![]() We encourage you to request an appropriate shipping date for your area (when you place your order), or we will ship them at what we determine is the appropriate time for your area. This date is not set in stone as the actual weather at the time we ship your plants determines when we can ship your order. We start shipping plants to the south (first), but sometime after March 15th. Unearth all the rhizomes and roots for complete removal of this scrappy plant.Due to colder weather that may be present in your area, all plant orders purchased between January 1st and mid-March are purchased with the understanding that they will be held for shipment at a later, more weather appropriate time for your area. Mechanical removal is difficult, as the grass has tangled rhizomes that will regrow if left in the soil. It is a good idea to check with your local extension office to determine which herbicides will work best and will cause no harm to the environment. In highly invaded areas, you will have to resort to an aquatic herbicide. Controlling sedge weeds is important to sustain the wild, native populations and encourage the health of the ecosystem.įor the most part, controlling sedge weeds is easily accomplished by removing the flowers before they produce fruit and seeds. The African native plant will quickly colonize local areas and can endanger wild species of plants. ![]() Umbrella sedge weed is a problem in areas with moist, boggy, and natural terrain. This dwarf form will grow no more than a foot (30 cm.) tall and has the same flat, wide bracts as the common umbrella sedge. The dwarf umbrella sedge is probably the most popular, however, and produces a low profile plant perfect for marginal planting. There are also several types of umbrella sedge useful for the landscape. It was previously identified as Cyperus alternifolius but is now recognized as Cyperus diandrus. There is some confusion as to the identification by botanists of umbrella flat sedge. If you keep the flower heads plucked, umbrella sedge weed makes an attractive addition to the home pond or water feature. ![]() The plant then forms a complex tangled root system, which can make removal from unwanted areas difficult. Umbrella flat sedge grows quickly from seed that falls in moist, organic rich soil. The tiny seeds form shortly after the flowers decline and are borne in small oval fruits, hard and brown as nuts. Umbrella flat sedge flowers from May until November. These in turn become the tiny brown-scattered seeds and are the cause of the plant’s other name, umbrella sedge weed. These modified leaves produce a cluster of florets where it attaches to the main stem. It has no recognizable leaves, but produces bracts at the top of the stem, which resemble umbrella spokes. Umbrella sedge is a tall grass, which can get up to 16 inches (40 cm.) in height and grows in clumps of plants. So then, exactly what is umbrella sedge and how do I recognize it in the landscape? The plant is attractive and related to the bulrushes and papyrus of Biblical Nile fame. The plant may become invasive in some areas, so it is important to become familiar with the plant and recognize its characteristics before adding it to your garden area. It is a warm season perennial and grows best in USDA zones 8 to 11. ![]() Umbrella flat sedge is an ornamental grass often seen at the edges of rivers and ponds. ![]()
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