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    • Photo of Lobelia laxiflora close-up, flower by Little Prince of Oregon

    Photo by Little Prince of Oregon

    Used with permission, all rights reserved.

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    Lobelia laxiflora

    Also Known As

    • Lobelia mexicana
    • Mexican Cardinal Flower

    Plant type

    perennial

    size

    • H: 2'-3'
    • W: 4'-8'

    planting zones

    • 7a-11

    More Options

    Lobelia laxiflora plant details

    Lobelia laxiflora is a broadleaf deciduous or semi-evergreen perennial with green foliage. In summer red and yellow flowers emerge. Attracts bees and hummingbirds making it an excellent addition to pollinator gardens. Grows well with sun - mostly sun and regular - low water. Drought tolerant once established. Adapts to various soil conditions. Does well in average, clay, gritty, rich and well-drained soil. A good option if you're seeking something heat tolerant and humidity tolerant.

    CHARACTERISTICS OF Lobelia laxiflora

    Plant type: perennial
    Plant family: campanulaceae
    Foliage: deciduous or semi-evergreen green
    Mature size: 4 FT - 8 FT - wide, 2 FT - 3 FT - tall
    Flowers: red and yellow blooms in summer
    Uses: border plant, cottage garden, long-blooming, rock garden, showy, spreading

    GROWING CONDITIONS for Lobelia laxiflora

    USDA Zones: 7a - 11
    Sun exposure: sun - mostly sun
    Watering frequency: regular - low
    Resistant to: heat and humidity
    Soil needs: average, clay, gritty, rich and well-drained

    Nursery contributed plant descriptions

    Sweet but TENDER perennial from Mexico, 2-3’ semi lax upright stems bear a continuous display of orange red tubular flowers with a pouting yellow bottom lip that are hummer candy! These bloom all winter in our cool greenhouse and our hummers seek them out during the gray months! Average garden soil…sun to part shade, needs moisture; hardy to about 25 degrees. USDA Z9

    By: Secret Garden Growers

    Zn 7. Scarlet and yellow flowers. Full sun.

    By: Little Prince of Oregon

    An extremely durable perennial for the mixed border, this Mexican native tosses red and orange, tubular flowers all summer to delight the hummingbirds. To 1-3 ft tall, spreading by underground rhizomes to forms clumps of red stems with attractive, narrow green leaves. Easy in sun to shade with average summer water. Dies back when temperatures drop into the low 20s and recovers easily at 10F, USDA zone 8.

    By: Cistus Nursery

    Tubular orange & red flowers. Narrow short leaves

    By: Jockey Hill Nursery

    Gardening facts about Lobelia laxiflora plant

    How to Grow Lobelia laxiflora

    • Sun Exposure

      • sun - mostly sun

    • Water Needs

      • regular - drought tolerant

    • Soil Needs

      • clay
      • adaptable
      • average
      • well-drained
      • rich
      • gritty

    • Special Situation

      • heat tolerant
      • humidity tolerant

    Features

    • Foliage Color

      • green

    • Flower Color

      • red
      • yellow

    • Wildlife

      • bees
      • hummingbirds

    • Flower Season

      • summer

    • Foliage Season

      • deciduous
      • semi-evergreen

    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 'Bruce Wakefield'

    Plant Type

    Perennial

    Zones

    7b-10a

    Size

    Height: 5'-6'

    Width: 4'-6'

    • sun
    • regular - occasional
    Photo of Lobelia 'Bruce Wakefield' flowers, foliage by Secret Garden Growers
    View Plant

    More Options

    +65 more Lobelia
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