Overview
Veratrum grandiflorum is a perennial in the genus Veratrum, part of the Melanthiaceae family. Veratrum grandiflorum grows best in full sun and partial shade, and tolerates most soils and acidic and neutral pH. Its UK hardiness is rated H5. It is native to East Asia and China.
About
Veratrum grandiflorum is a perennial known as Large-flowered False Hellebore that produces large flower clusters in early summer. Native to East Asia, including China, it flowers in the UK from June to July. It prefers full sun to partial shade in moist, rich, well-drained soils with an acidic to neutral pH. All parts of the plant are highly toxic, so handle with caution.
About the genus
Veratrum is a genus of flowering plants in the family Melanthiaceae. It occurs in damp habitats across much of temperate and subarctic Europe, Asia, and North America.
Wikipedia contributors, "Veratrum", CC BY-SA 4.0 — Veratrum
In the garden
A member of the Melanthiaceae, Veratrum grandiflorum comes from East Asia, notably China, and is valued for its tall summer flowering. In the UK it reliably flowers from June to July and suits sites that mimic damp natural habitats. Plant in full sun to partial shade where the soil stays consistently moist; an organically rich, well-drained loam with an acidic to neutral pH suits it best. Hardiness is H5 (hardy), so plants will withstand typical UK winter conditions when established; avoid positions that dry out in summer. In garden use place it towards the back of moist herbaceous borders, at pond margins or in rain-garden features where soil remains damp. Because Veratrum grandiflorum is highly toxic, plant it away from children and pets and use gloves when dividing or handling roots; clearly label specimens and dispose of trimmings responsibly.
Growing conditions
Best soil and position for Veratrum
- Sunlight
- full sun, partial shade
- Soil type
- moist, rich, well-drained
- Soil pH
- acidic, neutral
- Soil moisture
- moist
- UK hardiness
- H5
Plant details
Veratrum grandiflorum size, habit and characteristics
- Plant type
- perennial
- Native to
- East Asia, China
- Toxicity
- highly toxic
Care notes
Pruning and caring for Veratrum grandiflorum
- Propagation
- seed
Frequently asked questions
Where is the best place to plant Veratrum grandiflorum?
Veratrum grandiflorum prefers full sun and partial shade.
What soil does Veratrum grandiflorum need?
Veratrum grandiflorum is adaptable and grows happily in most soil types, including moist, rich and well-drained. It prefers acidic and neutral soil. Aim for soil that stays moist.
Is Veratrum grandiflorum hardy in the UK?
Veratrum grandiflorum has an RHS hardiness rating of H5, meaning it is hardy in most of the UK, tolerating -15 to -10°C.
How do I propagate Veratrum grandiflorum?
Seed.
Is Veratrum grandiflorum toxic?
Highly toxic.
More in the Veratrum genus
- Veratrum stenophyllumFalse Hellebore
- Veratrum wilsoniiFalse Hellebore
- Veratrum yunnanenseFalse Hellebore