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Scientific Name:
Verbascum nigrum
Pronunciation:
vur-BASS-kum NYE-grum
Common Name:
dark mullein
Family Name:
Plantaginaceae
Plant Type:
Herbaceous perennial, Weed (horticultural)
Key ID Features:
Leaves dark green, very rugose, margin scalloped, petiole reddish; florets bright yellow on a tall raceme.

Habit:
Upright
Form:
Mounded, Oval - vertical
Texture:
Very coarse
Mature Height:
0.7 - 1.3m
Mature Spread:
0.3 - 0.6m
Growth Rate:
Fast
Origin:
Europe
Hardiness Rating:
Zone 3: (-40 to -34 °C)
Exposure:
Full sun, Part sun/part shade
Soil/Growing Medium:
Rocky or gravelly or dry, Well-drained
Water Use:
Summer dry
Landscape Uses:
Accent plant, Cut flower or foliage, Fall interest, Group or mass planting, Perennial border
Additional Info:

Leaf Morphology:
Form:
Simple
Arrangement:
Alternate
Texture/Venation:
Soft flexible, Heavily veined
Surfaces:
Pubescent
Colour in Fall:
Green
Shapes:
Oblong, Ovate
Apices:
Acute
Bases:
Cordate
Margins:
Crenate

Inflorescence Type:
Raceme, Floriferous
Flower Morphology:
Flowers perfect
Number Of Petals:
5
Corolla Shape:
Rotate/stellate
Ovary Position:
Superior
Colour (petals):
Showy, Yellow
Flower Scent:
None
Flower Time at Peak:
Jul, Aug, Sep

Fruit Type:
Capsule
Fruit Colour:
Brown
Fruiting Time:
Oct

Bark or Stem Colour:
Organ Modifications:
Storage tap root
Propagation:
Seed, Division - below ground parts
Maintenance:
Low
Pest Susceptibility:
Caterpillar or cutworm, Fungal leaf spot, Mildew (Deer resistant, Rabbit resistant, Drought tolerant)

Course(s):
  • HORT 2355
Location(s):
  • (GAZ)  GAZebo
  • (GAZW)  GAZebo West
Location Map