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    Lobelia siphilitica [blue selection]

    Also Known As

    • Lobelia siphilitica 'Blue Selection'
    • Blue Cardinal Flower

    Plant type

    perennial

    size

    • H: 24"-36"
    • W: 12'

    planting zones

    • 3a-9b

    More Options

    Lobelia siphilitica [blue selection] plant details

    Lobelia siphilitica [blue selection] is a broadleaf deciduous perennial with green foliage. In summer blue flowers emerge. Attracts bees, butterflies and hummingbirds making it an excellent addition to pollinator gardens. Grows well with sun - mostly sun and regular water. Does well in average and well-drained soil.

    CHARACTERISTICS OF Lobelia siphilitica [blue selection]

    Plant type: perennial
    Plant family: campanulaceae
    Foliage: deciduous green
    Mature size: 12 FT wide, 24 IN - 36 IN - tall
    Flowers: blue blooms in summer
    Uses: border plant, cottage garden

    GROWING CONDITIONS for Lobelia siphilitica [blue selection]

    USDA Zones: 3a - 9b
    Sun exposure: sun - mostly sun
    Watering frequency: regular
    Resistant to: deer
    Soil needs: average and well-drained

    Gardening facts about Lobelia siphilitica [blue selection] plant

    How to Grow Lobelia siphilitica [blue selection]

    • Sun Exposure

      • sun - mostly sun

    • Water Needs

      • regular

    • Soil Needs

      • average
      • well-drained

    Features

    • Foliage Color

      • green

    • Flower Color

      • blue

    • Wildlife

      • bees
      • butterflies
      • hummingbirds
      • deer resistant

    • Flower Season

      • summer

    • Foliage Season

      • deciduous

    See other plant types of Lobelia for your garden

    Lobelia polyphylla

    Plant Type

    Perennial

    Zones

    8a-10b

    Size

    Height: 3'-5'

    Width: 2'

    • sun - mostly shade
    • regular
    Photo of Lobelia polyphylla flower by J.G. in SF
    View Plant

    Lobelia tupa

    aka Devil's tobacco, Tabaco del Diablo

    Plant Type

    Perennial

    Zones

    7a-10b

    Size

    Height: 4'-8'

    Width: 3'-4'

    • sun - mostly sun
    • regular - drought tolerant
    Photo of Lobelia tupa foliage by Secret Garden Growers
    View Plant

    Lobelia aberdarica

    aka Giant African Lobelia

    Plant Type

    Perennial, Aquatic

    Zones

    9b-11

    Size

    Height: 6'

    Width: 4'

    • sun - mostly sun
    • low
    Photo of Lobelia aberdarica foliage by J.G. in SF
    View Plant

    Lobelia giberroa

    aka Lobelia gibberoa, Giant Lobelia

    Plant Type

    Perennial

    Zones

    9a-11

    Size

    Height: 16'-18'

    Width: 3'-6'

    • sun - mostly shade
    Photo of Lobelia giberroa flower, form by Annie's Annuals & Perennials
    View Plant

    More Options

    Lobelia laxiflora

    aka Lobelia mexicana, Mexican Cardinal Flower

    Plant Type

    Perennial

    Zones

    7a-11

    Size

    Height: 2'-3'

    Width: 4'-8'

    • sun - mostly sun
    • regular - drought tolerant
    Photo of Lobelia laxiflora close-up, flower by Little Prince of Oregon
    View Plant

    More Options

    +65 more Lobelia
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