Crown of Thorn

Crown of thorns, scientifically known as Euphorbia milii, is an attractive yet prickly succulent shrub found in tropical regions. This slow-growing plant can reach 3 to 6 feet tall outdoors or 2 feet as a houseplant.

Full, partial sun exposure

Needs well-draining soil.

Give water when the soil becomes dry 1 inch past the soil line.