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Bog laurel

How to identify Bog laurel (Kalmia polifolia)

Bog laurel, also known as Western bog laurel, Box laurel, Swamp laurel

Bog laurel is a low-growing evergreen that forms dense mats. Characteristically, it features striking pink, bell-shaped flowers that lend a decorative quality. The plant displays a high tolerance to both shaded environments and flooding conditions, allowing it to thrive in varied habitats. Vegetative reproduction can be achieved through stem cuttings in the summer months, and propagation is also possible via seeds. The evergreen leaves and distinct floral displays of bog laurel make it a distinguishable member of the heath family.

Lifespan

Lifespan: Perennial

Plant Type

Plant Type: Herb

Leaf Type

Leaf Type: Evergreen

Quickly Identify Bog laurel

1

Distinct pink bell-shaped flowers

2

Dense mat-forming low growth

3

Woody capsules less than 1 inch

4

Tolerance to shaded and flooded environments

5

Vegetative reproduction via stem cuttings

Bog laurelBog laurelBog laurelBog laurelBog laurel

Detailed Traits of Bog laurel

Flower Features

The flowers of bog laurel are notable for their showy pink bell-shaped blooms, which form in clusters of 2-5 flowers. Each individual flower is about 0.5-1 inch (1.3-2.5 cm) in diameter. The petals are fused at the base, creating a bell shape that flares slightly at the open end. Blooming from May to June, these flowers lend a delicate and attractive appearance. They emit a mild, pleasant fragrance, adding to their charm during the spring bloom period.

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Fruit Features

The fruit of bog laurel is a woody capsule, typically less than an inch long, divided into chambers. When mature, it splits open to release the seeds. The capsule's exterior is usually greenish to brownish, taking on a drier, wood-like texture as it matures. Its size and dehiscent nature—splitting open at maturity—are notable features for identification. Although inconspicuous, these fruits are critical for the plant's reproductive cycle and can be found clinging to the branches after the flowering season concludes.

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Key Facts About Bog laurel

Attributes of Bog laurel
Plant Type
Herb
Plant Height
15 cm to 76 cm
Spread
12 m
Leaf Color
Green
Flower Size
1.3 cm to 2 cm
Flower Color
Pink
Purple
Stem Color
Green
The Toxicity of Bog laurel
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Scientific Classification of Bog laurel

Family
Heath
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Species
Bog laurel (Kalmia polifolia)
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Distribution Map of Bog laurel

Bog laurel is native to the northern parts of the North American continent, thriving in its cool, boggy habitats. While it remains predominantly within its indigenous range, bog laurel has also been introduced and cultivated in regions corresponding to northern Europe. The plant's adaptability allows for its survival and growth in these introduced areas, though it retains a strong presence in its original locales.
Native
Cultivated
Invasive
Potentially invasive
Exotic
No species reported
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