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SOLANUM rantonnetii

Image of Solanum rantonnetii

James H. Schutte

Family

Solanaceae

Botanical Name

SOLANUM rantonnetii

Plant Common Name

Blue Potato Bush

General Description

Blue potato bush is a sprawling evergreen shrub native to Argentina and Paraguay. Clusters of violet-blue salver-shaped flowers bloom in warm weather throughout the year. The flowers are followed by one-inch red fruits. It requires moist, well-drained soil and full sun. Use it against a wall, in a mixed border, or as a container plant for the garden or greenhouse.

Characteristics

  • AHS Heat Zone

    12 - 6

  • USDA Hardiness Zone

    12 - 15

  • Sunset Zone

    H1, H2, 12, 13, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24

  • Plant Type

    Shrub

  • Sun Exposure

    Full Sun

  • Height

    6'-12' / 1.8m - 3.7m

  • Width

    6'-10' / 1.8m - 3.0m

  • Bloom Time

    Summer, Late Summer, Early Fall, Fall, Indeterminate

  • Native To

    South America

Growing Conditions

  • Soil pH

    Neutral, Alkaline

  • Soil Drainage

    Well Drained

  • Soil type

    Loam

  • Growth Rate

    Fast

  • Water Requirements

    Average Water

  • Habit

    Arching/Fountain-shaped

  • Seasonal Interest

    Spring, Summer, Fall, Winter

Ornamental Features

  • Flower Interest

    Showy

  • Flower Color

    Blue Violet

  • Fruit Color

    Red

  • Foliage Color (Spring)

    Green, Dark Green

  • Foliage Color (Summer)

    Green, Dark Green

  • Foliage Color (Fall)

    Green, Dark Green

  • Foliage Color (Winter)

    Green, Dark Green

  • Bark Color

    Brown

  • Fragrant Flowers

    Yes

  • Fragrant Fruit

    No

  • Fragrant Foliage

    No

  • Bark or Stem Fragrant

    No

  • Flower Petal Number

    Single

  • Repeat Bloomer

    Yes

  • Showy Fruit

    Yes

  • Edible Fruit

    No

  • Showy Foliage

    No

  • Foliage Texture

    Medium

  • Foliage Sheen

    Matte

  • Evergreen

    Yes

  • Showy Bark

    No

Special Characteristics

  • Bark Texture

    Smooth

  • Usage

    Container, Foundation, Groundcover, Houseplant, Mixed Border, Tropical

  • Sharp or Has Thorns

    No

  • Invasive

    No

  • Self-Sowing

    No