About

Veratrum stenophyllum is an herbaceous perennial in the Melanthiaceae that bears erect stems topped by panicles of white or brown flowers. It flowers in June to July. The species favours deep, wet soils and is typically found in damp, montane and waterside situations. Its underground black rhizomes contain potent poisons, so handle with care.

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

Veratrum stenophyllum belongs to the genus Veratrum and the family Melanthiaceae and is part of a group of perennials adapted to wet, cool sites in the temperate Northern Hemisphere. Plants produce upright stems bearing branched panicles of white or brown flowers, with bloom in the UK from June to July. Larvae of some moth species feed on Veratrum foliage, linking the plant into damp-site ecosystems. For cultivation give full sun and a consistently moist, deep soil; the species naturally occurs in wet mountain meadows, swamps and beside streambanks. Avoid light, free-draining soils or prolonged drought. No artificial heat is required — it suits cool, temperate situations where soils remain heavy and moist during the growing season. When transplanting or dividing, take precautions: the black rhizomes contain toxic alkaloids and should not be handled with bare hands or allowed near food preparation areas. In a UK garden plant Veratrum stenophyllum at pond margins, in a bog garden or in a perennial bed where water collects; it fills a niche where many perennials fail. Positioning near a stream or in a damp meadow-style planting exploits its natural habit, and gardeners should place it well away from children and pets because of its toxicity. When lifting or dividing, take care with the rhizomes due to their poisonous content.

From the Fenn Plants journal

• Notes on DaffodilsWhen to plant daffodil bulbs in the UK, how deep, how to naturalise them in grass, why daffodils stop flowering (“blindness”), and why you should never mix cut daffodils with other flowers.
• Keeping Your NerveHow to garden through a heatwave — the best time to water, why deep soaks beat daily sprinkles, caring for pots and vulnerable plants, and why you can let the lawn go brown.
• Made to LastHow to clean, store and protect garden pots and planters — the frost-proof vs frost-resistant difference, winter care for terracotta and ceramic, and how to reuse a broken pot.

More in the Veratrum genus

• 
  Veratrum albumwhite false hellebore
• 
  Veratrum californicumCalifornia false hellebore
• 
  Veratrum viridegreen false helleborine
• Veratrum grandiflorumLarge-flowered False Hellebore
• Veratrum wilsoniiFalse Hellebore
• Veratrum yunnanenseFalse Hellebore