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Heliotropium arborescens

Image of Heliotropium arborescens

Jessie Keith

Family

Boraginaceae

Botanical Name

Heliotropium arborescens

Plant Common Name

Blue Heliotrope

General Description

What a classic old-fashioned bedding plant. Garden heliotrope is a tender fragrant summer garden flower that originates from Peru. It is commonly grown as a bedding annual but is a shrubby evergreen perennial where hardy. In the Victorian era is was especially popular in the garden and was commonly referred to as "cherry pie" due to its intoxicatingly sweet fragrance.

This bushy plant has attractive deep green leaves with deep venation. When conditions are favorable, it produces large, rounded clusters of many tiny tubular violet-blue or purple flowers. These have a sweet, fruity fragrance. The sweet blooms are irresistible to butterflies and bees and are followed by brown fruits. Regular deadheading will keep the plants looking fresh while encouraging further flowering.

Heliotrope prefers full to partial sun and evenly moist, but well-drained, fertile soil. Regular deadheading will keep flowers coming in profusion as will regular fertilizer. Plant this favorite bedding plant anywhere where cool bright color is desired.

Characteristics

  • AHS Heat Zone

    10 - 1

  • USDA Hardiness Zone

    9 - 13

  • Sunset Zone

    H1, H2, 15, 16, 17, 23, 24

  • Plant Type

    Tender Perennial

  • Sun Exposure

    Full Sun, Partial Sun

  • Height

    12"-48" / 30.5cm - 121.9cm

  • Width

    12"-18" / 30.5cm - 45.7cm

  • Bloom Time

    Indeterminate

  • Native To

    South America

Growing Conditions

  • Soil pH

    Acidic, Neutral

  • Soil Drainage

    Well Drained

  • Soil type

    Clay, Loam

  • Growth Rate

    Fast

  • Water Requirements

    Average Water

  • Habit

    Clump-Forming

  • Seasonal Interest

    Spring, Summer, Fall, Winter

Ornamental Features

  • Flower Interest

    Showy

  • Flower Color

    Purple, Blue Violet

  • Foliage Color (Spring)

    Dark Green

  • Foliage Color (Summer)

    Dark Green

  • Foliage Color (Fall)

    Dark Green

  • Foliage Color (Winter)

    Dark Green

  • Fragrant Flowers

    Yes

  • Fragrant Fruit

    No

  • Fragrant Foliage

    No

  • Bark or Stem Fragrant

    No

  • Flower Petal Number

    Single

  • Repeat Bloomer

    Yes

  • Showy Fruit

    No

  • Edible Fruit

    No

  • Showy Foliage

    Yes

  • Foliage Texture

    Coarse

  • Foliage Sheen

    Matte

  • Evergreen

    Yes

  • Showy Bark

    No

Special Characteristics

  • Usage

    Bedding Plant, Container, Mixed Border, Tropical

  • Sharp or Has Thorns

    No

  • Invasive

    No

  • Attracts

    Butterflies

  • Self-Sowing

    No