… spikes of hooded, 2-lipped, deep pinkish purple flowers on plants that slowly increase in width over time. This wild species collected by members of the Garden's staff from the … the root system of black walnut trees that impedes the growth of many species of plants. Plant in average soil in full sun and water the first year until the root system is established. …
Type: Garden Guide Plant
… NORTHERN CHARM™ boxwood features deep green foliage with a bluish cast in summer that changes to a rich black-green in mid-winter. It is notable for its excellent cold hardiness, compact, oval-rounded habit, … Growers Association of Northern Illinois formed to promote plant cultivars that perform well in northern Illinois. This variety was selected by Wilson Nurseries, Inc. of Hampshire, IL. …
Type: Garden Guide Plant
… Orange Mum Like it's cartoon namesake, this mum is tough with strong stems that hold up well in heavy rains and high winds. Double orange flowers with a greenish-bronze eye begin early in the season (late August) and continue to the end of October (or later - depending on first date of hard freeze). Plant them while still in green bud, showing no color, to allow their root system to get established for best results. …
Type: Garden Guide Plant
… 8 to 10 feet and produces large, single, creamy white, 6 to 8-inch flowers with yellow centers in early summer to early fall. It flowers on old wood in the spring and then again on the new season's growth and is a member of clematis pruning group 2 or 3. A hard pruning in the late winter to early spring will delay flowering until the fall. It is attractive grown …
Type: Garden Guide Plant
… Originating in Northern China, eastern Mongolia, and eastern Siberia, downy clematis is an especially hardy … and wind and can be sited on north or northeast facing walls. It grows 6 to 10 feet and blooms in the spring, producing many lavender-bluish flowers in varying lengths, giving it the appearance of a double flower. This clematis makes an ideal …
Type: Garden Guide Plant
… From July to September it features 4-inch bluish-purple flowers with creamy centers. Plant in full sun to partial shade, and prune it to the ground in early spring. While it can be trained to climb on a support, it is most effective when used as … rather than a climber. Grow it through large shrubs, over old tree stumps, or on the ground in a perennial border. …
Type: Garden Guide Plant
… with lighter foliage or brilliant colors. Like most elephant ears Kona Coffee is not hardy in the Chicagoland area and can either be overwintered indoors, or the rhizomes can be dug up in the fall, stored in a cool dry place and replanted the following season. …
Type: Garden Guide Plant
… African glory bower ( Clerodendrum splendens ) climbs up to 10 feet in height by twining around a support. The tips of the branches are graced with a large number of … This native of tropical West Africa begins to flower as soon as the days start to lengthen in late December and continues until sometime in May. It adapts well to the home environment, requiring only a brightly lit exposure and …
Type: Garden Guide Plant
… ROVER™ dogwood is a shrub that has purple leaves during the summer which turn bright red in the fall. RED ROVER™ is a rounded shrub that grows to about 4-5 high and 4-5 feet wide. In the summer it bears white flowers that are loved by pollinators such as butterflies and bees as well as birds. These turn into blue fruits that provide fruit for birds in the fall. Like many dogwoods, RED ROVER™ tolerates damp conditions and is useful as a …
Type: Garden Guide Plant
… plains of South America. Giant clumps of grass produce flower spikes that can reach 12 feet in height. Ivory Feathers® pampas grass ( Cortaderia selloana 'Pumila') is a dwarf selection that … clumps 5 feet tall, with feathery ivory flower spikes to 8 feet tall. It is not winter hardy in the Chicago area. In warmer climates such as California, Hawaii, and New Zealand, it has proven to be an aggressive …
Type: Garden Guide Plant