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Scirpus cernuus (Low Bulrush) - A very attractive evergreen grass-like sedge relative that grows as a 12- to 18-inch-wide tuft to 8 inches tall with bright green narrow thread-like leaves that arch over gracefully and are tipped with pale brown bracts and flowers in summer.
Plant in bright part shade to full sun along the coast and irrigate often to keep soil moist or place directly in water at a depth of 2 inches or at the water's edge. It is very hardy and can tolerate temperatures as low as 10 °F and useful in USDA Zone 8a and above (some claim it to be even hardier but we can't verify this information). Cut back yearly in late winter for fresh new growth. Useful singularly, in mass or as a ground cover. The lighter flowers contrast well with the foliage and give the allusion of flexible, transparent fiber optic cable, which gives this plant the creative common name Fiber Optics Grass (quite descriptive!).
This plant has long been grown in the nursery trade as Scirpus cernuus but its current name is Isolepis cernua. It has an incredibly widespread native range that includes western and southern Europe, the British Isles, North Africa, South America, Australia, New Zealand the west coast of North America (California to British Columbia and Alaska). In California it is found in coastal areas throughout the state and inland in southern mountains where it grows in habitats such as brackish seashores, bluffs, sand dunes, creeks and marshes. The name for the genus Scirpus comes from the Latin name used by Pliny for a rush or bulrush and Isolepis comes from the Greek words 'isos' meaning "equal" and 'lepis' meaning "scale" in reference to the flower glumes. The specific epithet is from the Latin word 'cernuus' which means drooping or nodding, in reference to the way the leaves arch over. It is also referred to as Bulrush (sometimes spelled Bullrush) and Tufted Clubrush. Other creative marketing names for it besides Fiber Optics Grass include Livewire (or Live Wire), Fairy Lights and Tina Turner Grass.
Information displayed on this page about Scirpus cernuus is based on our research conducted about this plant in our nursery library as well as from information provided by reliable online resources. We also include our own observations made about it as it has grown in the nursery gardens and other gardens visited, as well how the crops of this plant performed in the containers in our nursery field. We will also include comments received from others and welcome hearing from anyone who has information about this plant, particularly if it includes cultural information aiding others to better grow it.
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