Vancouver Groundcone: The Mysterious Parasitic Plant of the Pacific Northwest
Have you ever been hiking through the coastal forests of the Pacific Northwest and stumbled upon what looks like a weird, cone-shaped mushroom sprouting from the forest floor? Chances are, you’ve discovered the fascinating Vancouver groundcone (Boschniakia hookeri), one of nature’s most unusual native plants.



What Exactly Is Vancouver Groundcone?
Despite its mushroom-like appearance, Vancouver groundcone is actually a flowering plant – just not the kind you’d recognize! This perennial belongs to the broomrape family and has taken an unusual evolutionary path by becoming a parasitic plant. Instead of producing its own food through photosynthesis like most plants, it has given up that independent lifestyle and now depends entirely on other plants for survival.
The plant produces thick, fleshy, cone-like flower spikes that emerge directly from the ground, typically reaching 4 to 8 inches in height. These striking spikes range in color from reddish-brown to yellowish-brown, and they’re covered with small, scale-like flowers that bloom from spring through early summer.
Where You’ll Find This Pacific Northwest Native
Vancouver groundcone is a true Pacific Northwest native, calling the coastal regions from British Columbia down to northern California home. You’ll specifically find it in Washington, Oregon, California, and British Columbia, where it thrives in the cool, moist conditions of coastal forests.
The Secret Life of a Plant Parasite
Here’s where things get really interesting: Vancouver groundcone is an obligate parasite, which means it absolutely must have a host plant to survive. Its preferred host? Salal (Gaultheria shallon), that ubiquitous understory shrub that dominates much of the Pacific Northwest forest floor. The groundcone’s roots attach directly to the salal’s root system, essentially tapping into its host’s nutrient supply.
This parasitic relationship means you’ll typically find Vancouver groundcone growing in areas with abundant salal, particularly in:
- Coastal coniferous forests
- Douglas fir and hemlock woodlands
- Areas with acidic, well-draining forest soils
- Locations with partial to full shade
Can You Grow Vancouver Groundcone in Your Garden?
Here’s the short answer: no, you can’t grow Vancouver groundcone in a traditional garden setting. Because it’s entirely dependent on its parasitic relationship with salal and other host plants, it simply cannot survive without this specific ecosystem connection. Even if you have salal in your garden, the complex underground relationships and specific soil conditions required make cultivation essentially impossible.
This plant thrives in USDA hardiness zones 7-9, but only within its natural habitat parameters of coastal Pacific Northwest forests.
Ecological Role and Wildlife Benefits
While you can’t invite Vancouver groundcone into your garden, it plays an important role in its native ecosystem. The flowers provide nectar for various insects during their blooming period, and the plant is part of the complex web of relationships that make Pacific Northwest forests so biodiverse.
Some birds and small mammals may also interact with the plant, though its primary ecological role is as part of the understory community in coastal forests.
Appreciating This Unique Native
Instead of trying to grow Vancouver groundcone, the best way to appreciate this fascinating native is to observe it in its natural habitat. If you’re hiking in coastal forests of the Pacific Northwest, keep an eye out for those distinctive cone-like spikes emerging from the forest floor, especially in areas thick with salal.
For gardeners interested in supporting native Pacific Northwest ecosystems, consider planting the host plant, salal, in appropriate shaded areas of your landscape. While this won’t guarantee a visit from Vancouver groundcone, it will support the broader native plant community and provide habitat for wildlife.
Vancouver groundcone serves as a reminder that native plant communities are complex, interconnected systems where some species have evolved highly specialized relationships. While we can’t bring every native plant into our gardens, we can appreciate and protect the wild spaces where these remarkable evolutionary adaptations continue to thrive.