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ORYZA sativa 'Nigrescens'

Image of Oryza sativa 'Nigrescens'

Family

Poaceae

Botanical Name

ORYZA sativa 'Nigrescens'

Plant Common Name

Rice

General Description

An ornamental variety of the world's most important crop, 'Nigrescens' is grown not for its grain but for its handsome deep-hued leaves.

This rhizomatous grass forms spreading clumps of upright stems lined with long, slender, deep-bronze leaves. Conspicuous, arching panicles of greenish flower "spikelets" appear at the stem tips in summer. Each spikelet consists of a single, inconspicuous, wind-pollinated flower enclosed in a tough, ovoid, flat-sided husk. The spikelets ripen to pale brown.

Rice needs ample water, sunlight, and soil fertility to grow successfully, but submerged soil is not necessary. Drought or frost kills this tender grass. Sow seed in warm soil in late winter or early spring, either in the ground or in pots. Keep soil damp at all times. Plant out container-grown seedlings after danger of frost. This showy-leaved selection makes a great choice for water gardens and other soggy garden niches.

Characteristics

  • AHS Heat Zone

    12 - 8

  • Sunset Zone

    H1, H2

  • Plant Type

    Grass

  • Sun Exposure

    Full Sun, Partial Sun

  • Height

    24"-32" / 61.0cm - 81.3cm

  • Bloom Time

    Indeterminate

  • Native To

    Southeastern Asia, India, China

Growing Conditions

  • Soil pH

    Acidic, Neutral, Alkaline

  • Soil Drainage

    Average

  • Soil type

    Clay, Loam

  • Tolerances

    Wet Site, Salt

  • Growth Rate

    Very Fast

  • Water Requirements

    Ample Water

  • Habit

    Upright/Erect

  • Seasonal Interest

    Spring, Summer, Fall

Ornamental Features

  • Flower Interest

    Insignificant

  • Flower Color

    Yellow Green

  • Fruit Color

    Tan, Sandy Brown

  • Foliage Color (Spring)

    Purple, Brown, Burgundy, Bronze

  • Foliage Color (Summer)

    Purple, Brown, Burgundy, Bronze

  • Foliage Color (Fall)

    Purple, Brown, Burgundy, Bronze

  • Fragrant Flowers

    No

  • Fragrant Fruit

    No

  • Fragrant Foliage

    No

  • Bark or Stem Fragrant

    No

  • Repeat Bloomer

    No

  • Showy Fruit

    Yes

  • Edible Fruit

    Yes

  • Showy Foliage

    Yes

  • Foliage Texture

    Fine

  • Foliage Sheen

    Matte

  • Evergreen

    No

  • Showy Bark

    No

Special Characteristics

  • Usage

    Bedding Plant, Container, Dried Flower/Everlasting, Edible, Houseplant, Mixed Border, Tropical, Water Gardens

  • Sharp or Has Thorns

    No

  • Invasive

    No

  • Attracts

    Birds

  • Self-Sowing

    Yes