Dark mullein (Verbascum nigrum) is a plant in the annuals and biennials category that can grow 50cm – 1.5m tall and 50cm – 1.5m wide.
This plant has several common names including: dark mullein, black-rooted mullein or tall mullein.
This is a semi-evergreen plant that takes 1-2 years to reach full maturity.
Plant profile
Common name: dark mullein, black-rooted mullein, tall mullein
Scientific name: Verbascum nigrum
Plant type: Annual / Biennial, Perennials
Habit: Columnar / Upright
Height: 50cm – 1.5m
Spread: 50cm – 1.5m
Foliage: Semi-evergreen
Sunlight: Full Sun
Soil: Chalk, Clay, Loam, Sand
Moisture: Well drained
Garden type: Wildflower meadow, Wildlife Gardens
Other characteristics: Plants for pollinators
Seasonal colors
| Season | Stem | Foliage | Flower | Fruit |
|---|---|---|---|---|
| Spring | ||||
| Summer | ||||
| Autumn | ||||
| Winter |
How to plant Dark mullein (Verbascum nigrum) – Daniel Ballmer, CC BY-SA 4.0, via Wikimedia Commons
Cultivation profiles – Growing Dark mullein (Verbascum nigrum) – Nicolas Weghaupt, CC0, via Wikimedia Commons
