About
Betonica macrantha 'Robusta' is a robust herbaceous perennial that grows upright, reaching heights of up to 60 cm. Its leaves are dark green, ovate in shape, and feature prominent veins along with scalloped margins. The plant produces densely packed spikes of hooded flowers, each measuring approximately 3 cm in length, in a purplish-pink hue.
About the genus
Betonica comprises a group of perennial wildflowers native to the region, characterized by their slender, oval leaves that grow on erect stems. The plants produce vibrant flowers that range from purple to red, blooming from summer through early autumn.
Growing conditions
- Sunlight
- Full sun, Partial shade
- Soil type
- Chalk, Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Well-drained
- Aspect
- South-facing, West-facing, East-facing
- Exposure
- Exposed
- UK hardiness
- H7
Plant details
- Plant type
- Herbaceous Perennial
- Habit
- Clump forming
- Foliage
- Deciduous
- Height
- 0.5-1 metres
- Spread
- 0.1-0.5 metres
- Time to full height
- 2-5 years
- Suggested uses
- Cottage and informal garden, Gravel garden
Care notes
- Cultivation
- Grow in moderately fertile, well-drained soil; full sun ideal but tolerates partial shade
- Pruning
- No pruning required
- Propagation
- Propagate by division or remove rooted sections in spring
- Pest resistance
- May be susceptible to slugs
- Disease resistance
- Generally disease-free