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Caster Oil Plant Red Giant in the GardenTags plant encyclopedia

Ricinus communis 'Red Giant'

 

Caster Oil Plant 'Red Giant'

Ricinus communis has green leaves shaped like palms with varying numbers of 'fingers' which have serrated edges. It produces spikes of small reddish coloured flowers, after which seed pods form. It is often grown as a half-hardy annual. WARNING: all parts of the plant, including the seeds, for all Ricinus species are poisonous. Please handle with care and always wash hands after handling any part of the plant or seeds. 'Red Giant' has deep red stems, leaves and flowers.

Contributed by @trees.p

 
plant Features
  • Caster Oil Plant Red Giant likes full sun

    Full sun

  • Caster Oil Plant Red Giant likes occasional watering

    Occasional watering

  • Caster Oil Plant Red Giant is frost hardy: 23f (-5°c)

    Frost Hardy: 23F (-5°C)

  • Caster Oil Plant Red Giant likes moist and fertile

    Moist and fertile

 
plant information

Common name

Caster Oil Plant 'Red Giant'

Latin name

Ricinus communis 'Red Giant'

type

Perennial Flowering plant

family

Euphorbiaceae

ph

5.0 - 8.5 Acid - Neutral

  • Light

    Caster Oil Plant Red Giant likes full sun

    Full sun

  • Frost

    Caster Oil Plant Red Giant is frost hardy: 23f (-5°c)

    Frost Hardy: 23F (-5°C)

  • Soil

    Caster Oil Plant Red Giant likes moist and fertile

    Moist and fertile

  • Water

    Caster Oil Plant Red Giant 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 Caster Oil Plant Red Giant is 1.00meters x 1.50meters 1.00 M 1.50 M

Ricinus communis 'Red Giant'

Ricinus communis has green leaves shaped like palms with varying numbers of 'fingers' which have serrated edges. It produces spikes of small reddish coloured flowers, after which seed pods form. It is often grown as a half-hardy annual. WARNING: all parts of the plant, including the seeds, for all Ricinus species are poisonous. Please handle with care and always wash hands after handling any part of the plant or seeds. 'Red Giant' has deep red stems, leaves and flowers.


Planting Outdoors

From Mid Spring TO Late Spring

Once frosts have gone plant out into a position that is in full sun, water in well.

 

Propagation by seed

From Mid Spring TO Late Spring

Seeds need to be soaked for a day before planting, sow into separate 3 inch pots. Pot on into larger pots when roots start poking through the bottom. Plant out after all signs of frost have gone. Save the seeds for propagating the following year.

 

Flowering

From Late Spring TO Late Summer

Spikes of reddish small flowers after which seed pods, after which seed pods form.

 
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Gardeners who are growing this plant