North America Native Plant

Hibberson’s Trillium

Botanical name: Trillium ovatum ovatum var. hibbersonii

USDA symbol: TROVH

Life cycle: perennial

Habit: forb

Native status: Native to Canada  

Hibberson’s Trillium: A Rare Canadian Woodland Gem Meet Hibberson’s trillium (Trillium ovatum ovatum var. hibbersonii), a fascinating and rare woodland perennial that calls the forests of British Columbia home. This native Canadian beauty is one of those special plants that makes you feel like you’ve discovered a hidden treasure when ...

Rare plant alert!

Region: Conservation status by state

Status: S5T2Q: Status is uncertain but is somewhere between the following rankings: Uncertain taxonomy: ⚘ Subspecies or variety is imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000) ⚘ Secure: At very low or no risk of extinction in the jurisdiction due to a very extensive range, abundant populations or occurrences, with little to no concern from declines or threats. ⚘

Hibberson’s Trillium: A Rare Canadian Woodland Gem

Meet Hibberson’s trillium (Trillium ovatum ovatum var. hibbersonii), a fascinating and rare woodland perennial that calls the forests of British Columbia home. This native Canadian beauty is one of those special plants that makes you feel like you’ve discovered a hidden treasure when you encounter it in the wild.

What Makes Hibberson’s Trillium Special?

This perennial forb belongs to the beloved trillium family, known for their distinctive three-petaled flowers and three-leaf arrangement. As a herbaceous plant, Hibberson’s trillium lacks woody tissue above ground and emerges fresh each spring from underground rhizomes, bringing that magical spring has arrived feeling to woodland gardens.

Where Does It Call Home?

Hibberson’s trillium is exclusively native to British Columbia, Canada, making it a true regional specialty. This limited geographic distribution adds to its unique charm and conservation importance.

Important Conservation Note

Here’s something crucial to know: Hibberson’s trillium has a conservation status of S5T2Q, indicating it’s a plant of conservation concern. This rarity status means that while this beautiful native deserves a place in appropriate gardens, it’s essential to source it responsibly. Never collect plants from the wild, and always purchase from reputable nurseries that propagate their stock ethically.

Should You Grow Hibberson’s Trillium?

If you’re a woodland gardening enthusiast in or near British Columbia with the right growing conditions, this native gem could be a wonderful addition to your landscape. However, there are a few important considerations:

  • Rarity factor: Only plant specimens that have been responsibly propagated
  • Specialized needs: Like most trilliums, this variety likely requires specific woodland conditions
  • Patience required: Trilliums are notoriously slow-growing and can take years to establish
  • Limited availability: Finding this specific variety may be challenging due to its rarity

Growing Tips and Considerations

While specific growing information for Hibberson’s trillium is limited due to its rarity, trilliums generally prefer:

  • Shaded to partially shaded woodland conditions
  • Rich, well-draining, humus-rich soil
  • Consistent moisture without waterlogging
  • Cool, stable temperatures
  • Protection from foot traffic and disturbance

Given the British Columbia native range, this variety is likely adapted to the Pacific Northwest’s temperate climate conditions.

The Bottom Line

Hibberson’s trillium represents the kind of special native plant that makes regional flora so fascinating. While its rarity means it’s not a casual garden choice, it could be perfect for dedicated native plant enthusiasts who can provide appropriate conditions and source plants responsibly. If you can’t find this specific variety, consider other native trillium species or woodland wildflowers that might be more readily available and equally beneficial to your local ecosystem.

Remember, the best native garden is one that supports both plant conservation and ecological health – sometimes that means appreciating rare beauties like Hibberson’s trillium from afar while cultivating their more common cousins at home.

Hibberson’s Trillium

Classification

Group

Monocot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Liliopsida - Monocotyledons

Subclass

Liliidae

Order

Liliales

Family

Liliaceae Juss. - Lily family

Genus

Trillium L. - trillium

Species

Trillium ovatum Pursh - Pacific trillium

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA