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Geranium macrorrhizum

Image of Geranium macrorrhizum

Jessie Keith

Family

Geraniaceae

Botanical Name

Geranium macrorrhizum

Plant Common Name

Rock Cranesbill

General Description

Native to southern Europe, this low, spreading herbaceous perennial bears pink, purple, magenta, or white shallow-cupped flowers in spring and early summer. Its fragrant, fuzzy, sticky, lobed leaves are apple-green, turning bronze-red in fall. Numerous cultivars have been selected.

This plant prefers moist, well drained soil in sun or partial shade, and will tolerate some drought. Use it in the border or as a groundcover.

Characteristics

  • AHS Heat Zone

    8 - 1

  • USDA Hardiness Zone

    4 - 8

  • Sunset Zone

    1a, 1b, 2a, 2b, 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

    Perennial

  • Sun Exposure

    Full Sun, Partial Sun, Partial Shade

  • Height

    9"-12" / 22.9cm - 30.5cm

  • Width

    18"-24" / 45.7cm - 61.0cm

  • Bloom Time

    Late Spring, Early Summer

  • Native To

    Southern Europe

Growing Conditions

  • Soil pH

    Acidic, Neutral, Alkaline

  • Soil Drainage

    Average

  • Soil type

    Clay, Loam, Sand

  • Tolerances

    Drought, Salt, Soil Compaction

  • Growth Rate

    Medium

  • Water Requirements

    Average Water

  • Habit

    Spreading

  • Seasonal Interest

    Spring, Summer, Fall

Ornamental Features

  • Flower Interest

    Showy

  • Flower Color

    White, Purple, Pink, Magenta

  • Fruit Color

    Green

  • Foliage Color (Spring)

    Green

  • Foliage Color (Summer)

    Green

  • Foliage Color (Fall)

    Red, Bronze

  • Fragrant Flowers

    No

  • Fragrant Fruit

    No

  • Fragrant Foliage

    Yes

  • 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

    Matte

  • Evergreen

    No

  • Showy Bark

    No

Special Characteristics

  • Usage

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

  • Sharp or Has Thorns

    No

  • Invasive

    No

  • Attracts

    Butterflies

  • Self-Sowing

    No