Search

  • … Established roses need approximately 1 inch of water per week during the growing season. This is often provided by spring showers, but if there is not a sufficient amount of rainfall, supplement. Do not water unless the soil is dry; too much water will suffocate the roots. Apply a general-purpose fertilizer, such as …
    Type: Plant Info
  • … noticed that some of my evergreens have become discolored. Should I be concerned? A: It is normal for the foliage of some evergreens, such as arborvitae ( Thuja ) and boxwood ( Buxus ), to change color in cold weather. The different color of the foliage in such species is not indicative of a pathogen or cultural disorder; it is a normal response to winter temperatures. Species that are known to change color in cold …
    Type: Plant Info
  • … poor soils and varying moisture, but the flower buds may be tender on older cultivars. Pruning is best done immediately after flowering, giving new growth time to form flower buds. Never shear … ‘Meadowlark’ was developed as a cross between Forsythia ovata and Forsythia europaea. It is hardy to minus 35 degrees Fahrenheit. It grows up to 10 feet tall. 4월에 만개하는 포사이시아는 북반구에서 봄을 … 자연스러운 형태를 유지시켜주는 것이 아름답습니다. Archived Copy: This content was captured before February 2022, and is no longer being updated. …
    Type: Garden Guide Plant
  • … often the first flowers to appear in the Chicago garden. The purple Christmas rose hellebore is native to the Carpathian mountains of central Europe where it grows in full sun in open grassy … meadows. In general it grows into a low mound about twelve inches tall and wide. The foliage is leathery and dark with serrated leaflets that are evergreen throughout the winter except in … cool, moist soils with a high organic content but are very adaptable requiring only that the site be well-drained. Typically they are planted in woodland settings under deciduous trees where …
    Type: Garden Guide Plant
  • … Charles Darwin™ English shrub rose ( Rosa 'Auspeet') is a selection of the David Austin English shrub roses which grows to 4 feet in height and … heaven. This cultivar produces some of the largest of the roses in the David Austin series. It is best grown in full sun with room to grow to its full height, and space around it for air … of tropical mountains. Archived Copy: This content was captured before February 2022, and is no longer being updated. …
    Type: Garden Guide Plant
  • … The white oak is the state tree of Illinois. It was the dominant tree in the oak savannas common in … often into the winter. Fall color varies with year from brown to a wine-red. This majestic oak is noted for its longevity, with trees over 300 years old not uncommon. The genus Quercus … for a variety of wildlife. Archived Copy: This content was captured before February 2022, and is no longer being updated. …
    Type: Garden Guide Plant
  • … Ballerina Allegheny serviceberry is a hybrid developed in the Netherlands in 1980. Its white flowers are more abundant and slightly larger than the species while its overall stature is somewhat smaller. Abundant spring flowers lead to abundant summer berries. The foliage emerges … and over 450 plants. Archived Copy: This content was captured before February 2022, and is no longer being updated. …
    Type: Garden Guide Plant
  • … European bluestar is one of the few amsonia species native to Europe (Turkey and Greece) rather than North America. It is a drought tolerant variety with the classic blue flowers, slender leaves and good fall foliage … century American colonist. Archived Copy: This content was captured before February 2022, and is no longer being updated. …
    Type: Garden Guide Plant
  • … the plant with a billowy cloud of white. A sweet, dark purple fruit maturing in midsummer is highly prized by birds and people. Its fall color is rangrs from yellow to orange to red. Members of the genus Amelanchier offer four seasons of … and over 450 plants. Archived Copy: This content was captured before February 2022, and is no longer being updated. …
    Type: Garden Guide Plant
  • … its distinctive horizontal branching habit appears to belong in a Japanese garden, though it is a native species. Its scientific name Cornus alternifolia indicates that its leaves alternate … early June and are followed by bluish-black fruit in July, much beloved by birds. Fall foliage is golden orange. Members of the genus Cornus , commonly known as dogwoods, are welcome in the … and over 2,400 plants. Archived Copy: This content was captured before February 2022, and is no longer being updated. …
    Type: Garden Guide Plant