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  • … Siberian fir is an evergreen tree native to the tundra and boreal forests of Siberia and northern China. The Russian name is Пихта сибирская. The tree grows into a nice pyramidal form, become more narrow as it grows to … one-inch needles are fragrant and green above, with two white stomatal bands beneath. The tree is used as lumber for framing and wood pulp, but is listed as Least Concern by the IUCN. The 3-4 …
    Type: Garden Guide Plant
  • … upright oval tree that can reach a height of 50 feet with a spread of 35 feet. The sugar maple is an excellent shade tree for lawns and parks. Tiny yellowish-green flowers appear in spring … the leaves emerge. The tree's winged fruit, or samaras, matures in the fall. Autumn color is highly variable, ranging from yellow or orange to red, but it is always outstanding. One of the best known trees of eastern North America, sugar maple is as …
    Type: Garden Guide Plant
  • … Q. How do I determine the pH of my garden soil and why is it important? A. The pH of garden soil can be easily determined by using an inexpensive kit that can be purchased at hardware stores and large garden centers. Proper soil pH is particularly important to plants such as birch trees and hydrangea shrubs. Often, plants … exhibit nutritional deficiencies that can be addressed by a pH adjustment. The symbol pH is used to express a level of acidity or alkalinity. A pH reading of 7.0 is considered neutral, …
    Type: Plant Info
  • … for a range of insects, small mammals and birds, and even bison. Bad Hair Day switch grass is an upright grass of about 6 feet in height and 7 feet in width. The most notable feature is the upright stems, topped by the heavy pendulous panicles appearing in summer that are responsive to even light breezes and give rise to its name. Spring foliage is grayish-green, which turns a light yellowish-brown by summer and persists throughout the …
    Type: Garden Guide Plant
  • … Description: This rare southern visitor is the largest warbler species in the area and is often heard before being seen. …
    Type: Birding
  • … Description: This migrant species is very common throughout the Garden, but is often seen with yellow-rumps in open areas. …
    Type: Birding
  • … In the face of increasingly unpredictable winter weather, what is remaining constant, what is changing, and how is nature affected? Use winter-based phenomena to drive investigations around these questions. …
    Type: Item Detail
  • … ‘Golden Mop’ is a mounded, slow-growing, dwarf shrub that typically grows to 2–3 feet tall and as wide over … eventually maturing to as much as 5 feet tall. It features stringy, golden yellow foliage that is at its best in full sun. ‘Golden Mop’ can be grown in the border but is also easily adaptable to containers. …
    Type: Garden Guide Plant
  • … 'Venus' has flowers that open almost white and age to rose pink. It is separated botanically from florist mums and is now listed under Chrysanthemum x rubellum . It differs from standard mums in that it is fully hardy, with large, many-petalled daisy flowers with a yellow eye, and has a lax …
    Type: Garden Guide Plant
  • … Camassia cusickii is a North American bulb native to moist meadows in northeastern Oregon. Camassia is derived from the Native American name for this group of plants – quamash. Beautiful blue … ideal selection for Chicago area gardeners. Unlike its cousin, Camassia quamash , this species is not edible; its bulbs smell bad. …
    Type: Garden Guide Plant