![]() This medium-height, densely tufted grass grows from 18 inches to 3 feet high, depending on the fertility of the soils. Little Bluestem ( Schizachyrium scoparium) ![]() (Interesting tidbit: Sedges have edges, rushes are round, grasses have joints from the tips to the ground.) Having this affinity for water, you may also find black grass in rain gardens, stormwater basins, and low areas of the yard subject to flooding. Look for it just above the high-tide line, where it is flooded only by the most extreme tides of each month. Though this perennial herb appears delicate, it isn't-the stems and leaves of this species are actually quite sharp and it's a hardy contender in the coastal landscape because of its ability to spread by rhizomes and form extensive colonies in coastal estuaries and salt marshes. Also known as salt marsh rush, this attractive plant has loose spikes or clusters of small, green-brown flowers emerging from rounded stems and grass-like leaves. (Interesting tidbit: The upper leaf surface of beachgrass contains gas exchange openings, called stomata, which are oriented away from winds to conserve moisture the leaves also roll at the edges to avoid exposure to the wind, intense heat, and excessive sunlight.) Beachgrass spreads vigorously every year by subsurface rhizomes (root-like underground stems).īlack grass is neither black nor a grass, but rather a green rush. ![]() In late July or August, you will find spike-like seed heads emerging at the tips of long stalks. To confirm its identity, look for long narrow leaves that are deeply furrowed on the upper surface and smooth on the underside (and sharp on the edges!). This leafy, perennial grass grows 2-3 feet tall and is typically found on beaches and dunes. ![]()
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