SafePlants

Carex morrowii: Japanese Sedge

Carex morrowii, commonly known as Japanese sedge or Morrow's sedge, is a popular choice for gardens, valued for its attractive foliage and adaptability.

Considerations for Pets

• Some varieties have strap-like leaves that may be tempting for pets to chew on.

Considerations for Children

• This plant spreads by underground stems (rhizomes).

Nomenclature and Taxonomy

• Scientific Name: Carex morrowii
• Family: Cyperaceae
• Common Names: Japanese sedge, Morrow's sedge, Marrow's sedge, Variegated Sedge.
• Cultivars/Varieties: Variegata, Gold Band, Evergold, Silver Tassel, Ice Dance, Fisher's Form, Pinkie, Ice Ballet, Silk Tassel, Goldband, Silver Sceptre
• Synonyms: Carex hachijoensis 'Evergold', Carex morrowii 'Evergold', Carex 'Gilt', Carex 'Fisher's Form'

Distribution and Habitat

• Carex morrowii Variegata originates from wooded areas in low mountains of Japan.

Morphology and Growth Habits

• Carex morrowii is a clumping sedge, often forming dense tufts.
• Leaves are typically narrow and long, often described as strap-like or arching.
• Leaf width ranges from 1/4 to 1/2 inch in some varieties.
• Many cultivars feature variegated foliage with creamy-white or silver margins.
• Some varieties are evergreen.
• The plant spreads slowly, sometimes by underground stems (rhizomes).

Ecological Role

• This sedge can be used as a ground cover.

Cultivation

• Prefers moist, rich loam and partial shade but can tolerate full shade and even full sun in cooler climates.
• Suitable for groundcover or container planting.

Quirky Facts

• The cultivar 'Pinkie' features spring foliage that emerges in shades of pink and bronze.
• Carex morrowii 'Ice Ballet' is a sport of 'Ice Dance' with a wider creamy white margin on the blade.

Further Information

• Anton Reznicek, Curator of Vascular Plants, University Herbarium, University of Michigan.
• Discover Life offers information on the biology, natural history, ecology, identification, and distribution of Carex morrowii.