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  • … The jack oak is a naturally occurring hybrid of the white oak ( Q. alba ) and the swamp white oak ( Q. bicolor ) native to the northeastern U.S. and Canada. 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 …
    Type: Garden Guide Plant
  • … Garden To-Do List Mulch garden beds Feeding compost heap Garden tools and supplies Protect garden beds … Anti-desiccant sprays Lawn Care Final fertilizing Bonus Force spring bulbs indoors   November is a great month to tuck your lawn and garden to bed for the season. Nighttime temperatures are dipping below …
    Type: Plant Info
  • … Dwarf Conifer Garden Even in the darkest days of winter, dwarf conifers hold fast to colors including blues and silvers and to thick, fragrant branches. On a gentle slope, tucked among boulders and nestled into the … and slower growing than other conifers. Conifers are plants that bear cones. Mostly native to the earth’s northern hemisphere, conifers have thin needle-like or scale-like leaves that help …
    Type: Page
  • … the pond from freezing solid. If the water surface freezes, pour boiling water over the ice to create a hole for aeration. Although hardy lilies can withstand the cold, they will die if their tubers freeze, so it is a good idea to monitor your pond constantly during extremely cold weather. …
    Type: Plant Info
  • … Ivy prefers bright light and rather cool indoor conditions. Water the soil when it feels dry to the touch and fertilize monthly during the growing season, using a dilute fertilizer of 5-10-5 … or 10-10-10. A regular misting with room-temperature water during the drying winter months is appreciated, as well as a regular washing of the foliage. If possible, move the topiary outside in the summer to a partially shaded location, but watch the increased need for watering at that time. …
    Type: Plant Info
  • … showy but sterile florets with a sprinkling of fertile florets around the outside. It grows 3 to 4 feet tall, blooming in June until fall with bright green foliage. It blooms in mid summer on new wood, and later in the summer it will bloom on old growth until fall. It is winter hardy to USDA Zone 5, but for added protection the plants can be sited in a sheltered location and …
    Type: Garden Guide Plant
  • … takes its name from the colors of the flowers which appear in July as white and then change to pink and then burgundy red. DIAMOND ROUGE is a compact hydrangea growing to only five feet tall and about four feet wide making it suitable for compact gardens.The …
    Type: Garden Guide Plant
  • … around the signals. The stems stand 40 inches high with multiple blooms on each stem. This is a pseudata iris, a cross between a Japanese iris ( Iris ensata ) and Iris pseudacorus . These … irises thrive in or near water but also do well in garden conditions. They are attractive to hummingbirds while resistant to deer. Although they are vigorous growers, they are sterile and will not spread in waterways. …
    Type: Garden Guide Plant
  • … Euphorbia polychroma , commonly called spurge, is a hardy perennial member of the same genus as poinsettia. Like its holiday cousin, its … in the genus Euphorbia , and they can be found around the world. In desert regions, they tend to be succulent long-lived perennials, or very short-lived annuals. In tropical regions, they range to small trees, vines, and shrubs, while in temperate zones they are most often herbaceous …
    Type: Garden Guide Plant
  • … This elegant bonsai specimen of the willow leafed fig has been in training for decades and is an integral part of the Garden's nationally recognized bonsai collection.  Trained in an … and in Japan are handed down within the family. Willow leafed figs are native to Africa from the southern end of the continent extending up into the central regions. Not exceptionally large at maturity they nevertheless are integral to a complex biodiversity in their native ranges where they are pollinated by exceptionally small …
    Type: Garden Guide Plant