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    • Photo of Symphyotrichum oblongifolium flower by Annie's Annuals & Perennials

    Photo by Annie's Annuals & Perennials

    Used with permission, all rights reserved

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    Symphyotrichum oblongifolium

    Also Known As

    • Aster oblongifolia
    • Aster oblongifolius
    • Aromatic Aster
    • Fall Aster

    Plant type

    perennial

    size

    • H: 2'-3'
    • W: 2'-3'

    planting zones

    • 3a-10b

    More Options

    Symphyotrichum oblongifolium plant details

    Symphyotrichum oblongifolium is a broadleaf deciduous perennial with green foliage. In fall and summer blue, lavender and purple flowers emerge. Attracts bees, beneficial insects, birds and butterflies making it an excellent addition to pollinator gardens. Grows well with sun - mostly sun and even moisture - low water. Drought tolerant once established. Adapts to various soil conditions. Does well in average, lean and well-drained soil. A good option if you're seeking something seaside / salt tolerant.

    CHARACTERISTICS OF Symphyotrichum oblongifolium

    Plant type: perennial
    Plant family: asteraceae
    Foliage: deciduous green
    Mature size: 2 FT - 3 FT - wide, 2 FT - 3 FT - tall
    Flowers: blue, lavender and purple blooms in fall and summer

    GROWING CONDITIONS for Symphyotrichum oblongifolium

    USDA Zones: 3a - 10b
    Sun exposure: sun - mostly sun
    Watering frequency: even moisture - low
    Resistant to: deer and rabbit, seaside / salt
    Soil needs: average, lean and well-drained

    Nursery contributed plant descriptions

    Called aromatic aster for the scent of its crushed foliage, typical lavender aster flowers in late summer and fall. ZONE 4

    By: Arrowhead Alpines

    Tolerant of clay, dry, rocky or sandy soil & coastal conditions. This super showy & low growing bushy, robust perennial is also valuable for being just about the last Aster to bloom in fall. Bursting into a mass of bloom in August till Oct-Nov, “Aromatic Aster” bears hundreds of 1 1/4” lavender blue daisies with yellow centers on slender stems and has aromatic leaves. Even before it blooms you’ll enjoy the attractive dense gray-green foliar mound it presents in the garden all Summer long. Like most perennial Asters, its also is an excellent habitat plant, highly attractive to butterflies, bees, caterpillars, moths & birds. Excellent cut flowers too! Cut back in early summer for a more compact plant. Cut back after bloom as well.

    By: Annie's Annuals & Perennials

    Gardening facts about Symphyotrichum oblongifolium plant

    How to Grow Symphyotrichum oblongifolium

    • Sun Exposure

      • sun - mostly sun

    • Water Needs

      • even moisture - drought tolerant

    • Soil Needs

      • adaptable
      • average
      • lean
      • well-drained

    • Special Situation

      • seaside / salt tolerant

    Features

    • Foliage Color

      • green

    • Flower Color

      • blue
      • lavender
      • purple

    • Wildlife

      • beneficial insects
      • birds
      • bees
      • butterflies
      • deer resistant
      • rabbit resistant

    • Flower Season

      • summer
      • fall

    • Foliage Season

      • deciduous

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