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Verbascum bombyciferum (Giant Silver Mullein)

Broussa Mullein, Giant Silver Mullein, Turkish Mullein, Verbascum 'Broussa'

Verbascum bombyciferum, Broussa Mullein, Turkish Mullein, Giant Silver Mullein, Yellow flowers,  Architectural plants, Vertical Plants, Deer Tolerant perennials,
Verbascum bombyciferum, Broussa Mullein, Turkish Mullein, Giant Silver Mullein, Yellow flowers,  Architectural plants, Vertical Plants, Deer Tolerant perennials,

Verbascum bombyciferum (Giant Silver Mullein) is a biennial or short-lived, evergreen perennial forming a rosette of large, heavily felted, silver-green leaves, up to 2 ft. across (60 cm), in its first year. Rising from the center of the rosette, an impressive silvery flower-spike bearing a succession of sulphur-yellow, saucer-shaped flowers, appears in the second year. Blooming from early to late summer, the spike still look attractive for months before starting to die off. Native to Asia Minor, Giant Silver Mullein self-seeds generously, keeping its presence in the garden. A bold, architectural plant that is ideal for the back of the border and perfect in wild and gravel gardens.

  • Grows up to 5-6 ft. tall (150-180 cm) and 18-24 in. wide (45-60 cm).
  • Performs best in full sun in average, dry to medium, well-drained soils. It is not fussy about soils and tolerates poor soils, but good drainage is essential. Plants grown in fertile soils grow taller and may require staking.
  • Drought tolerant and deer resistant, it is fairly pest and disease free. Watch, however, for caterpillars, figwort weevil and powdery mildew.
  • Provides a lovely vertical accent in the garden. Very useful and adaptable, it is well suited for beds and borders, gravel gardens, cottage gardens and wildlife gardens.
  • Remove spent flower spikes before seed sets to promote further blooms and to avoid undesired self-seeding in the garden.
  • Propagate by seed sown in containers in a cold frame in spring or early summer, or by root cuttings in winter.
  • Native to Asia Minor.

Requirements

Hardiness 5 - 9
Heat Zones 2 - 9
Climate Zones 2, 2A, 2B, 3, 3A, 3B, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Plant Type Annuals, Perennials
Plant Family Scrophulariaceae
Genus Verbascum
Common names Mullein
Exposure Full Sun
Season of Interest Summer (Early, Mid, Late)
Height 5' - 6'
(150cm - 180cm)
Spread 1' - 2'
(30cm - 60cm)
Spacing 24" (60cm)
Maintenance Low
Water Needs Low
Soil Type Chalk, Loam
Soil pH Alkaline
Soil Drainage Well-Drained
Characteristics Showy, Evergreen
Tolerance Drought, Deer, Rabbit
Attracts Butterflies, Hummingbirds, Bees
Garden Uses Beds And Borders
Garden Styles Prairie and Meadow, Informal and Cottage, Gravel and Rock Garden
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Alternative Plants to Consider

Verbascum ‘Dark Eyes’ (Mullein)
Verbascum ‘Jackie in Pink’ (Mullein)
Verbascum thapsus (Common Mullein)
Verbascum ‘Honey Dijon’ (Mullein)
Verbascum ‘Plum Smokey’ (Mullein)
Verbascum ‘Gold Nugget’ (Mullein)

Recommended Companion Plants

Verbascum phoeniceum ‘Violetta’ (Purple Mullein)
Lychnis coronaria (Rose Campion)
Helenium ‘Moerheim Beauty’ (Sneezeweed)
Perovskia ‘Blue Spire’ (Russian Sage)

Find In One of Our Guides or Gardens

Verbascum (Mullein)
For the Love of Bees: Best Flowers to Attract them to Your Garden
Native Plant Alternatives to Verbascum thapsus (Common Mullein)
While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.
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Requirements

Hardiness 5 - 9
Heat Zones 2 - 9
Climate Zones 2, 2A, 2B, 3, 3A, 3B, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Plant Type Annuals, Perennials
Plant Family Scrophulariaceae
Genus Verbascum
Common names Mullein
Exposure Full Sun
Season of Interest Summer (Early, Mid, Late)
Height 5' - 6'
(150cm - 180cm)
Spread 1' - 2'
(30cm - 60cm)
Spacing 24" (60cm)
Maintenance Low
Water Needs Low
Soil Type Chalk, Loam
Soil pH Alkaline
Soil Drainage Well-Drained
Characteristics Showy, Evergreen
Tolerance Drought, Deer, Rabbit
Attracts Butterflies, Hummingbirds, Bees
Garden Uses Beds And Borders
Garden Styles Prairie and Meadow, Informal and Cottage, Gravel and Rock Garden
How Many Plants
Do I Need?
Explore Great Plant Combination Ideas
Verbascum (Mullein)
Guides with
Verbascum (Mullein)
Not sure which Verbascum (Mullein) to pick?
Compare Now

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