How to Fertilize Triosteum himalayanum?
Balanced perennial feed every four weeks spring through summer growth

Triosteum himalayanum · Triosteum himalayanum
Grow in humus-rich, moist but well-drained soil, ideally in light or part shade with shelter from cold winds. May tolerate full sun where soils are consistently moist. Ideal for a woodland garden
Balanced perennial feed every four weeks spring through summer growth