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Stokesia laevis

Image of Stokesia laevis

Mark Kane

Family

Asteraceae

Botanical Name

Stokesia laevis

Plant Common Name

Stoke's Aster

General Description

Stoke's aster is a cheery, herbaceous to semi-evergreen perennial that hails from the southeastern United States. It blooms for several weeks from late spring to autumn with flowers that may be white, blue, pink, or purple cornflower-like blooms with fringed petals surrounding a disk of darker or lighter florets, depending on the cultivar. In the wild, its flowers are commonly lavender-blue. Blooms appear above a coarse rosette of dark green, lance-like foliage, which is evergreen in its southern-most zones. Stoke’s asters are long-lasting, both in the garden and for cutting, and attract butterflies. Regularly deadhead spent blooms to prolong flowering.

Wet winter soil is the most common cause of death for Stoke's aster, as it requires light, well drained, slightly acidic soil. It thrives in full sun, but will tolerate partial or filtered sun, and leaf spot and caterpillars are occasionally problems. This easy-to-grow perennial looks best planted in groups of three or more and is ideal for the front of a mixed border or cottage garden.

Characteristics

  • AHS Heat Zone

    9 - 5

  • USDA Hardiness Zone

    5 - 9

  • Sunset Zone

    2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24

  • Plant Type

    Perennial

  • Sun Exposure

    Full Sun

  • Height

    18"-24" / 45.7cm - 61.0cm

  • Width

    18"-24" / 45.7cm - 61.0cm

  • Bloom Time

    Late Spring, Early Summer, Summer, Late Summer, Early Fall, Fall

  • Native To

    Southeastern United States

Growing Conditions

  • Soil pH

    Acidic

  • Soil Drainage

    Well Drained

  • Soil type

    Loam, Sand

  • Growth Rate

    Medium

  • Water Requirements

    Drought Tolerant, Average Water

  • Habit

    Rosette/Stemless

  • Seasonal Interest

    Spring, Summer, Fall

Ornamental Features

  • Flower Interest

    Showy

  • Flower Color

    White, Blue, Pink, Lavender, Blue Violet

  • Flower Color Modifier

    Bicolor

  • Foliage Color (Spring)

    Dark Green

  • Foliage Color (Summer)

    Dark Green

  • Foliage Color (Fall)

    Dark Green

  • Foliage Color (Winter)

    Dark Green, Brown

  • Fragrant Flowers

    Yes

  • Fragrant Fruit

    No

  • Fragrant Foliage

    No

  • Bark or Stem Fragrant

    No

  • Flower Petal Number

    Single, Semi-Double

  • Repeat Bloomer

    Yes

  • Showy Fruit

    No

  • Edible Fruit

    No

  • Showy Foliage

    Yes

  • Foliage Texture

    Coarse

  • Foliage Sheen

    Matte

  • Evergreen

    Semi-Evergreen

  • Showy Bark

    No

Special Characteristics

  • Usage

    Bedding Plant, Container, Cutflower, Mixed Border

  • Sharp or Has Thorns

    No

  • Invasive

    No

  • Attracts

    Butterflies

  • Self-Sowing

    No