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longbeard hawkweed

Hieracium longiberbe

iNaturalist Wikipedia

Meet the cliff-dwelling rarity of the Pacific Northwest. With its shaggy, 'bearded' leaves and bright yellow blooms, the longbeard hawkweed is a botanical treasure found only in one place on Earth.

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0 Habitats

Quick Identification

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Size

Stems reach 15-40 cm (6-16 inches) in height; flower heads are approximately 1-2 cm (0.4-0.8 inches) wide.

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Colors

Bright yellow flower heads; pale green to sage-green leaves covered in distinctive long, shaggy white hairs.

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Key Features

Long, shaggy white hairs (up to 1cm) on leaves and stems
Yellow dandelion-like flower heads in loose clusters
Basal leaves are narrow and lance-shaped
Found exclusively on basalt rock faces and rocky slopes

When You’ll See Them

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Activity pattern Active during the day

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Peak hours 9 AM - 3 PM

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Season June-August

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Diet As a primary producer, it creates its own energy through photosynthesis, utilizing sunlight, carbon dioxide, and minerals found in the thin soils of rocky outcrops.

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Habitat Basalt cliffs, rocky ledges, and steep talus slopes within temperate river corridors.

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Where Does the longbeard hawkweed Live?

Native to the North American continent, longbeard hawkweed is one of the rarest plants in the Pacific Northwest. It is found exclusively within the Columbia River Gorge, a narrow geographic corridor that forms the border between the states of Oregon and Washington in the United States. Its entire global population is confined to the rocky, moisture-misted basalt walls that line this iconic river canyon.

Basemap © OpenStreetMap contributors

1 Countries

1.5K km² Range

Endangered Conservation

US United States

Marginal

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iNaturalist / Verified observation data

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Behavior

Longbeard hawkweed is a perennial wildflower that has adapted to the rugged, vertical environment of basalt cliffs. Unlike many other hawkweeds that spread aggressively, this species is a site-specific specialist, slowly growing in the cracks and crevices of ancient rock. It spends much of the year as a low-lying rosette of shaggy green leaves, which help trap moisture and protect the plant from the drying winds of the Columbia River Gorge.

During its blooming period in early to mid-summer, the plant sends up a slender, hairy stalk topped with several yellow flower heads. These flowers follow a diurnal rhythm, opening fully in the morning to attract specialist pollinators like native bees and hoverflies, and often closing or drooping slightly during the peak heat of the afternoon or in heavy rain. Because it is a rare endemic, it plays a small but vital role in its specific rock-face ecosystem, providing a food source for insects in areas where few other plants can survive.

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Camera Tips

Capturing the longbeard hawkweed on a backyard or trail camera requires a shift from motion-triggering to time-lapse settings. Since this plant is a 'cliff-hanger,' you likely won't find it in a standard suburban lawn; however, if you live near the rocky outcrops of the Columbia River Gorge, you can position your camera to document its rare blooming cycle. Set your camera to take a photo every 30 to 60 minutes during the daylight hours from June through August to capture the dramatic unfurling of its yellow florets.

To highlight the plant’s namesake 'long beard,' placement is everything. Position your camera at a side-profile angle relative to the leaves. This allows the backlight of the morning sun to catch the long, white hairs, making them glow against the darker basalt rock behind them. If your camera has a macro or close-focus setting, use it—the fine details of the shaggy hairs are the key identifying feature and make for a much more compelling image than a wide-angle shot.

Because longbeard hawkweed attracts a variety of pollinators, you can also use your camera to document 'wildlife interactions.' Set your AI camera to its highest sensitivity or use a short-interval time-lapse to catch native bees and butterflies visiting the yellow flowers. Since these plants often grow on steep slopes, ensure your camera mount is extremely secure; the high winds of the Gorge can easily vibrate a loose camera, resulting in blurry images of these delicate flowers.

Similar Species

Species that look similar or are commonly confused with longbeard hawkweed.

Scouler's Hawkweed

Has shorter hairs on the leaves and is much more widely distributed across Western North America.

Meadow Hawkweed

An invasive species with multiple flower heads per stem and smoother, less shaggy leaves that spreads via stolons.

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Frequently Asked Questions

The flowers are most active and fully open during the morning and early afternoon, typically between 9 AM and 2 PM, when sunlight is strongest and pollinators are most active.

Because this is a rare, site-specific endemic, it is very difficult to grow in a typical garden. It requires specific basalt rock conditions. It is best to appreciate it in its natural habitat rather than trying to transplant it, which is often illegal for rare species.

Like all plants, longbeard hawkweed doesn't 'eat' in the traditional sense; it produces its own food through photosynthesis using sunlight and absorbs water and minerals through its roots in rock crevices.

No, they are extremely rare and are not found in suburban environments. They are restricted to the wild basalt cliffs and rocky slopes of the Columbia River Gorge.

Look for the 'beard'—it has much longer (up to 1cm) and shaggier white hairs on its leaves and stems compared to common garden hawkweeds or Scouler's hawkweed.

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