Overview
Veronicastrum stenostachyum is a clump forming herbaceous perennial in the genus Veronicastrum, part of the Plantaginaceae family, with deciduous foliage. Veronicastrum stenostachyum grows best in full sun and partial shade, and tolerates clay and loam soils and any pH. Its UK hardiness is rated H7. Suggested uses include flower borders and beds, cottage and informal garden, coastal, prairie planting and wildlife gardens.
About
Veronicastrum stenostachyum is a clump-forming cultivar of the Veronicastrum genus, which comprises upright herbaceous perennials with elongated stems and whorled narrow foliage. This deciduous plant thrives in full sun or partial shade and is suited to exposed sites with fertile, moist but well-drained clay or loam soils of varying pH. It produces elongated terminal racemes of small blossoms in spring and summer, making it an attractive choice for flower borders, cottage gardens, prairie plantings, and wildlife gardens. Hardy to UK zone H7, it can be propagated by division in spring or by seed sown in containers in autumn.
Growing conditions
Best soil and position for Veronicastrum
- Sunlight
- Full sun, Partial shade
- Soil type
- Clay, Loam
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Moist but well-drained
- Aspect
- East-facing, South-facing, West-facing
- Exposure
- Exposed
- UK hardiness
- H7
Plant details
Veronicastrum stenostachyum size, habit and characteristics
- Plant type
- Herbaceous Perennial
- Habit
- Clump forming
- Foliage
- Deciduous
- Suggested uses
- Flower borders and beds, Cottage and informal garden, Coastal, Prairie planting, Wildlife gardens
Care notes
Pruning and caring for Veronicastrum stenostachyum
- Propagation
- Division in spring, Seed sown in containers in a cold frame in autumn
- Pest resistance
- May be susceptible to aphids
- Disease resistance
- May be susceptible to downy mildews, powdery mildews, leaf spot
Frequently asked questions
Where is the best place to plant Veronicastrum stenostachyum?
Veronicastrum stenostachyum prefers full sun and partial shade. It suits exposed positions.
What soil does Veronicastrum stenostachyum need?
Veronicastrum stenostachyum grows best in clay and loam soil. It is happy in soil of any pH. Aim for soil that stays moist but well-drained.
Is Veronicastrum stenostachyum hardy in the UK?
Veronicastrum stenostachyum has an RHS hardiness rating of H7, meaning it is fully hardy throughout the UK, tolerating temperatures below -20°C.
How do I propagate Veronicastrum stenostachyum?
Division in spring, Seed sown in containers in a cold frame in autumn.
More in the Veronicastrum genus
- Veronicastrum 'Fascination'
- Veronicastrum virg. 'Adoration'
- Veronicastrum virg. 'Album'
- Veronicastrum virg. 'Diane'Culver's Root
- Veronicastrum virg. 'Fascination'Culver's Root
- Veronicastrum virg. 'Lavendelturm'
- Veronicastrum virginicum 'Klein Erica'
- Veronicastrum villosulum