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FESTUCA glauca 'Blue Silver'

Image of Festuca glauca 'Blue Silver' ('Blausilber')

James H. Schutte

Family

Poaceae

Botanical Name

FESTUCA glauca 'Blue Silver' ('Blausilber')

Plant Common Name

Blue Fescue, Blue Silver Fescue

General Description

Versatile and pretty, 'Blue Silver' is an evergreen ornamental bunch grass known for its neat mounded habit of medium height and fine blades of intense silver blue-green. In the summer it puts forth erect stems of blue-green grassy flowers that mature to a soft tan color.

For best growth, plant blue fescue in full sun and average soil with very good drainage. It is drought tolerant once established and may suffer from root rot if subjected to too much moisture, particularly in winter. Central die out can occur every few years; prune slightly every year to encourage new growth and divide as needed. In the landscape, it looks best in sunny borders, containers, rock gardens and or massed together as a groundcover.

Characteristics

  • AHS Heat Zone

    8 - 1

  • USDA Hardiness Zone

    4 - 8

  • Sunset Zone

    1a, 1b, 2a, 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

    Grass

  • Sun Exposure

    Full Sun, Partial Sun, Partial Shade

  • Height

    6"-10" / 15.2cm - 25.4cm (8)

  • Width

    10"-12" / 25.4cm - 30.5cm (11)

  • Bloom Time

    Summer, Late Summer

  • Native To

    Europe

Growing Conditions

  • Soil pH

    Acidic, Neutral

  • Soil Drainage

    Well Drained

  • Soil type

    Loam, Sand

  • Tolerances

    Drought

  • Growth Rate

    Medium

  • Water Requirements

    Drought Tolerant, Average Water

  • Habit

    Clump-Forming

  • Seasonal Interest

    Spring, Summer, Fall, Winter

Ornamental Features

  • Flower Interest

    Showy

  • Flower Color

    Green, Violet, Tan

  • Fruit Color

    Tan

  • Foliage Color (Spring)

    Blue Green, Silver

  • Foliage Color (Summer)

    Blue Green, Silver

  • Foliage Color (Fall)

    Blue Green, Silver

  • Foliage Color (Winter)

    Blue Green, Tan, Silver

  • Fragrant Flowers

    No

  • Fragrant Fruit

    No

  • Fragrant Foliage

    No

  • Bark or Stem Fragrant

    No

  • Flower Petal Number

    Single

  • Repeat Bloomer

    No

  • Showy Fruit

    No

  • Edible Fruit

    No

  • Showy Foliage

    Yes

  • Foliage Texture

    Fine

  • Foliage Sheen

    Matte

  • Evergreen

    Yes

  • Showy Bark

    No

Special Characteristics

  • Usage

    Bedding Plant, Container, Edging, Groundcover, Mixed Border, Rock Garden / Wall

  • Sharp or Has Thorns

    No

  • Invasive

    No

  • Self-Sowing

    No