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 x clandonensis),
Threadleaf Coreopsis
(Coreopsis verticillata),
Pinks
(Dianthus gratianopolitanus),
Coneflower
(Echinacea ),
Blanket Flower
(Gaillardia x grandiflora),
Grayleaf Cranesbill
(Geranium cinereum),
Daylily
(Hemerocallis ),
Shasta Daisy
(Leucanthemum x superbum),
Catmint
(Nepeta x faassenii),
Beardtongue
(Penstemon digitalis),
Hybrid Sage
(Salvia nemorosa),
Speedwell
(Veronica )
Characteristics & Attributes
Attributes & Uses
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Dried Flowers |
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Cut Flowers |
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Ground Cover |
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Containers |
Critter Resistance
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Deer Resistant |
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Rabbit Resistant |
Season of Interest (Flowering)
Season of Interest (Foliage)