Plant Calculator
Enter the approximate length and width of the area you will be planting and click 'Calculate' to determine how many Ricinus zanzibarensis you will need.
*Correct and successful spacing is complex and depends on project conditions.
Ricinus zanzibarensis
Castor Bean
- Castor bean plants are erect, rapid-growing tender perennials that stand out in garden beds and containers
- Zanzibariensis has a monstrous, palmate leaf and is a tall plant, growing up to 5 feet in one season
- Eye catching shiny green leaves!
- Category: Annuals
- Program: Garden Geeks™
- Hardiness Zone: 9 - 11
- Height: 3-8 ft
- Spread: 36-60 in