![]() ![]() Purple-leaved willow-herb ( Epilobium coloratum).Dotted smartweed ( Persicaria punctata).Freshwater cordgrass ( Spartina pectinata).Maintained by annual episodes of high intensity flooding and ice scour.Substrate is sandy gravel and/or cobbles.Sites are open, dominated by warm season grasses with scattered, often battered shrubs and trees.Typically on broad gravel and cobble deposits of large river floodplains.Vulnerable in the jurisdiction due to a restricted range, relatively few populations, recent and widespread declines, or other factors making it vulnerable to extirpation. Reed canary-grass ( Phalaris arundinacea), which is often present in this type, represents a significant threat as it can form large single species colonies. Associate species include cordgrass ( Spartina pectinata), water-pepper ( Persicaria punctata), tearthumb ( Persicaria sagittata), hedge bindweed ( Calystegia sepium), rice cutgrass ( Leersia oryzoides), purple-leaved willow-herb ( Epilobium coloratum), Indian-hemp ( Apocynum cannabinum), beggar-ticks ( Bidens spp.), false nettle ( Boehmeria cylindrica), jewelweed ( Impatiens capensis), bugleweed ( Lycopus uniflorus), late goldenrod ( Solidago gigantea), wrinkle-leaf goldenrod ( Solidago rugosa), grass-leaved goldenrod ( Euthamia graminifolia), wild mint ( Mentha arvensis), boneset ( Eupatorium perfoliatum), Joe-Pye-weed ( Eutrochium fistulosum), ox-eye ( Heliopsis helianthoides), tall tickseed ( Coreopsis tripteris), flowering spurge ( Euphorbia corollata) flat-topped white aster ( Doellingeria umbellata), calico aster ( Symphyotrichum lateriflorum), twisted sedge ( Carex torta), riverbank wild-rye ( Elymus riparius), blue false-indigo ( Baptisia australis), deer-tongue grass ( Dichanthelium clandestinum), and common yellow wood-sorrel ( Oxalis stricta). Scattered shrubs and trees may be present, including sycamore ( Platanus occidentalis), silver maple ( Acer saccharinum), black willow ( Salix nigra), steeplebush ( Spiraea tomentosa), ninebark ( Physocarpus opulifolius), and silky dogwood ( Cornus amomum), but the community is predominantly composed of warm season grasses: big bluestem ( Andropogon gerardii), switchgrass ( Panicum virgatum), and Indian-grass ( Sorghastrum nutans). This community is characterized by a dense graminoid layer with scattered short shrubs (less than 25% cover). Large patches of this type are primarily found along free flowing sections of larger rivers of Pennsylvania, where river discharge, basin size, surficial geology, and stream gradient result in significant annual flooding events that restrict the growth and This community is found in the Ohio, Susquehanna, and Delaware river basins of Pennsylvania. These sites are subject to high intensity flooding and ice scour. This community may also occur on islands within the active channel of large rivers in mountainous regions of Pennsylvania. Pests: Plants are relatively pest resistant if cultural preferences are met.Big Bluestem – Indian-grass River Grassland occurs on sand/gravel deposits and broad cobble/boulder shores along the banks of large rivers. Cut clumps to the ground in late winter to allow room for new growth 12. Do not allow mulch to touch the plant stems 18. Modify water recommendations to reflect site drainage and rainfall. Keep soil moist until plant is established, then apply enough water to thoroughly moisten the root zone when the soil is dry or during drought. At planting, water the roots and surrounding area slowly and deeply. It can handle light shade, though it prefers full sun 12.Ĭare: Plant crown at soil level 18. Siting: Andropogon glomeratus needs plenty of room to grow and performs best in medium to wet soils 2. Beneficial to a wide variety of wildlife 10. During the growing season, this large grass displays flattened blue stems from which the bushy flower plumes appear in late summer 3. 16 Features: Bushy Bluestem features showy copper-orange fall and winter color that persists for months 2. Latin name: Andropogon glomeratus Common name: Bushy Bluestem Flowers: Bushy inflorescenes 2, 10 Fruit: Inconspicuous 16 Height & Width: 5-6’ x 3’2 2 Type: Perennial 10 Habit: Upright, clump-forming 3 Wetland indicator category**: FACW 17 Texture: Medium 2 Growth rate: Medium 3 Light: Sun 10 Moisture: Medium to wet 12 Soil*: Tolerates a wide variety of soil types 12 Zones: 3-9 2 Origin: Lower Western to Eastern United States, including South Carolina. ![]()
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