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Panicum amarum ‘Dewey Blue’
at Digging Dog

Bitter Switch Grass

Panicum

Switch Grass

The Panicums we’ve chosen are warm season prairie grasses native to North America. Resistant to heat, drought, and even extreme cold, Switch Grass boasts a cloud of inflorescences—a mystifying hologram of tiny red seeds that mature to black in late summer.

If grown en masse and not cut back until early spring, Panicums promise a lively winter show. After a frost, they stiffen and adopt the warm glowing color and soft rustling sound of wheat.

Panicum amarum ‘Dewey Blue’ full sun

Populating Delaware’s coastal sand dunes near the town of Dewey, noted grass expert, Rick Darke selected this kingly Panicum for its blue, oh-so-blue smooth glaucous blades and elegant fountainlike stance. Distinctive straight-up stems bolster light airy plumes, followed by caramel-colored seed heads persisting well into winter. ‘Dewey Blue’ is not only a stunning showman but an enduring workhorse whose slowly spreading rhizomes form clumps that are vital in stabilizing seashore ecosystems, as well as withstanding hot dry summers and varied garden soils.

Blooms August – October.

Size: 4' 0"–5' 0" high x 3' 0" wide; hardy to zone 3.

Panicum amarum ‘Dewey Blue’ (G-0500)
Each $9.75
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Other selections in this genus


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Ornamental Grasses: Autumnal Garden Stars, Plant for Outstanding October Oomph!

Celebrated headliners of the late show!

Offering superb versatility, ornamental grasses become poetry in motion on gusty days. They are best situated so their fluid shimmering inflorescences, bathed in amber, sable or smoky rose and purple shades, are backlit and set aglow by the afternoon sunlight. Most look fantastic in fresh or dried arrangements, while others produce welcome seed heads that birds adore. Be sure to browse our online selections of ornamental grasses.

Plant for Outstanding October Oomph!

You may wish to include one or more of these easily grown herbaceous perennials, ornamental grasses, shrubs or trees that wield plenty of October flair.

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