care. After blooming, the flower stalks and tiny pairs of linear leaves will fade away. Be careful to note their location so you don't …
    Type: Garden Guide Plant
  • … middle of the twentieth century. This medium-sized shrub of an irregular habit is the first and last viburnum to bloom, with clusters of tiny pink buds that open to very fragrant white flowers in April and repeated blooms sporadically late in fall. The spring flowers emerge before the foliage and may be susceptible to late spring frosts. Viburnums are a versatile genus of multi-stemmed …
    Type: Garden Guide Plant