Marrubium Species, Scallop Shell
Marrubiumsupinum

Family: Lamiaceae (lay-mee-AY-see-ee)
Genus: Marrubium (ma-ROO-bee-um)
Species: supinum (sup-EE-num)

Synonym:Marrubium guilliermondii

Synonym:Marrubium sericeum

Synonym:Marrubium supinum var. barrelieri

Synonym:Marrubium supinum var. boissieri

Synonym:Marrubium supinum var. bombycinum

Category
Perennials

Water Requirements

Sun Exposure
Full Sun
Sun to Partial Shade
Light Shade

Foliage
Grown for foliage

Foliage Color

Height
18-24 in. (45-60 cm)

Spacing
24-36 in. (60-90 cm)

Hardiness
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)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)

Where to Grow

Danger

Bloom Color
Pink
Rose/Mauve

Bloom Characteristics

Bloom Size

Bloom Time
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall

Other details

Soil pH requirements

Patent Information
Non-patented

Propagation Methods
By dividing the rootball

Seed Collecting