Please make sure JavaScript is enabled.

Before You Leave…

Download the GardenTags App today and join 100,000+ gardeners getting FREE plant identification, garden management and more!

no thanks

 
Mexican lobelia in the GardenTags plant encyclopedia

Lobelia Laxiflora

 

Mexican lobelia

A perennial plant which is easy to grow. Upright stems of glossy green leaves support red flowers that appear from mid-summer over a long season. Best in part shade in a moist or wet soil. Enrich the soil before planting by adding organic matter. Water frequently in dry weather through the growing season. Cut back old stems in late spring when new leaves are spotted at the base of the plant. Lobelia Laxiflora sports brilliant red and yellow two-lipped tubular flowers. It is a sun-loving perennial which blooms brilliantly until frost. Hardy. Plant in sun /part shade. Height to 90cm.

Contributed by @seasidegirl

 
plant Features
  • Mexican lobelia likes partial shade

    Partial shade

  • Mexican lobelia likes occasional watering

    Occasional watering

  • Mexican lobelia is frost hardy: 23f (-5°c)

    Frost Hardy: 23F (-5°C)

  • Mexican lobelia likes moist and rich

    Moist and rich

 
plant information

Common name

Mexican lobelia

Latin name

Lobelia Laxiflora

type

Perennial

family

Campanulaceae

ph

5.0 - 7.5 Acid - Neutral

  • Light

    Mexican lobelia likes partial shade

    Partial shade

  • Frost

    Mexican lobelia is frost hardy: 23f (-5°c)

    Frost Hardy: 23F (-5°C)

  • Soil

    Mexican lobelia likes moist and rich

    Moist and rich

  • Water

    Mexican lobelia likes occasional watering

    Occasional watering

Plant & bloom calendar

  •  
    Best time to plant
  •  
    When the plant will bloom

full grown dimensions

The size of a fully grown Mexican lobelia is 0.35meters x 0.90meters 0.35 M 0.90 M

Lobelia Laxiflora

A perennial plant which is easy to grow. Upright stems of glossy green leaves support red flowers that appear from mid-summer over a long season. Best in part shade in a moist or wet soil. Enrich the soil before planting by adding organic matter. Water frequently in dry weather through the growing season. Cut back old stems in late spring when new leaves are spotted at the base of the plant. Lobelia Laxiflora sports brilliant red and yellow two-lipped tubular flowers. It is a sun-loving perennial which blooms brilliantly until frost. Hardy. Plant in sun /part shade. Height to 90cm.


Planting Outdoors Spring

From Early Spring TO Early Spring

Enrich the soil before planting by adding organic matter - home made garden compost or well rotted manure is fine.

 

Flowering Season

From Mid Summer TO Late Autumn

Lobelia speciosa varieties produce flowers that appear from midsummer onwards over a long season.

 

Propagate by seed

From Late Winter TO Early Spring

Lobelia Speciosa seed can be sown in late Winter. at a temperature of 15 deg.- 18 deg.C.

 
Subscribe to GardenTags Premium to get personalised planting tasks and more for your entire plant collection
 
Gardeners who are growing this plant