Giant Miscanthus; Giant Chinese Silver Grass
 

Mature Size, Growth, Longevity

This is the largest species of Miscanthus. Average mature size of 8-15' tall and 3-4' wide. Forms a clump of long, arching leaves. Vertical, upright-arching habit.

Native Range

Most Miscanthus species are native to Eastern Asia and parts of Africa. Miscanthus floridulus is native to the lowlands of Japan, Taiwan, and the Pacific Islands.

Flower and Fruit Details

Flowers late summer-early fall (August-October), with an extended, dominant central rachis & whisk-like tassels in the 20" inflorescence. Silvery-white, silky flower plumes are effective throughout the winter, standing up well to the ravages of winter.

Leaf and Bark Features

Deciduous: Leaves are pale green to medium green, broad (1.25"), and coarse textured. Lower leaves die and become unattractive in late summer. Stout stems, up to 2" diameter. Fall foliage color changes from green to reddish purple, then tan.

Culture and Care

Plant in average to moist, well-drained, fertile soil in full sun. May not bloom in cool or short-season areas. Zones 4(5)-9. Likes full sun to 1/2 shade. Grows best in fertile soil, but can adapt to various soils. Strong stems; needs no staking. Cut back old stems in March. Very few insect and disease problems.

Strengths, Weaknesses, Other Facts

The large, tall, showy flower plumes are effective throughout the fall & winter. Stems are strong and resistant to loads of ice and snow. 4-season interest: Spring, summer, fall, winter. May become somewhat invasive over time. "Miscanthus" comes from the Greek, "mischos" (stalk) and "anthos" (flower), referring to the stalked spikelets.

Suggested Uses

Makes a good screen, hedge, background plant, accent plant, specimen plant, or wherever a tropical effect is desired, even in cold climates. Also for rock gardens, dried arrangements, & cut flowers,

Taxa and Plants of this Species at BCA