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- Eleocharis Obtusa, commonly known as Spikerush, is a member of the Sedge family. This annual is found throughout most of the United States, as well as in the Canadian provinces of New Brunswick, Nova Scotia and Prince Edward Island, in USDA Hardiness
Here's how your plants will look on arrival. All plants are dormant with no leaves or foliage.
Eleocharis Obtusa- Spikerush
Eleocharis Obtusa, commonly known as Spikerush, is a member of the Sedge family. This annual is found throughout most of the United States, as well as in the Canadian provinces of New Brunswick, Nova Scotia, and Prince Edward Island, in USDA Hardiness Zones 3 through 11.
Blooming during full summer, Spikerush hs a low growth habit, standing between two and 10 inches tall at maturity. The plant primarily flowers during June, July, and August. It prefers full sun and very wet growing conditions. This plant is not picky about the type of soil in which it grows as it is found in mucky, gravelly or sandy soils as well as in loam. It is typically located on the shores of lakes and ponds, along low-lying rivers, fields prone to flooding, marshes, sedge meadows, and fens and. Spikerush is also occasionally found in wet grassy areas that are cultivated. It is one of the first plants to colonize freshly dug ponds or stormwater basins and is ideal for conservation projects, stormwater runoff plantings, and rain gardens. Dense growth of Spikerush attracts dragonflies, damselflies, and frogs.
Blunt Spikerush is a prolific seeder. Individual plants have the appearance of tall grass, mainly when they occur in dense stands. Each plant usually produces a single culm, although some may feature a tuft of culms that are circular, hairless and green. Leaves are sparse and dark green, located at the base of the culm with parallel veins. Flowerheads are ovoid and small, about 4-10 mm. Long and 3-5 mm. Wide. Its flowers are somewhat inconspicuous in that do not have petal or sepals and have the appearance of flat, rounded spikes. Each flower features an ovary and three stamens. Blooming lasts about one to two weeks. Achenes replace the bulbs and are light brown. Blunt Spikerush spreads by reseeding itself from the achenes.