Buphthalmum -

Prefers well-draining, loamy soil but can tolerate a variety of soil types as long as they don't become waterlogged.

The most common species in cultivation. It is a compact, clump-forming perennial that typically grows 18 to 24 inches tall and features willow-like, dark green leaves. buphthalmum

Requires even moisture; the soil should be allowed to dry out partially between waterings to prevent root rot. Prefers well-draining, loamy soil but can tolerate a

Native to northern Italy, this species is noted for its high phenolic content in its roots and shoots. dark green leaves. Requires even moisture