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Purple Top is a perennial warm-season grass that grows 3-5 feet tall and 3 feet wide. It has a rich hue to its foliage as it develops each spring. Shortly after the foliage matures, the flower spikes develop as purple panicles that bloom from August to November.
Tridens flavus, known as purpletop, purpletop tridens, tall redtop, greasy grass, and grease grass, [1] [2] [3] is a large, robust perennial bunchgrass native to eastern North America.. It widespread throughout its range and is most often found in man-made habitats, such as hay meadows and lawns. The seeds are purple, giving the grass its common name.
Purpletop is a perennial bunchgrass native to Eastern North America. Scientifically known as Tridens flavus, it grows 3-5′ tall in full sun and medium to dry soils. Important to wildlife, it is a hostplant for several butterfly caterpillars and is good forage for livestock.
Uses. Purpletop is a perennial, warm season grass that is consumed by all grazing livestock. It is well adapted to shallow, droughty, infertile soil and provides forage in the summer and on sites where cool season forages do not produce well. It can be planted alone or in mixes with other warm season grasses.
10 paź 2010 · Common Names: grease grass, purpletop tridens, redtop, and redtop tridens (North Carolina State Extension, 2021) Scientific Names: Tridens flavus var. flavus. Description General: Purpletop tridens is a native, perennial bunchgrass with culms 2 to 6 feet tall arising from a rhizomatous crown (Fig. 1). Leaves are 0.12 to 0.5 inches wide,
The form of Purpletop with purple spikelets, f. cupreus, is far more common than the typical form in Illinois; the latter has yellow spikelets. Another grass, Agrostis gigantea (Redtop), has attractive red spikelets, but it blooms earlier in the summer.
Purpletop tridens is found in fields, roadsides and open woodlands. Although native to New England, some populations are introduced, such as those in Vermont railyards. This grass gets its name from the widely-spaced purple spikelets. After the grain ripens the upper branches become sticky.
