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ASTILBE x rosea

Image of Astilbe x rosea

Family

Saxifragaceae

Botanical Name

ASTILBE x rosea

Plant Common Name

Rose Astilbe, Rose False Spirea

Special Notice

This entry has yet to be reviewed and approved by L2G editors.

General Description

Feathery pastel pink flowerheads and mounds of lush foliage make rose false spirea great in woodland and shade gardens throughout the temperate regions of the world. This species is the result of crossing the taller, white-flowering Astilbe japonica with the bronze-green leaved, red or pink flowering Astilbe chinensis. Both parents are native to the cool, humid forests of east Asia and are vigorous perennials that spread slowly to form dense clumps.

Graceful mounds of dark green, twice divided, fern-like leaves grow from thick, brown rhizomes (lateral underground stems). The showy, pyramidal flowerheads appear in summer above the compact mounds of foliage. Blooms are light pink, and cultivars derived from this hybrid cross typically have pastel or softer hues upon slightly taller plants that other false spireas.

This hardy perennial is noted for its longevity and adaptability. It grows best when provided partial sun to shade and moist, humus-rich, well-drained soil. Once established, it is quite low maintenance but is always moisture-loving. The spent flowers can be removed or left to dry. Once dry, the plumes are rich brown, hold up well and add winter interest to the garden. It is at best a short-lived plant in hotter summer regions or where seasonal dryness diminishes the foliage in the shade. Deer and rabbits do not eat this plant.

This is an ideal perennial for massing as a tall woodland groundcover or sweep. It also mixes well with other perennials for moist shade such as Japanese painted fern and variegated sedges. Selection 'Peach Blossom' is a bit taller with light peachy lavender flowers; 'Queen Alexandra' is deeper medium pink.

Characteristics

  • AHS Heat Zone

    8 - 2

  • USDA Hardiness Zone

    4 - 8

  • Sunset Zone

    A2, A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 14, 15, 16, 17

  • Plant Type

    Perennial

  • Sun Exposure

    Partial Shade, Full Shade

  • Height

    26"-36" / 66.0cm - 91.4cm

  • Width

    20"-24" / 50.8cm - 61.0cm

  • Bloom Time

    Summer, Late Summer

  • Native To

    Hybrid Origin

Growing Conditions

  • Soil pH

    Acidic, Neutral

  • Soil Drainage

    Average

  • Soil type

    Clay, Loam, Sand

  • Growth Rate

    Medium

  • Water Requirements

    Average Water

  • Habit

    Upright/Erect

  • Seasonal Interest

    Summer, Fall

Ornamental Features

  • Flower Interest

    Showy

  • Flower Color

    Light Pink

  • Fruit Color

    Brown

  • Foliage Color (Spring)

    Green, Dark Green

  • Foliage Color (Summer)

    Green, Dark Green

  • Foliage Color (Fall)

    Green, Dark Green

  • 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

    Medium

  • Foliage Sheen

    Matte

  • Evergreen

    No

  • Showy Bark

    No

Special Characteristics

  • Usage

    Container, Cutflower, Feature Plant, Groundcover, Mixed Border

  • Sharp or Has Thorns

    No

  • Invasive

    No

  • Attracts

    Butterflies

  • Self-Sowing

    No