How to Fertilize orange mullein?
Balanced perennial feed every four weeks from spring through summer

orange mullein · Verbascum phlomoides
Also known as: woolly mullein
Grow in poor, alkaline, well-drained soil in full sun. A drought-tolerant plant, it grows large and needs support in fertile soils (see staking perennials)
Balanced perennial feed every four weeks from spring through summer