Allelopathic plants

Allelopathic plants are those that release chemicals into the soil and air, known as allelochemicals, which can inhibit the growth and reproduction of neighboring plants. This action allows the toxin-producing plant to reduce competition for available resources and dominate the utilization of these resources. Some plants that are not sensitive to allelopathy. can do well in areas where allelopathic plants are present without suffering negative effects.

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Plant Form
Light Requirements
Moisture Requirements
Soil Texture:
Bloom Time
Scientific Name Common Name(s) Plant Form(s) Recommended for Tolerates
Monarda fistulosa Wild bergamot, Bee balm Herbs Allelopathic plants, Dry soils, drought
Muhlenbergia capillaris Hair-awn muhly, Long-awn hairgrass, Pink muhly Grasses, Sedges & Rushes Air pollution, Allelopathic plants, Dry soils, drought, Heat, Poor soil, Salt
Onoclea sensibilis Sensitive fern Fern & Fern Allies Allelopathic plants, Dry soils, drought, Wet conditions
Panicum virgatum Switchgrass Grasses, Sedges & Rushes Air pollution, Allelopathic plants, Dry soils, drought, Salt, Wet conditions
Parthenocissus quinquefolia Virginia-creeper, Virginia creeper Vines Air pollution, Allelopathic plants, Dry soils, drought, Salt, Soil compaction, Wet conditions
Phlox maculata Meadow phlox, Wild sweet-william Herbs Allelopathic plants, Heat
Phlox paniculata Garden phlox, Fall phlox Herbs Allelopathic plants, Fire
Platanus occidentalis Sycamore, American sycamore Large Trees Air pollution, Allelopathic plants, Dry soils, drought, Salt, Soil compaction, Urban environments, Wet conditions
Podophyllum peltatum Mayapple, Devil's apple, Duck's foot, Hog apple, Indian apple, Indian apple root, Mandrake , Raccoonberry, Umbrella leaf, Wild lemon, May-apple, May apple Herbs Allelopathic plants, Dry soils, drought
Quercus alba White oak Large Trees Acidic soils, Allelopathic plants, Dry soils, drought, Salt
Quercus bicolor Swamp white oak Large Trees, Medium Trees Allelopathic plants, Dry soils, drought, Fire, Poor soil, Wet conditions
Quercus coccinea Scarlet oak Large Trees Allelopathic plants, Dry soils, drought
Quercus rubra Northern red oak Large Trees Air pollution, Allelopathic plants, Dry soils, drought, Soil compaction
Quercus velutina Black oak Large Trees Allelopathic plants, Dry soils, drought
Rhus aromatica Fragrant sumac Shrubs & Small Trees Allelopathic plants, Dry soils, drought
Rhus glabra Smooth sumac Shrubs & Small Trees Allelopathic plants, Dry soils, drought, Fire, Heat
Sassafras albidum Sassafras, Cinnamon wood Medium Trees, Shrubs & Small Trees Allelopathic plants, Dry soils, drought, Heat
Schizachyrium scoparium var. scoparium Little bluestem Grasses, Sedges & Rushes Air pollution, Allelopathic plants, Dry soils, drought, Heat
Solidago caesia var. caesia Bluestem goldenrod, Blue-stemmed goldenrod, Wreath goldenrod, Axillary goldenrod Herbs Allelopathic plants, Dry soils, drought, Wet conditions
Sorghastrum nutans Indian grass, Yellow indian grass Grasses, Sedges & Rushes Allelopathic plants, Dry soils, drought, Wet conditions
Staphylea trifolia Bladdernut Shrubs & Small Trees Allelopathic plants, Dry soils, drought
Tradescantia virginiana Virginia spiderwort Herbs Allelopathic plants, Dry soils, drought, Poor soil, Wet conditions
Tsuga canadensis Canada hemlock, Eastern hemlock Large Trees, Medium Trees Allelopathic plants
Viburnum dentatum Arrow-wood, Arrow-wood viburnum, Arrowwood viburnum, Southern arrowwood Shrubs & Small Trees Allelopathic plants, Dry soils, drought, Salt, Wet conditions
Viburnum prunifolium Black haw, Blackhaw, Blackhaw viburnum, Nannyberry, Plum leaf viburnum Shrubs & Small Trees Acidic soils, Air pollution, Allelopathic plants, Dry soils, drought, Urban environments