… of cultivars developed by Bartels Breeding in Aalsmeer, the Netherlands. It was selected for its rich purple flowers, compact bushy habit, and fragrant flowers that bloom late into the season. The queen of phlox, this species is a tall perennial native to lightly shaded woodlands of eastern and central North America. Showy midsummer flowers grow in large, conical panicles, with hundreds of five-petaled blooms atop each 2- to 3-foot stem, from July to September. In hot, humid weather, mildew may develop on the leaves. …
Type: Garden Guide Plant
… that naturalize in Chicago-area gardens, it prefers a shady moist position but its ability to enter summer dormancy makes it remarkably tolerant of heat and drought. It is free of most insect and disease pests. Primula sieboldii is native to swampy meadowlands in Japan, eastern Siberia, Korea, and Manchuria, where it experiences … alternating with summer time heat and droughts – an environment similar to that of Chicago. For more than 400 years this species has held an almost cult-like status with the gardeners of …
Type: Garden Guide Plant
… oak. 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 over 1,000 individual trees. Twenty oak species are native to Illinois. Oaks are slow growing, long lived, hard wood trees that produce fruit we all know as … (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 before February 2022, and is …
Type: Garden Guide Plant
… 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 over 1,000 individual trees. Twenty oak species are native to Illinois. Oaks are slow growing, long lived, hard wood trees that produce fruit we all know as … (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 before February 2022, and is …
Type: Garden Guide Plant
… three or four feet in a year and reach sixty feet tall and eighteen feet wide. It is adaptable to a wide range of conditions and is very hardy so is a very popular tree for hedges and screens. Green Giant has a pleasing pyramidal form when allowed to spread so allow at least six feet between trees and consider planting a double row to give …
Type: Garden Guide Plant
… In fall, from mid-September to mid-October, this hardy perennial is covered with creamy white chrysanthemum-like flowers. The … in full sun and in average soil. At 20 inches in height, this Asian native plant does not need to be staked. The study of the DNA of the Asteraceae (aster family) has resulted in many changes. This species, for instance, has been assigned to a number of other genera over time including Asteromoea and …
Type: Garden Guide Plant
… winter months. In locations with low humidity and lots of sun, this bouganvillea can be coaxed to bloom year-round. With a compact (maturing at 4 feet in height and width) and slow-growing … in a large container, if Chicago-area homeowners have a frost-free, sunny location in which to site it. The Garden's Miss Alice™ paper flower is being trained to cover a low fence … are almost entirely pest-free and have very low watering needs, making them a great pick for a larger container plant. Archived Copy: This content was captured before February 2022, and …
Type: Garden Guide Plant
… the species with a height of 15' and a spread of 12'. New foliage emerges red then transforms to pink and finally deep green. While the white flowers in May are typical of the species, this … red and yellow. 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 noted for their fragrant flowers; most bear small fruit that may add visual interest. Many viburnums …
Type: Garden Guide Plant
… Jonesboro Giant ironweed is a form of a perennial plant that is native to the eastern parts of the US where it grows in locations that are consistently moist. It bears large bracts of smallish bright purple flowers in late summer to mid-fall providing an unusual pop of tall color in the late season. Jonesboro Giant grows to a … conducted at the Chicago Botanic Garden, Jonesboro Giant ironweed received a good rating for growing in local conditions. Archived Copy: This content was captured before February 2022, …
Type: Garden Guide Plant
… Beautiful five-to-nine-lobed leaves emerge early. The plant grows 10 feet in height with a spread exceeding its height, and it is highly admired for its wonderful horizontal branches. Use the Japanese maple as a specimen plant. May and June … a cut-leaf or lace leaf variety of Japanese maple. Its foliage emerges deep purple, maturing to purple red and turning a bright red in the fall. This lovely small tree, native to the Far …
Type: Garden Guide Plant
