A rare native along roadsides in Norfolk and Suffolk, a rare casual elsewhere
Verbascum pulverulentum is a BIENNIAL growing to 1.8 m (6ft).
It is hardy to zone (UK) 3. It is in flower from July to August, and the seeds ripen from August to September. The species is hermaphrodite (has both male and female organs) and is pollinated by Flies, Lepidoptera (Moths & Butterflies). The plant is self-fertile.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and prefers well-drained soil. Suitable pH: acid, neutral and basic (alkaline) soils and can grow in very alkaline soils.
It cannot grow in the shade. It prefers dry or moist soil.
How to get rid of:
Spray the common mullein weeds with a 2 percent solution of glyphosate or triclopyr and water, mixed with a non-ionic surfactant, following the instructions on the label exactly.