Advanced Search Filters

Plant Type
Hardiness Zone
Heat Zone
Sunset Zone
Function
Sun Exposure
Soil Moisture
Water Requirement

CYPERUS glaber

Image of Cyperus glaber

Ernst Benary® Inc.

Family

Cyperaceae

Botanical Name

CYPERUS glaber

Plant Common Name

Flatsedge, Hardy Papyrus

General Description

Though some argue flat sedge looks a bit like nut sedge on steroids, this fast-growing sedge can make a pleasing garden statement if planted in a moist container or enclosed garden space among colorful garden flowers. Native populations are found in southeastern Europe, along the Caucasus Mountains and down into Syria, Israel and Pakistan. Flat sedge grows best in moist soils but will tolerate those with average moisture.

The bright green, grassy foliage of hardy papyrus has a distinct triangular base, a characteristic common of sedges. In summer it produces upright stems topped with leafy bracts. Round clusters of yellow green flower spikes appear from between the bracts. These striking flowers are great for cutting and add interesting flare to arrangements.

Grow flat sedge in locations with full to partial sun and moist, fertile soil. It is well suited to container culture. There are no reports of this sedge escaping from cultivation and becoming weedy. Still it would be wise to remove its dry seedheads to keep it from self-sowing.

Characteristics

  • Sunset Zone

    A1, A2, A3, H1, H2, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24

  • Plant Type

    Sedge or Rush

  • Sun Exposure

    Full Sun, Partial Sun

  • Height

    20"-30" / 50.8cm - 76.2cm

  • Bloom Time

    Late Summer, Early Fall

  • Native To

    Eastern Europe, Southern Europe, Turkey

Growing Conditions

  • Soil pH

    Neutral

  • Soil Drainage

    Poorly Drained

  • Soil type

    Clay, Loam, Sand

  • Tolerances

    Wet Site

  • Growth Rate

    Very Fast

  • Water Requirements

    Average Water, Ample Water

  • Habit

    Clump-Forming

  • Seasonal Interest

    Spring, Summer, Fall

Ornamental Features

  • Flower Interest

    Showy

  • Flower Color

    Yellow Green

  • Fruit Color

    Sandy Brown

  • Foliage Color (Spring)

    Green, Yellow Green

  • Foliage Color (Summer)

    Green, Yellow Green

  • Foliage Color (Fall)

    Green, Yellow Green

  • Fragrant Flowers

    No

  • Fragrant Fruit

    No

  • Fragrant Foliage

    No

  • Bark or Stem Fragrant

    No

  • Repeat Bloomer

    No

  • Showy Fruit

    No

  • Edible Fruit

    No

  • Showy Foliage

    Yes

  • Foliage Texture

    Fine

  • Foliage Sheen

    Matte

  • Evergreen

    No

  • Showy Bark

    No

Special Characteristics

  • Usage

    Bog Garden, Container, Cutflower, Mixed Border, Water Gardens

  • Sharp or Has Thorns

    No

  • Invasive

    No

  • Self-Sowing

    Yes