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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Buy Lobelia laxiflora

Also Known As

  • Lobelia mexicana
  • Mexican Cardinal Flower

Plant type

perennial

size

  • H: 2'-3'
  • W: 4'-8'

planting zones

  • 7a-11

3.5” pot | $14

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Fewer than 20 at Secret Garden Growers

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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

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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
Zn 7. Scarlet and yellow flowers. Full sun.
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.
Tubular orange & red flowers. Narrow short leaves

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
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