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Herbaceous Perennial
Marrubium vulgare
white horehound
A slowly spreading perennial to around 50cm high, with upright, square, woolly white stems bearing rounded, grey-green leaves with scalloped edges and woolly undersides. Small white flowers are borne in dense whorls around the stems in summer
Size
Ultimate height
0.1–0.5 metresTime to ultimate height
2–5 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Chalk
Loam
Sand
Moisture
Well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green Grey Silver | |||
|---|---|---|---|---|
| Summer | White | Green Grey Silver | ||
| Autumn | Green Grey Silver | |||
| Winter |
Position
- Full sun
Aspect
South–facing or West–facing
Exposure
Sheltered Hardiness
H6Botanical details
- Family
- Lamiaceae
- Native to the UK
- No
- Foliage
- Deciduous
- Habit
- Clump forming
- Name status
Correct
- Plant range
- Temp. N Hemisphere
How to grow
Cultivation
Thrives in poor, well-drained soil in full sun, protect from excess winter wet
Propagation
Propagate by seed or by softwood cuttings in spring
Suggested planting locations and garden types
- Cottage and informal garden
- Gravel garden
- Mediterranean climate plants
- Wildflower meadow
- Banks and slopes
- Flower borders and beds
- Wall side borders
Pruning
Cut back spent flower stems if seed is not required
Pests
Generally pest-free
Diseases
Generally disease-free
Get involved
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