The Castor plant (Ricinus communis) is a fast-growing perennial shrub known for its large, glossy, palmate leaves and distinctive seed pods. It typically grows to a height of 6 to 10 feet or more, with a spread of about 4 to 6 feet. The plant's lush foliage, which ranges in color from green to deep red or purple, and its unique spiny seed pods add a striking, tropical appearance to any garden.
 
Category: The Castor plant would fit into the "Bushes and Shrubs" category, as seen in your image, because of its growth habit and size.
 
Climate and Soil Requirements: The Castor plant thrives in USDA hardiness zones 9 through 11, but it is often grown as an annual in cooler climates. It prefers full sun and grows best in well-drained, fertile soil. The plant is drought-tolerant once established but benefits from regular watering during dry periods to encourage vigorous growth.
 
Ideal For: The Castor plant is suitable for gardeners seeking a dramatic, fast-growing shrub to add bold texture and color to the landscape. It is often used as a specimen plant or in mixed borders for its ornamental appeal. However, caution should be exercised as all parts of the plant, especially the seeds, are highly toxic if ingested.