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  • … soil. Acorns are produced annually.  The chinkapin oak is also known as the chestnut oak due to a similarity in leaf shape with the chestnut tree. The genus Quercus includes more than 600 species of the oak tree, of which 90 are native to North America; the Chicago Botanic Garden's collection contains more than 60 varieties and … (biennial). Oaks are often imposing shade trees at maturity and provide habitat and food for a variety of wildlife. …
    Type: Garden Guide Plant
  • … Here in the North, we tend to think of bromeliads as somewhat rare and exotic. In Brazil, this one grows on trees. The most … lip of a vase. The bloom, though short-lived, is lovely, with pinkish maroon bracts that open to reveal lavender-blue flowers. It’s quite easy to care for as a house plant. Just don’t pamper it. Remember it’s a tree dweller, so it needs …
    Type: Garden Guide Plant
  • … out at 4 feet in height, this phlox attracts butterflies and hummingbirds. It was selected for breeding and propagation by Karl Foerster, gardener to the Dutch royal family. This perennial is best grown in full sun or near the edge of wooded areas where they can benefit from good air movement (to reduce the incidence of powdery and downy mildews) and strong sunlight (to enhance the number …
    Type: Garden Guide Plant
  • … Birchleaf spirea is named for the shape of its leaves, which resemble those of the birch genus. White flowers appear in … clump-forming shrub may reach a maximum height of 3 feet.  The genus Spiraea consists of small to medium sized flowering shrubs 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, …
    Type: Garden Guide Plant
  • … the same vase-shaped, arching habit and abundant white flowers but in a size more suitable for many home gardens. The genus Spiraea consists of small to medium sized flowering shrubs 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, …
    Type: Garden Guide Plant
  • … cold, 'Oracle's' leaves develop purplish overtones.</p> And it's evergreen. <p>The common name for <em>Sedum</em> forsterianum 'Oracle' and its immediate family is stonecrop, probably because these mat-forming perennials are native to rocky outcrops on cliffs and mountains. This cultivar, forsterianum, comes from Western … with a lot of sun, a little water, and good drainage it's happy almost anywhere - green roofs to containers to rock gardens and perennial beds. needs full sun and moderate moisture conditions …
    Type: Garden Guide Plant
  • … conservatories. It requires full sun and moderate soil fertility—use acid fertilizers, similar to what is used for rhododendrons—and needs to be kept moist. The very large, silvery, felted leaves on a rounded shrub up to 7 feet make …
    Type: Garden Guide Plant
  • … You talk to your plants, right? You’re not the only one—48% of Americans do, according to a recent survey. … talk to their plants, one in five say they do so every day, according to the survey by Trees.com. The plant talkers mostly chat with their houseplants, but 62 percent also talk to their … Martian soil is next? Soil is a big deal at the Garden. So we were thrilled to hear that, for the first time, University of Florida researchers grew plants in soil from the moon. The …
    Type: Blog
  • … plein-air style, in the Garden's Arid Greenhouse that presents a huge variety of rare plants for inspiration. Students will work in the media of their choice (graphite, colored pencil, watercolor, pastel) with emphasis placed on achieving accurate studies leading to finished work featuring uncommon plants. Topics covered will include the value of plein air …
    Type: Item Detail
  • … it? A. Clematis wilt is a condition affecting many cultivars of this vine. Although damaging to portions of your clematis, the infection rarely kills the entire plant. Look for signs of wilting early in the season. Prune out the affected growth immediately. Often, …
    Type: Plant Info