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Firespike in the GardenTags plant encyclopedia

Odontonema Strictum

 

Firespike

Odontonema are tropical perennials or shrubs native to Columbia. They have large leaves and flowers which are clustered in the axils of bracts,that form a plume-shaped flower-head. Odontonema strictum bears red tubular flowers in late Summer and Autumn, that may be followed by hairless, club-shaped seed capsules.

 
plant Features
  • Firespike likes full sun

    Full sun

  • Firespike likes occasional watering

    Occasional watering

  • Firespike is not frost hardy

    Not Frost hardy

  • Firespike likes moist and free draining

    Moist and free draining

 
plant information

Common name

Firespike

Latin name

Odontonema Strictum

type

Evergreen Shrub

family

Acanthaceae

ph

5.5 - 8.5 Acid - Neutral

  • Light

    Firespike likes full sun

    Full sun

  • Frost

    Firespike is not frost hardy

    Not Frost hardy

  • Soil

    Firespike likes moist and free draining

    Moist and free draining

  • Water

    Firespike 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 Firespike is 1.50meters x 2.50meters 1.50 M 2.50 M

Odontonema Strictum

Odontonema are tropical perennials or shrubs native to Columbia. They have large leaves and flowers which are clustered in the axils of bracts,that form a plume-shaped flower-head. Odontonema strictum bears red tubular flowers in late Summer and Autumn, that may be followed by hairless, club-shaped seed capsules.


Flowering

From Late Summer TO Mid Autumn

Tubular red flowers appear from late Summer to Autumn

 

Propagating by cuttings

From Late Spring TO Early Summer

Take softwood cuttings from new growth early in the day in Spring or early Summer. Cut, neatly, a 4" approx. piece of a non-flowering shoot, pinch out the tip, and cut off the bottom leaves. Dip the bottom of the cutting in hormone rooting powder, and carefully place in a pot of cutting compost with the leaves just above the level of the compost. Water, label, cover with a polythene bag, and place in a warm, bright place, out of direct sunlight. Take the polythene bag off periodically for a while for ventilation (at least twice a week)

 

Planting

From Early Spring TO Late Spring

Unless you are in an area with a tropical or sub-tropical climate this is a plant that will need to be grown in a container indoors. Grow in John Innes No. 3 compost, and place the container in bright, filtered light. If grown outdoors, plant in a sheltered sunny spot in moist but free-draining soil

 
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