Miscanthus Yaku Jima
Miscanthus sinensis 'Yaku Jima'
Miscanthus Yaku Jima is a slightly bigger plant than Adagio, but the main difference is that its leaves are more narrow. This grass is useful as a specimen, in the border, or for mass planting.
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Miscanthus Yaku Jima’ is a clump-forming grass that is native to certain areas of Japan including the Island of Yaku Jima. The cultivar name does not describe a specific clone, but actually describes several very similar forms of miscanthus that have in common diminutive size and narrow leaves. It typically grows in a clump to 3-4’ tall. Leaf blades (to 3/8” wide) are green and arch gracefully downward. Tiny buffy colored flowers with red tinges emerge in fluffy panicles above the foliage in August-September. Panicles fade to silver in fall, but remain showy throughout winter. Foliage turns reddish-brown in fall fading to tan over winter. ‘Yaku Jima’ is sometimes described in commerce as being a dwarf form of Miscanthus sinensis ‘Gracillimus’. Easily grown in average, medium moisture, well-drained soil in full sun to part shade. Tolerant of a wide range of soils from well-drained sandy soils to the heavy clays present in much of the St. Louis area. Prefers moist soils. Best in full sun. Less vigorous with decreased flowering and tendency to flop in too much shade. Tolerant of summer heat and humidity. Clumps slowly expand in circumference by short rhizomes, but retain tight clump shape. Foliage should be left standing throughout the winter for visual interest and to provide protection for the crowns. Cut foliage to the ground in late winter just before new shoots appear.