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Herbaceous Perennial

Marrubium libanoticum

Bushy, deciduous perennial to around 40-50cm tall with oblong to heart-shaped, woolly, grey-green leaves. Small, tubular white flowers in upright whorls are produced during mid to late summer

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Ultimate height

0.1–0.5 metres

Time to ultimate height

2–5 years

Ultimate spread

0.1–0.5 metres

Chalk

Sand

Loam

Moisture

Well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun

Aspect

South–facing or West–facing

Exposure

Sheltered

Drought resistance

Yes

Hardiness
Hardiness ratings
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
H1a: under glass all year (>15C)
H1b: can be grown outside in the summer (10 - 15)
H1c: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20)

Botanical details

Family: Lamiaceae
Native to the UK: No
Foliage: Deciduous
Habit: Spreading branched
Genus: A genus of herbaceous flowering plants, closely related to mint, with aromatic, oval-shaped, grey-green, hairy wrinkled foliage and white flowers which appear on the upper part of the stem
Name status: Correct

How to grow

Cultivation

Grow in sharply-drained soil in full sun with shelter from cold drying winds, and protect from excessive winter wet with a dry mulch

Propagation

Propagate by seed or by softwood cuttings in spring

Suggested planting locations and garden types

City and courtyard gardens
Coastal
Cottage and informal garden
Gravel garden
Mediterranean climate plants
Rock garden
Flower borders and beds

Pruning

Cut down dead stems in late winter

Pests

Generally pest-free

Diseases

Generally disease-free

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