Verbascum Species, Greek Mullein, Olympic Mullein, Wild Verbascum
Verbascumolympicum

Family: Scrophulariaceae (skrof-yoo-larr-ee-AY-see-ee)
Genus: Verbascum (ver-BASK-um)
Species: olympicum (oh-LIM-pih-kum)

Category

Biennials
Perennials

Water Requirements

Average Water Needs; Water regularly; do not overwater

Sun Exposure

Full Sun
Sun to Partial Shade

Foliage

Succulent

Foliage Color

Bronze

Height

6-8 ft. (1.8-2.4 m)

Spacing

18-24 in. (45-60 cm)

Hardiness

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)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)

Where to Grow

Unknown

Danger

Unknown

Bloom Color

Bright Yellow

Bloom Characteristics

This plant is attractive to bees, butterflies and/or birds

Bloom Size

Unknown

Bloom Time

Mid Summer

Other details

Unknown

Soil pH requirements

6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)

Patent Information

Non-patented

Propagation Methods

From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; sow indoors before last frost
From seed; direct sow after last frost
This plant is monocarpic

Seed Collecting

Allow pods to dry on plant; break open to collect seeds
Properly cleaned, seed can be successfully stored