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  • … Wisteria grows to 25 feet and requires proper pruning for the maximum number of flowers. It is a recommended alternative to Chinese wisteria ( W. sinensis ), which is on the watch list for potentially invasive species. …
    Type: Garden Guide Plant
  • … In Northern and Midwestern gardens, much emphasis is placed on four-season gardens, with great praise showered on those plants that provide interest when it is least expected. Think of the shrubs that flower not in spring but in late summer, bulbs that … gardens structure and quiet beauty every day of the year — the conifers. Among the conifers is a strong spruce, the Serbian spruce,  Picea omorika . This is a versatile tree, able to stand …
    Type: Plant Info
  • … Susceptible Plants Lawn grasses Description & Symptoms The annual white grub is the most common grub that causes lawn damage in Illinois. The large C-shaped, creamy white grub with three pairs of legs and a dark head is the larval stage of the masked chafer beetle. Unlike the Japanese beetle, which has a similar … they chew on grass roots. Grubs are especially prevalent in sunny lawns near pavements. Damage is most severe from August to early fall. In dry summers, heavily irrigated lawns may suffer more …
    Type: Plant Info
  • … Q.  Is there anything that I can do to prepare my trees and shrubs for winter? A. The best thing that can be done to prepare your plants for winter is to make sure they enter the cold winter months with plenty of moisture.  It is easy and quite common to forget about woody plant maintenance as we clean up spent annuals and …
    Type: Plant Info
  • … The popularity of agave-based drinks like tequila and mezcal is at an all-time high in the United States. And that is bad news for agaves. As Hector Ortiz, Ph.D., plant conservation scientist at the Negaunee … the recent popularity of these drinks has fueled the expansion of agave monoculture—where land is cleared to grow a single species of agave, destroying the habitats of wild agaves and reducing …
    Type: Blog
  • … they may be present if your turf begins to brown and lifts easily off the ground. Minor damage is usually not cause for treatment. Pull back turf and check for white, C-shaped larvae with black heads. If more than 10 to 12 grubs are present in a square foot of soil, treatment is advised. Chemical controls vary in their timing. Homeowners can spot-treat small areas … at regular intervals over entire lawn. Plugs are left on lawns to decompose. Core-aeration is recommended to help rectify compacted soil, heavy thatch accumulation, and poor drainage. …
    Type: Plant Info
  • … are all native to lowland tropical jungles in and around New Guinea. Very high humidity is required with moderate to strong sunlight and well drained soil media. The orchid family … number of genera, each with its own unique characteristics. A common characteristic, however, is the basic form of the flower, which consists of three petals surrounded by three sepals, often … though the absolute temperature range (cool, intermediate, or warm) varies by genus and is consistent with their natural habitat. While requiring adequate sunlight for a stunning bloom …
    Type: Garden Guide Plant
  • … need shade from direct sunlight. From midwinter to early spring it produces purple blooms. It is not frost hardy (hardy to 50 degrees F). The orchid family consists of a large number of genera, each with its own unique characteristics. A common characteristic, however, is the basic form of the flower, which consists of three petals surrounded by three sepals -- … -- though the absolute temperature range (cool, intermediate or warm) varies by genus and is consistent with their natural habitat. While requiring adequate sunlight for a stunning bloom …
    Type: Garden Guide Plant
  • … produced from February through May at each leaf node along the cane (pseudobulbs). This orchid is a rare and expensive cultivar that only recently has been successfully micro-propagated using … number of genera, each with its own unique characteristics. A common characteristic, however, is the basic form of the flower, which consists of three petals surrounded by three sepals—often … nights—though the absolute temperature range (cool, intermediate, or warm) varies by genus and is consistent with their natural habitat. While requiring adequate sunlight for a stunning bloom …
    Type: Garden Guide Plant
  • … by a wide, white border are produced up and down the canes (pseudobulbs) of this orchid. This is a challenging plant for most homeowners to successfully maintain without the benefit of a … number of genera, each with its own unique characteristics. A common characteristic, however, is the basic form of the flower, which consists of three petals surrounded by three sepals—often … nights—though the absolute temperature range (cool, intermediate, or warm) varies by genus and is consistent with their natural habitat. While requiring adequate sunlight for a stunning bloom …
    Type: Garden Guide Plant