Mullein

Verbascum bombyciferum

Photo/Illustration: 
Michelle Gervais
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Mullein (Verbascum bombyciferum)
ver-BASS-kum bom-bih-SIF-er-um
Synonyms:  V. broussa
Genus:  Verbascum
This biennial or short-lived perennial has evergreen woolly leaves like silvery flannel that make sensuous-looking rosettes in the first year. In mid- to late summer of its second year, large sulfur-yellow blossoms open from the bottom up on flower stalks that reach up to 6 feet high. Blooming continues for many weeks.  Verbascum bombyciferum has naturalized in regions of the U.S.
Noteworthy Characteristics:  This species is found on dry, stony hillsides and open woodlands, but is well-adapted to cottage, gravel, and rock gardens or naturalized areas. It will self-sow, but not as a nuisance.
Care:  Provide well-drained soil in full sun. Verbascums tend to flop in fertile soil.
Propagation:  Sow seeds directly in the garden in spring or in containers under a cold frame. Divide in spring.
Problems:  Powdery mildew and other fungal leaf spots. Caterpillars.

Overview

Height
3 ft. to 6 ft.
Spread
1 ft. to 3 ft.
Growth Habit
Clumps
Growth Pace
Moderate Grower
Light
Full Sun Only
Moisture
Medium Moisture
Maintenance
Low
Characteristics
Self Seeds,
Showy Flowers,
Showy Foliage
Bloom Time
Late Summer,
Summer
Flower Color
Yellow Flower
Foliage Color
Evergreen,
Silver/Grey
Uses
Beds and Borders,
Naturalizing,
Roadside
Style
Cottage Garden
Seasonal Interest
Spring Interest
Tolerance
Deer Tolerant,
Drought Tolerant,
Frost Tolerant
Type
Perennials

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