Verbascum Species, Silver Mullein, Turkish Mullein, Wild Verbascum

Verbascumbombyciferum

Family
Scrophulariaceae (skrof-yoo-larr-ee-AY-see-ee)
Genus
Verbascum (ver-BASK-um)
Species
bombyciferum (bom-by-SIF-er-um)
Synonym
Verbascum broussa
Sun Exposure
Full Sun
Foliage
Evergreen
Succulent
Height
6-8 ft. (1.8-2.4 m)
Spacing
18-24 in. (45-60 cm)
Hardiness
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
Bloom Color
Bright Yellow
Bloom Time
Mid Summer
Late Summer/Early Fall
Other Details
Category
Biennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Bronze
Where to Grow
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
Soil pH requirements
Patent Information
Non-patented
Propagation Methods
Seed Collecting
Regional

This plant is said to grow outdoors in the following regions:

Knik-Fairview, Alaska

Lakes, Alaska

Meadow Lakes, Alaska

Tanaina, Alaska

Wasilla, Alaska

Belvedere Tiburon, California

Ontario, California

Pittsburg, California

Santa Ana, California

Sonoma, California

Denver, Colorado

Tipton, Indiana

Skowhegan, Maine

Flat Rock, North Carolina

Snow Hill, North Carolina

Arlington, Virginia

Seattle, Washington

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Gardener's Notes:

3
positives
1
neutral
0
negative
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C
ROSLINDALE, MA | November 2014 | positive

The big rosette of silvery-felted leaves is arguably this plant's most valuable garden asset, and it can live for several years if every ...Read More

J
Palmer, AK (Zone 3b) | September 2009 | positive

This is one of my favorite mulleins. Sadly biennial, and some years I get better germination than others, so it is always a mystery how m...Read More

H
Northern California, CA | August 2003 | positive

Often sold as 'Polar Summer' or 'Arctic Summer', another common name is Giant Silver Mullein

P
Westbrook, ME (Zone 5a) | May 2001 | neutral

One of the largest verbascums and makes quite a statement in the garden. It's biennial and will form a large rosette of wooly silver leav...Read More

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