Last name : Ricinus communis
Type: Annual shrub
Height: 2 to 4 m
Weather : Hot
Ground : Rich enough
In spring, in a soil preferably mixed with potting soil and ideally with an organic amendment such as manure and algae.
If you are sowing castor seeds, prefer a seedlings in the nursery in March with planting in the ground in May after any risk of temperature relapse.
No pruning is necessary, especially as this shrub lasts only a year.
Original by its flowers in thorny balls, the castor bean also has the distinction of being cultivated as an annual.
Relatively easy to maintain and very quick to grow, it is nonetheless very fragile when the temperature is low.
So install it out of the wind and in a sunny spot.
Smart tip about castor bean
It is recommended to soak castor seeds for 24 hours in water before sowing them.