Category: Picea engelmannii

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Conifer Forests of Whistler, BC

Subalpine fir in the high elevations of the Coast Mountains near Whistler, BC

Exploring the unique high-rainfall, glacially sculpted forests of the southern Coast Mountains

Whistler, British Columbia is famed for its mountains, but just as magnificent are the ancient forests draped across their flanks—wet, wild, and woven with a diversity of conifers that whisper of deep time. Tucked in the southern Coast Mountains, the forests surrounding Whistler are shaped by a cool maritime climate, abundant precipitation, and a legacy of glaciation that has carved basins, ridges, and deep alluvial valleys. These physical forces, coupled with nutrient-rich colluvial and glacial soils, give rise to complex plant communities where conifers reign.

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Spruce Engraver Beetle in Northern California

In June 2023, my family and I took a trip up Russian Creek in the Russian Wilderness. This area is renowned for its conifer diversity so I was on the lookout for my favorite plants.

It was alarming to discover mortality in one of California’s rarest conifers, the Engelmann spruce due to Spruce Engraver Beetle in Northern California. Here is what I wrote:

It appears California’s Engelmann spruce are also under attack as the Blake’s Fork stand in the Russian Wilderness is witnessing ~60% mortality over the past few years from what I believe to be spruce beetles. More monitoring is needed.

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Engelmann Spruce and Subalpine Fir in California

Engelmann spruce and subalpine fir form one of the most common forest associations in the Rocky Mountains and parts of the Cascades. In California, this is one of our rarest subalpine forest vegetation alliances. These two species occur in only a few places in the state–often not even together unlike in the rest of their range. We recently visited the Russian Wilderness for a trail working trip and I became re-familiarized with these two wonderful tree species.

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