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Tall bluebells

Mertensia paniculata

Also called Panicled Bluebells, Panicled Lungwort, Tall Lungwort, Lake Superior Bluebells, Northern Bluebell, Tall Bluebell

Tall bluebells
Photo: Walter Siegmund (talk), CC BY-SA 3.0

Tall bluebells is a perennial herb or subshrub from cool northern forests and mountains, with drooping, bright-blue bell-shaped flowers. It grows best in cool, moist, shaded conditions and suits woodland or cold-climate gardens.

Family
Boraginaceae (Borage family)
Grows as
Shrub
Light
Shade
Water
Keep soil consistently moist, especially in summer, but do not let it sit waterlogged.
Soil
Moist, humus-rich, well-drained woodland soil.
Temperature
Hardy in cold climates; suited to cool summers and winter cold, protect from prolonged heat.
How easy
Moderate
Native range
Subarctic America to N. U.S.A.
Climate
subalpine or subarctic

About

Mertensia paniculata, also known as the tall lungwort, tall bluebells, or northern bluebells, is an herb or dwarf shrub with drooping, bright-blue, bell-shaped flowers. It is native to northwestern North America and the Great Lakes.

Where it grows

Mertensia paniculata naturally occurs in the temperate zone of North America, and is known to thrive within the boreal forests. Specifically, the northern bluebell can be found in Canada, including southern British Columbia. Within the United States, the plant can be seen in Alaska, as well as the Olympic Mountains, stretching east through Oregon to Idaho and western Montana. According to the PLANTS database, M. paniculata are also spotted as far east as Michigan, Wisconsin, and Minnesota.

Other Mertensia plants

Tall fringed bluebells · Oysterleaf · Virginia bluebells

Text excerpted from the Wikipedia article Mertensia paniculata by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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