Bryan McAllister’s personal reference notebook
September 11, 2026Short & citedBlog
Civic Viewpoint.
A quiet encyclopedia with a personal desk
Field Notes • Flowers

Lilies

Lilies are flowering plants in the genus *Lilium*, within the family Liliaceae.

Updated September 11, 20261 min readCited sources

True lilies are flowering plants in the genus *Lilium*. They are known for large, showy flowers and are widely cultivated as ornamentals.

Description

True lilies are herbaceous perennial plants with large, showy flowers and underground storage organs such as bulbs. Their flowers are typically six-parted, a characteristic commonly associated with the lily family.

Distribution and habitat

Most species of *Lilium* are native to temperate regions of the Northern Hemisphere, with many occurring in Europe, Asia, and North America. They are found in a range of temperate and some subtropical habitats.

Cultivation and uses

Lilies are widely cultivated as ornamentals and cut flowers because of their prominent blooms and variety of forms. The group has been extensively hybridized, producing many garden varieties. In Canada, they are grown in temperate gardens across the country.

In short

  • True lilies belong to the genus *Lilium*.
  • They are herbaceous perennial flowering plants.
  • Most species are native to temperate areas of the Northern Hemisphere.
  • True lilies are highly toxic to cats.
Canadian angle

Lilies are widely grown in Canadian gardens and as cut flowers, especially in temperate climates across the country.

Quick questions

What are true lilies?
True lilies are plants in the genus *Lilium*, a group of herbaceous flowering plants in the family Liliaceae.
Where do lilies grow naturally?
Most true lilies are native to temperate regions of the Northern Hemisphere.
Are true lilies toxic to cats?
Yes. True lilies are highly toxic to cats.

Sources

  1. Encyclopaedia Britannicahttps://www.britannica.com/plant/lily
    Supports: Genus *Lilium*, family Liliaceae, approximate species count, native range, ornamental use
  2. Wikipediahttps://en.wikipedia.org/wiki/Lilium
    Supports: Herbaceous flowering plants, bulbs, native range, distinction between true lilies and plants with lily in the common name, cat toxicity
  3. Encyclopaedia Britannicahttps://www.britannica.com/plant/Liliaceae
    Supports: Family characteristics of Liliaceae, six-parted flowers, underground storage structures, ornamental importance