How to grow Castor beans

Castor beans grow and care – shrub‎ or small tree of the genus Ricinus also known as Castor bean, Castor beans perennial evergreen or cold deciduous and in colder areas annual, used as ornamental hedge drought tolerant plant or medical plant, can grow in tropics, mediterranean, desert, subtropics or temperate climate and growing in hardiness zone 9+ (as perennial) 6+ (as annual).

Leaves color can be: green, red or both, leaves lobed 5-10 mostly 9 lobes can be pointed lobe in the top.

Castor beans flower

Flower color can be: red, orange or green with red for female flower male flowers green and yellow, the flowers grow on inflorescences and looks like pompon.

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How to grow Castor beans growing and care:

Warm season

What is the best way to start growing?
Plant / Seed / Vegetative reproduction / Basal shoot

Is it necessary to graft or use vegetative reproduction?

Difficulties or problems when growing:
Poisonous, invasive, basal shoot

Planting season:
Spring / Autumn in warmer climates

Pests and diseases:
Larva, castor butterfly

Pruning season:
All year

How to prune:
Just for design and if there is little children also the bud of the bloom

Size of the plant?
1-10 m, 3-30 feet

Growth speed in optimal condition:
Fast growing

Water requirement:
Small amount of water

Light conditions in optimal condition for growing:
Full Sun / Half Shade

Is it possible to grow indoor as houseplant?

Growing is also possible in a planter /flowerpot / containers:

Blooming information

Bloom season:
Summer / Autumn / Winter (rarely in hot summer)

General information about the flower
Pompon flower color can be: red, orange or green with red for female flower male flowers green and yellow, the flowers grow on inflorescences

Scientific name:

Ricinus communis

How to grow Castor beans

Ricinus communis

Growing Castor beans

Castor beans

Castor beans plant care

Castor beans flower

Castor beans sowing

Growing Castor beans plant

Ricinus communis plant care


Blooming Seasons
  • Autumn flowers
  • Spring flowers
  • Winter flowers
Flower colors
  • Green flower
  • Orange flower
  • Red flower
  • Yellow flower
  • Mediterranean Climate
  • Subtropics Climate
  • Temperate Climate
  • Tropics Climate
Leaf color
  • Red leaves
Ornamental parts
  • Ornamental flower
  • Ornamental fruit
  • Ornamental leaves
  • Ornamental plant
Plant growing speed
  • Average growing plants
  • Fast growing plants
Plant life-form
  • Annual plant
  • Deciduous
  • Evergreen
  • Perennial plant
  • Shrub
  • Tree
Plant Uses
  • Colored leaves
  • Drought tolerant plants
  • Ground fixing plants
  • Hedging plants
  • Medical uses
  • Ornamental plants
Planting Season
  • Autumn Planting
  • Spring Planting
Plants sun exposure
  • Full sun Plants
  • Part shade Plants
Watering plants
  • Small amounts of water
Hardiness zone
  • Hardiness zone 10
  • Hardiness zone 11
  • Hardiness zone 13
  • Hardiness zone 6
  • Hardiness zone 7
  • Hardiness zone 8
  • Hardiness zone 9