| | | Family | Scrophulariaceae | | Plant Type | herbaceous perennial | | Zone | USDA: 5a - 8b RHS: H EGF: H1 - H4 Australia: 1 - 2 | | Care Level | low, easy, suitable for beginners. | | Height | 60 - 90 cm (2 - 3 ft) | | Spread | 45 - 60 cm (1.5 - 2 ft) | | Light | full sun | | Soil Moisture | low to average, well-drained | | Soil Type | | | Soil pH | | | | Description | The herbaceous perennial Verbascum chaixii (nettle-leaved mullein) bears showy blossoms during late spring to mid summer. | | Cautions | Where conditions are favourable, Verbascum chaixii (nettle-leaved mullein) can be invasive and may require maintenance to keep it under control. | | |