Panicum amarum 'Dewey's Blue'
Bitter Switchgrass
USDA Hardiness Zone 2-9
Powdery-blue foliage with blooms of blue to beige airy panicles in late summer.
A very graceful fountain habit.
Interesting Notes
Selected by Richard Darke and named after a lower Delaware Beach.
Bloom Time
July-September
Homeowner Growing and Maintenance Tips
This Panicum can spread by rhizome, so this is a good choice for erosion control.
Grows in dry, sterile locations.
Salt tolerant.
When to Divide
spring or fall
Good Companions
Butterfly Weed
(Asclepias tuberosa),
Fall Aster
(Aster novi-belgii),
Butterfly Bush
(Buddleia davidii),
Bluemist Shrub
(Caryopteris clandonensis),
Threadleaf Coreopsis
(Coreopsis verticillata),
Pinks
(Dianthus gratianopolitanus),
Coneflower
(Echinacea Big Sky),
Blanket Flower
(Gaillardia grandiflora),
Grayleaf Cranesbill
(Geranium cinereum),
Daylily
(Hemerocallis ),
Shasta Daisy
(Leucanthemum superbum),
Catmint
(Nepeta faassenii),
Beardtongue
(Penstemon digitalis),
Hybrid Sage
(Salvia nemorosa),
Speedwell
(Veronica )
Characteristics & Attributes
Attributes & Uses
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Cut Flowers |
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Ground Cover |
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Containers |
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Dried Flowers |
Critter Resistance
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Deer Resistant |
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Rabbit Resistant |
Season of Interest (Flowering)
Season of Interest (Foliage)