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ASTILBE 'Mainz'

Image of Astilbe 'Mainz' (Japonica Group)

Family

Saxifragaceae

Botanical Name

ASTILBE 'Mainz'( Japonica Group)

Plant Common Name

Hybrid Japanese Astilbe, Japanese False Spirea, Mainz False Spirea

General Description

Hybrid Japanese astilbes are pretty flowering herbaceous perennials for shade. In the spring, the cultivar 'Mainz' puts forth clumps of upright feathery compound leaves of dark green. Typically its tall, feathery plume-like flower clusters appear in early to midsummer. These dense plumes are lavender-pink. Flowers turn brown after blooming, so it looks best to cut them back once they are spent.

Most astilbes prefer partial shade and fertile soil with average drainage but can tolerate sunnier sites if well irrigated. This low maintenance perennial is well-suited to shady gardens and looks best when planted in groups or mixed with other perennials for shade like Japanese painted fern and hostas. Astilbes are often grown and harvested as cutflowers for the floral industry. Plants may be divided every three to four years if they become overcrowded.

Characteristics

  • AHS Heat Zone

    8 - 2

  • USDA Hardiness Zone

    4 - 9

  • Sunset Zone

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

  • Plant Type

    Perennial

  • Sun Exposure

    Partial Sun, Partial Shade

  • Height

    24"-42" / 61.0cm - 106.7cm (36)

  • Width

    1'-2' / 0.3m - 0.6m (2)

  • Bloom Time

    Late Spring, Early Summer, Summer

  • Native To

    Hybrid Origin

Growing Conditions

  • Soil pH

    Acidic, Neutral

  • Soil Drainage

    Average

  • Soil type

    Loam

  • Growth Rate

    Medium

  • Water Requirements

    Average Water

  • Habit

    Clump-Forming

  • Seasonal Interest

    Spring, Summer, Fall

Ornamental Features

  • Flower Interest

    Showy

  • Flower Color

    Pink, Lavender

  • 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

    No

  • Foliage Texture

    Medium

  • Foliage Sheen

    Glossy

  • Evergreen

    No

  • Showy Bark

    No

Special Characteristics

  • Usage

    Cutflower, Edging, Groundcover, Mixed Border

  • Sharp or Has Thorns

    No

  • Invasive

    No

  • Self-Sowing

    No