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Bog Labrador Tea

Rhododendron groenlandicum

iNaturalist Wikipedia

A fragrant staple of the northern wilderness, Bog Labrador Tea is celebrated for its snowy white summer blooms and its unique, rusty-orange woolly leaves. This hardy evergreen shrub is a testament to nature's ability to thrive in the harshest, most acidic wetlands on the planet.

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Quick Identification

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Size

Height ranges from 0.2 to 1.5 meters (0.6 to 5 feet) with a spreading width up to 1 meter (3.3 feet)

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Colors

Leathery dark green upper leaves; distinctive rusty-orange or woolly white undersides; snowy white flower clusters

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Key Features

Leathery evergreen leaves with edges rolled tightly inward
Underside of leaves covered in thick, rusty-orange or white fuzz
Fragrant hemispherical clusters of small white five-petaled flowers
Low, dense growth habit typically found in spongy peat moss

When You’ll See Them

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Activity pattern Active during the day

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Peak hours 9 AM - 5 PM

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Season June-July

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Diet As a photosynthetic autotroph, it creates energy from sunlight. It uses a specialized symbiotic relationship with mycorrhizal fungi to absorb nitrogen and phosphorus from acidic, nutrient-deficient peat.

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Habitat Acidic peat bogs, muskegs, wet coniferous forests, and damp tundra margins.

public Geographic range

Where Does the Bog Labrador Tea Live?

This resilient shrub is a quintessential species of the northern hemisphere's wild places, primarily native to the vast boreal regions of North America. Its range spans the continent from the rugged coasts of Alaska and the Pacific Northwest, across the entirety of Canada to Newfoundland, and reaches southward into the Great Lakes region and the northeastern United States. Beyond the mainland, it is also a characteristic feature of the coastal barrens and damp valleys of Greenland, thriving where few other woody plants can survive.

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3 Countries

12.5M km² Range

Least Concern Conservation

CA Canada US United States Greenland

Elevation range

0 m1,000 m2,000 m4,000 m

Sea level – 2,000 m

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iNaturalist / Verified observation data

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Behavior

Bog Labrador Tea is a master of survival in the nutrient-poor, acidic environments of the far north. As an evergreen shrub, it keeps its leaves throughout the winter, a strategy that allows it to begin photosynthesis immediately when the short growing season arrives. The plant is famous for the thick, woolly 'hairs' on the underside of its leaves; these are not just for show, but serve to trap moisture and protect the plant from the drying effects of cold arctic winds and intense sun.

During the flowering season in late spring and early summer, the shrub becomes a focal point for local biodiversity. Its fragrant white blossoms produce copious amounts of nectar, attracting a wide variety of pollinators including bumblebees, butterflies, and hoverflies. While the plant is slow-growing, it is incredibly long-lived, often forming dense, aromatic thickets that provide essential ground cover for small mammals and nesting birds in open bog landscapes.

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Camera Tips

To capture the best images of Bog Labrador Tea, position your camera at a low angle, roughly 12 to 18 inches from the ground. This 'shrub-level' perspective allows you to see both the glossy green tops of the leaves and the fascinating rusty-orange undersides that are its most famous feature. Because this species grows in soft, saturated ground, use a wide-base tripod or a ground spike to prevent your camera from sinking into the peat moss over time.

For users of AI-powered backyard cameras, the flowering period in June and July is the 'golden window.' The bright white flower clusters provide excellent contrast against the dark green foliage, making it easier for AI models to detect and trigger when pollinators like the Western Tiger Swallowtail or various bumblebee species land on the blooms. If your camera has a macro setting or a close-focal lens, use it here to capture the intricate detail of the stamens protruding from the flowers.

Don't overlook the winter season for this species. Since Bog Labrador Tea is evergreen, it provides a rare pop of color in a snowy landscape. A time-lapse setting, taking one photo every hour during a snowstorm, can produce a stunning video of the snow accumulating on the leathery leaves. Additionally, because these thickets offer warmth and protection, aim your camera at the base of the shrub during the winter months to catch glimpses of snowshoe hares or voles that frequently use the plant as a natural shelter.

Similar Species

Species that look similar or are commonly confused with Bog Labrador Tea.

Marsh Labrador Tea

Found mostly in Eurasia; it has much narrower, more needle-like leaves compared to the broader leaves of R. groenlandicum.

Sheep Laurel

Lacks the rusty-orange fuzz on the leaf undersides and produces vibrant pink/magenta flowers instead of white ones.

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Frequently Asked Questions

The most reliable way is to look at the underside of the leaves. Bog Labrador Tea has a thick, woolly fuzz that is white on young leaves and turns a deep, rusty orange as they age. Additionally, the edges of the leaves roll significantly inward (revolute margins).

In most of its range, it blooms from late May through July. The flowers appear in dense, rounded clusters at the ends of the branches and are creamy white with long, protruding stamens.

Historically, many indigenous cultures have used the leaves to make a medicinal herbal tea. However, it contains a compound called ledol which can be toxic in high concentrations or if boiled too vigorously. It should only be prepared by those with expert knowledge.

It requires very specific conditions: highly acidic, nutrient-poor soil that is consistently moist or wet. It is most commonly found growing in Sphagnum peat moss in bogs and muskegs.

Yes! Its fragrant flowers are a major nectar source for bees and butterflies. The dense, low-growing thickets also provide excellent hiding spots and thermal cover for small mammals like lemmings and snowshoe hares.

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