Trumpet lilies are among the noblest and most mysterious of lilies. Their unusually strong smell is dizzying on summer evenings. It blooms at the end of July. It should be planted in neutral to slightly calcareous, well-amended soil. If the soil is acidic, it is neutralized with wood ash, ground chalk or dolomite flour. It is planted 3 onions deep, it is preferable to cover it a little with peat or leaves for the winter.