Buphthalmum | Simple
According to care guides from EarthOne and RHS Gardening , here are the optimal conditions for growing Buphthalmum salicifolium :
Native to northern Italy, this species is noted for its high phenolic content in its roots and shoots.
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
Some sources suggest it has historically been used for its anti-inflammatory and antiseptic properties.
Prefers well-draining, loamy soil but can tolerate a variety of soil types as long as they don't become waterlogged. According to care guides from EarthOne and RHS
A species specific to the island of Sardinia. Growing & Care Instructions
Thrives in bright, direct sunlight (at least 6 hours a day). Some sources suggest it has historically been used
Hardy in USDA Zones 4a through 7b, preferring temperate climates.