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AGASTACHE scrophulariifolia 'Liquorice Blue'

Image of Agastache scrophulariifolia 'Liquorice Blue'

Gerald L. Klingaman

Family

Lamiaceae

Botanical Name

AGASTACHE scrophulariifolia 'Liquorice Blue'

Plant Common Name

Liquorice Blue Giant Hyssop, Purple Giant Hyssop

General Description

Agastache scrophulariifolia is a large, aromatic, bushy perennial native to eastern and central North America. Its cultivar 'Liquorice Blue' bears fuzzy blue flower spikes from late summer to early autumn above large, anise-scented leaves.

This low-maintenance, drought-tolerant plant likes well drained soil and at least partial sun. It is an excellent choice for sunny mixed borders, wildflower plantings, and hummingbird gardens.

Characteristics

  • AHS Heat Zone

    9 - 1

  • USDA Hardiness Zone

    4 - 9

  • Plant Type

    Perennial

  • Sun Exposure

    Full Sun, Partial Sun, Partial Shade

  • Height

    3'-4' / 0.9m - 1.2m

  • Width

    18"-24" / 45.7cm - 61.0cm

  • Bloom Time

    Summer, Fall

  • Native To

    North America

Growing Conditions

  • Soil pH

    Neutral

  • Soil Drainage

    Well Drained

  • Soil type

    Loam

  • Tolerances

    Drought

  • Growth Rate

    Fast

  • Water Requirements

    Average Water

  • Habit

    Upright/Erect

  • Seasonal Interest

    Summer, Fall

Ornamental Features

  • Flower Interest

    Showy

  • Flower Color

    Blue

  • Fruit Color

    Tan

  • Foliage Color (Spring)

    Green

  • Foliage Color (Summer)

    Green

  • Foliage Color (Fall)

    Green

  • Fragrant Flowers

    Yes

  • Fragrant Fruit

    No

  • Fragrant Foliage

    Yes

  • Bark or Stem Fragrant

    No

  • Flower Petal Number

    Single

  • Repeat Bloomer

    Yes

  • Showy Fruit

    No

  • Edible Fruit

    No

  • Showy Foliage

    No

  • Foliage Texture

    Medium

  • Foliage Sheen

    Matte

  • Evergreen

    No

  • Showy Bark

    No

Special Characteristics

  • Usage

    Cutflower, Herb / Vegetable, Mixed Border, Wildflower

  • Sharp or Has Thorns

    No

  • Invasive

    No

  • Attracts

    Hummingbirds, Butterflies

  • Self-Sowing

    Yes