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This species is a perennial grass with long, leafy rhizomes which hold the soil, forming sod. The roots may reach 3 metres (9.8 feet) deep in the soil. [1] The stems are up to 2.4 m (7.9 ft) tall [2] and can form colonies up to 8 m (26 ft) in diameter. [1] [3] Each stem has up to 12 leaves up to 76 centimetres (2.49 feet) long by 1 cm (0.39 in ...
Psathyrostachys juncea is a perennial bunch grass that grows in tufts that may be up to 1 metre (3.3 ft) tall or taller. The grass is long-lived and known to persist in cultivation for 25 years or more. The grass has a dense root network beneath each clump; there are no rhizomes or stolons. The roots can reach 3 metres (9.8 ft) deep into the soil.
Known poisonous species include Romulea longifolia (Guildford grass) and R. rosea (onion grass or onion weed) [10] [22] Rudbeckia laciniata: Goldenglow, coneflower, or thimbleweed [8] Senecio: Ragworts, groundsel, or stinking willy [4] [10] Silybum marianum: Variegated thistle Poisons cattle, sheep, and rarely horses [10] Solanum
Miscanthus × giganteus, also known as the giant miscanthus, is a sterile hybrid of Miscanthus sinensis and Miscanthus sacchariflorus. [b] It is a perennial grass with bamboo-like stems that can grow to heights of 3–4 metres (13 ft) in one season (from the third season onwards).
The deep fibrous root systems of switchgrass left a deep rich layer of organic matter in the soils of the Midwest, making those mollisol soils some of the most productive in the world. By returning switchgrass and other perennial prairie grasses as an agricultural crop, many marginal soils may benefit from increased levels of organic material ...
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The main roots are 6–10 ft (1.8–3.0 m) deep, and the plants send out strong, tough rhizomes, so it forms very strong sod. [4] Depending on soil and moisture conditions, it grows to a height of 1–3 m (3.3–9.8 ft). The stem base turns blue or purple as it matures. Big bluestem blooms in the summer and seeds into the fall.
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