Silver Grass

FAMILY: Poaceae | GENUS: MISCANTHUS

TYPE
  • Ornamental Grasses
  • Perennials
SUN EXPOSURE
  • Full Sun
  • Partial Shade
WATER
  • Moderate Water
  • Regular Water
PLANTING ZONES
  • US (Upper South) / Zone 6
  • MS (Middle South) / Zone 7
  • LS (Lower South) / Zone 8
  • CS (Coastal South) / Zone 9

Plant Details

Among the showiest and liveliest-looking of ornamental grasses, these are clump-forming plants that range from very large kinds to dwarf types good for small gardens and containers. Attractive flower panicles appear atop tall stalks; they open as tassels and gradually expand into silvery to pinkish or bronze plumes that usually last well into winter. Leaves are broad or narrow, always graceful; they may be solid colored, striped lengthwise, or banded crosswise. In fall and winter, foliage of most species turns shades of yellow, orange, or reddish brown; it looks especially showy against snow or a background of dark evergreens. Stunning accent plants in large pots. Best planted in spring. Deer resistant.

giant silver grass

miscanthus x giganteus

  • Impressive upright grass to 1014 feet tall, 810 feet wide; self-supporting on stems to 2 inches thick.
  • Arching, drooping leaves to 3 feet long, 1 12 inches wide, dark green with white midrib.
  • Flower plumes to 1 feet long rise 12 feet above foliage during very late summer to fall; they emerge tan, open silver.
  • Leaves turn purplish green in fall, then drop to leave tall, bare stalks over winter.
  • Good summer screen or hedge; provides tropical effect.
  • Takes seacoast conditions.
  • Give partial shade in the Coastal South.

flame grass

miscanthus 'Purpurascens

  • Best in Upper and Middle South, where summers are not so long and hot.
  • Upright clump 34 feet high and wide, with green leaves to 12 inches wide.
  • Silvery flower plumes 56 feet tall.
  • Foliage turns orange-red in fall, then fades to reddish brown.
  • Can be short lived.

japanese silver grass

miscanthus sinensis

  • Native to Japan, Korea, China.
  • Variable in size and foliage.
  • Blooms in late summer or fall.
  • Flowers are usually held well above foliage clumps; they may be cut for fresh or dried arrangements.
  • Many selections are obtainable, and new ones arrive on the market every year.
  • Here are some of the choicest.

Adagio

  • Very narrow, green leaves form a clump 23 feet high and wide.
  • Pink plumes rise to 45 feet Better flower production than similar 'Yaku Jima'.
  • Yellow fall foliage.
  • Good container plant.

Dixieland

  • Compact grower to 34 feet tall and wide.
  • Green leaves edged with prominent white stripes.

Goldfeder

  • ('Gold Feather').
  • Clump grows 45 feet high and wide, with inches-wide leaves edged light golden yellow.
  • Silvery pink flower plumes on lax stems to 7 feet tall.
  • Stems tend to flop, but do so gracefully; can be staked to keep upright.

maiden grass

Gracillimus

  • Narrow, dark green leaves with silver midrib; graceful clump to 45 feet high, 68 feet wide.
  • Stems 56 feet tall bear coppery plumes that mature to cream.
  • Tends to flop; divide in spring every year or two to keep compact.
  • Bright orange fall foliage.
  • Self-sows profusely and can become a pest.

dwarf maiden grass

Gracillimus Nanus

  • Growing only 3-4 feet tall, it could be the answer for smaller gardens, containers, or compact compositions.

Graziella

  • Narrow leaves form a clump 45 feet tall, 58 feet wide.
  • Silvery ostrich plumes rise to 67 feet Coppery red and orange fall foliage.
  • More refined and upright than 'Gracillimus'.

Kirk Alexander

  • Clump to 34 feet tall and wide, with green leaves horizontally banded in greenish yellow.
  • Pinkish copper plumes on stems to 5 feet tall.
  • More compact than the comparable 'Zebrinus'.

Malepartus

  • Dark green leaves are broader than those of species, in a clump 3 feet high and wide.
  • Flower plumes on 6- to 7 feet stalks open rose-pink, fade to silvery white, finish tan.
  • Orange fall foliage.

Morning Light

  • Sport of 'Gracillimus', with narrow band of white on leaf margins; less vigorous and more compact than 'Gracillimus'.
  • Grows to 34 feet high and wide; coppery flower plumes reach 56 feet tall.
  • Where the growing season is long, dig and divide clumps yearly to keep plants compact.
  • Seedlings have leaves like those of 'Gracillimus'deep green with silvery midrib.
  • Good choice for heat and humidity.

Sarabande

  • Resembles 'Gracillimus' but is finer textured over all, with narrower leaves that are held more erect.

porcupine grass

Strictus

  • Narrow, erect clump 46 feet tall, 34 feet wide.
  • Spiky, 12 inches-wide leaves are banded horizontally with creamy yellow, suggesting porcupine quills.
  • Golden plumes on 5- to 7 feet-tall stems.
  • Tends to flop with weight of blooms; should be staked.

Variegatus

  • A fountain of silver.
  • Graceful, weeping clump 34 feet high and wide, with inches green leaves edged and striped in white.
  • Spikes 56 feet tall, tend to flop, especially on older plants; need staking.
  • Divide every year or two.
  • Give partial shade in Coastal South.

Yaku Jima

  • Compact, fine-leafed selection similar in form to 'Adagio'.
  • Tan flower plumes; reddish brown fall foliage.

zebra grass

Zebrinus

  • Like 'Strictus' but lax and broadly arching; certain to flop in bloom unless staked.
  • Most plants sold under this name are 'Strictus'.

miscanthus s

  • condensatus 'Cabaret'.
  • Boldest variegated miscanthus.
  • Big, upright clump 67 feet tall, 45 feet across; wide (to 114 inches.), ribbonlike leaves with a broad white center stripe and green edges.
  • Pink-suffused stems to 89 feet bear coppery pink plumes that age to cream.

miscanthus s

  • c.
  • Cosmopolitan.
  • Similar in growth and bloom to 'Cabaret', but foliage has the reverse pattern: leaves have a green center (with a white midrib) and white margins.

evergreen miscanthus

miscanthus transmorrisonensis

  • Native to Taiwan.
  • Forms a compact clump 212312 feet high and 34 feet wide, with leaves 23 feet long, 12 inches wide.
  • Foliage remains green into early winter (and is evergreen in mildest-winter areas).
  • Slender, silvery flower plumes on stems 57 feet tall.

Plant begins blooming in spring in Coastal South; cutting stems nearly to ground when plumes begin to fade will produce a second bloom flushsometimes even a third one. Cutting back stems also keeps clump looking fresh. Where winters are cold, bloom time comes in mid- to late summer. Plumes age to tan and drop their seeds before winter, leaving bare stems. Makes a good large-scale ground cover if given regular moisture and yearly mowing.

Cut back old foliage nearly to the ground before new leaves sprout in early spring; in climates with a long growing season, you can cut back again in mid- summer to keep compact and to freshen foliage. Some selections collapse at bloom time unless given support of four or five narrow stakes inserted inconspicuously at edge of clump, concealed by foliage; wind twine or wire around stakes and clump at two levels. Divide in early spring every 2 or 3 years to limit clump size and prevent decline in vigor. Variegated types and thin-leafed species don't do well in central and southern Florida.

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