Bryan McAllister’s personal reference notebook
July 30, 2026Short & citedBlog
Civic Viewpoint.
A quiet encyclopedia with a personal desk
Kept by Bryan McAllister — short guides, clear facts, and the Canadian angle when it matters.
Field Notes • Plant

Lily of the Valley

Lily of the valley (*Convallaria majalis*) is a fragrant woodland perennial known for its small, white, bell-shaped flowers that bloom in spring.

Updated July 30, 20261 min readCited sources

Lily of the valley is a fragrant woodland perennial with small, white, bell-shaped flowers that bloom in spring. Despite its common name, it is not a true lily but a member of the asparagus family.

What it is

Lily of the valley (*Convallaria majalis*) is a low-growing perennial that spreads by underground stems and can form colonies. It is native to Europe and temperate Asia, naturalized widely, and prized for its sweet scent and spring bloom.

Key details

All parts of the plant are highly toxic if ingested, containing cardiac glycosides that can affect heart rhythm. It is grown as an ornamental groundcover in cool, shaded locations with moist, well-drained soil.

Why it matters

In Canada, lily of the valley is a common garden plant in shaded, moist spots, but its toxicity to people and pets is a serious concern. It also carries cultural symbolism of purity, luck, and the return of spring.

In short

  • Not a true lily; belongs to the asparagus family.
  • All parts are poisonous to humans and animals.
  • Grows well in shade and spreads aggressively.
  • Symbolizes purity, happiness, and spring.
Canadian angle

Lily of the valley is grown as an ornamental perennial in Canadian gardens, especially in shaded, moist locations. Canadian readers should note that the plant is toxic to people and pets.

Quick questions

Is lily of the valley poisonous?
Yes. All parts are toxic if eaten and can cause serious heart and gastrointestinal symptoms.
How do you grow lily of the valley?
Plant in partial to full shade in moist, well-drained soil. It spreads by rhizomes and naturalizes easily.
What does lily of the valley mean?
It commonly symbolizes purity, humility, happiness, luck, and the return of spring.

Sources

  1. WebMD — https://www.webmd.com/first-aid/lily-of-the-valley-poisoning
    Supports: Toxicity, plant description, spring bloom, not a true lily, symptoms of poisoning
  2. MedlinePlus — https://www.medlineplus.gov/ency/article/002882.htm
    Supports: Poisonous parts of the plant and poisoning overview
  3. ASPCA — https://www.aspca.org/pet-care/aspca-poison-control/toxic-and-non-toxic-plants/lily-valley
    Supports: Toxicity to dogs, cats, and horses; toxic principles and clinical signs
  4. Gardener's Path — https://www.gardenerspath.com/plants/flowers/lily-valley-toxic/
    Supports: Native range, toxic compounds, and plant family
  5. House Beautiful — https://www.housebeautiful.com/uk/garden/plants/a41245028/lily-of-the-valley/
    Supports: Botanical name, family, meanings, and toxicity
  6. mo blumen — https://www.moblumen.com/en/blogs/flower-knowledge/lily-of-the-valley-care
    Supports: Symbolic meanings and ornamental description
  7. Mental Floss — https://www.mentalfloss.com/science/plants/how-poisonous-lily-valley
    Supports: Plant description, fragrance, symbolic associations, and toxic properties