Broussa mullein (Verbascum bombyciferum)

Broussa mullein (Verbascum bombyciferum) is a perennial plant that can grow 1.5m – 3m tall and 50cm – 1.5m wide. In this growing guide we’ll learn the cultivation details and how to plant Broussa mullein (Verbascum bombyciferum).
This plant is commonly known as Broussa mullein.
This is a evergreen plant that takes 1-2 years to reach full maturity.
In this article
Plant profile
Common name: Broussa mullein
Scientific name: Verbascum bombyciferum
Plant type: Perennials
Habit: Columnar / Upright
Height: 1.5m – 3m
Spread: 50cm – 1.5m
Foliage: Evergreen
Sunlight: Full Sun
Soil: Chalk, Loam
Moisture: Well drained
Garden type: Informal Garden, Rock & Gravel Garden, Wildlife Gardens
Planting type: Flower borders and bedding
Other characteristics: Drought resistant, Plants for pollinators
Seasonal colors
Season | Stem | Foliage | Flower | Fruit |
---|---|---|---|---|
Spring | ||||
Summer | ||||
Autumn | ||||
Winter |

How to plant Broussa mullein (Verbascum bombyciferum) – Shelagh Fritz, Public domain, via Wikimedia Commons
Perennial plants are one of the largest groups of plants.
They offer color, shape, fragrance and seasonal textures. The variety is such that there are plants to suit all sizes and styles of garden.
Traditionally, perennials are grown in borders, using a wall or hedge as a backdrop to bring out all their splendor during summer.
But since most gardens are not large enough for long borders dedicated exclusively to perennials, they are usually planted in mixed borders and beds, along with shrubs, annuals, biennials, and bulbs that extend the season of interest.
How to plant
In this section we will learn how to plant Broussa mullein (Verbascum bombyciferum), know its needs in terms of soil, watering and sun exposure.
Soil
Broussa mullein (Verbascum bombyciferum) is a plant that prefers to grow in chalk or loam.
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The chalky soil is pale and contains chunks of calcium-rich rock. It is a fertile and well-draining soil, almost always alkaline.
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The loam soil is dark, rich in organic matter but balanced in minerals. It offers the best of all worlds, retaining enough water for the plants, but allowing excess moisture to drain away. This is the most desired type of garden soil, perfect for most plants.
As for pH, it is a plant that grows ideally in soils with pH alkaline pH.
Regarding drainage, Verbascum bombyciferum likes to grow in well drained soil.
Sunlight
Broussa mullein (Verbascum bombyciferum) should be grown in full sun places.

Cultivation profiles – Growing Broussa mullein (Verbascum bombyciferum) – Ghislain118 http://www.fleurs-des-montagnes.net, CC BY-SA 3.0, via Wikimedia Commons