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  • … exhibit orange-brown exfoliating bark. It prefers full sun in well-drained soil and will grow to 10 feet tall by 3 feet wide in 10 years. It is extremely cold-hardy to minus 50 degrees Fahrenheit, and is appropriate for USDA zone 2. Archived Copy: This content was captured before February 2022, and is no longer …
    Type: Garden Guide Plant
  • … deciduous cultivar was developed at the National Arboretum and introduced in 1990. It can grow to a height of 40’ with a similar spread. It has mottled bark that provides winter interest. It prefers full sun in average, well-drained soil. It needs to be well watered until established, but does not tolerate constantly wet conditions. Dutch elm disease is usually not a problem for this tree. Archived Copy: This content was captured before February 2022, and is no longer …
    Type: Garden Guide Plant
  • … display in May (typical) and in August. This chance seedling was discovered when it was found to be in full bloom in August. Plant in full sun, average soils, and provide an arbor or tree for it to climb on. Flowers are an honey bee and butterfly attractant but the foliage repels deer and …
    Type: Garden Guide Plant
  • … impacted by a biocontrol weevil. I am also interested in developing measures of success and best practices for  ex situ  plant conservation programs, from collecting genetically diverse seed accessions to minimizing genetic change during storage and increasing likelihood of success of restorations. …
    Type: Staff bio
  • … of Eastern ninebark that has dramatic foliage that emerges as bright golden yellow, matures to lime green, and becomes golden bronze in the fall. Eastern ninebark is a deciduous shrub that is native to the south-eastern parts of North America, where it is found along streams and in dry areas such as woodlands and rocky areas. Ninebark is named for its peeling bark on mature branches which reveal lighter bark underneath, although this is …
    Type: Garden Guide Plant
  • … REDWING® American cranberrybush viburnum was selected for its densely branched form, good growth rate and attractive, red-tinted new foliage. This … the Morton Arboretum and the Ornamental Growers Association of Northern Illinois formed to promote plant cultivars that perform well in northern Illinois. This variety was introduced in … in Wisconsin. Viburnums are a versatile genus of multi-stemmed shrubs that are well suited to the home landscape due to their range of sizes and cultural adaptability. Some viburnums are …
    Type: Garden Guide Plant
  • … Tom Soulsby is the senior horticulturist for the Rose Garden, Heritage Garden, and Linden Allée. He is responsible for curating and … his passion for horticulture excellence.   As a lifelong gardener, some of Soulsby's best horticulture education has come from practical hands-on gardening that included working as a child alongside his dad. His love of gardening carries over to his own home.   Before pursuing his passion for public horticulture, Soulsby was a director at …
    Type: Staff bio
  • … of three deep green leaves. As the plant ages, the white, wavy-edged flowers will often fade to pale rose. A member of the lily family and native to eastern, southeastern, and midwestern states, trillium grows happily in heavily composted, … effectively killing the plant, since the rhizome is left with no means to produce food/energy for future growth. Gardeners interested in establishing wildflower gardens should make a point to
    Type: Plant Info
  • … There is a Native American myth that is believed to have originated with the Onondaga tribe of the Iroquois nation of northeastern North America. … snorkel-like nose. A spiny soft shell The western painted turtle   Where do these turtles get their names? The map turtle gets its name from the pattern along the underside of the shell … be able to sniff out the answer. The turtles are egg-laying reptiles. Their eggs are probably best described as leathery-shelled ping-pong balls.  During the summer, the adult turtles will …
    Type: Blog
  • … yellow 'moth' orchid flowers are delicately veined in dark pink. One of the easiest orchids for home owners, they do well when provided bright light, roots are moistened every other day, and relatively high humidity. Fertilize with low doses of foliar feed during summer to build up enough energy to support large bloom spikes in winter. The orchid family consists of a large number of genera, …
    Type: Garden Guide Plant