The hardy plant zone for the Green Bulrush is 3-9.
It is a perennial that produces fibrous roots that make it great for land cover. It is native to North America and is part of the grass family. Predominantly, it is found in Newfoundland, Manitoba, and the northeast and mid-west regions of the United States. It is an aggressive grower that is hard to contain in a manicured lawn environment. It is durable and often used in ground restoration projects such as wetlands and wet areas with erosion problems.
The culm of the Green Bulrush flourishes to produce an abundant number of umbels at the end of its long blades. These culms are the above-ground stem that resembles a stalk, usually an olive-green color. The umbels become fertile in summer, and top the Green Bulrush is a brownish-gold wheat color cluster. The clusters are composed of small spikelets. The spikelets mature during the autumn season and turn a dark chocolate brown, which appears to look like starry clusters. The many displayed seeds last to the end of the fruiting season, which runs July through August.
At maturity, the Green Bulrush can grow to an average of 3 to 5 feet.
Also, they can have a 2 to 4-foot spread. It prefers a cooler, crisper air to grow in, usually found in the spring and fall seasons. After harvest, the regrowth rate is slow. It has a lengthy lifespan but has a low tolerance for drought conditions.
It adapts well to fine and medium-textured soils and requires a pH of 4.0 to 8.0. It grows and develops well in wet moist soil types.
It thrives in wetland areas, marshes, bogs, swamplands, and flood plains.
It grows along the sides of creek beds and rivers. It is a durable plant but does not grow well in the shade.
The Green Bulrush has been valuable in restoration projects and erosion control.
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