Mertensia maritima — a medium houseplant, prefers full sun light
SPECIMEN · FROM THE LIBRARY
Mertensia maritima

Mertensia Maritima

Updated · 330 observations
ON THIS PLANT

Mertensia maritima, commonly known as the oyster plant or sea bluebells, is a small perennial herb belonging to the Boraginaceae family. Native to the coastal regions of Europe and North America, it thrives in sandy or rocky soils near the sea. The plant features fleshy, succulent leaves that are blue-green in color and resemble oyster shells. These edible leaves have a salty taste reminiscent of oysters, which explains its common name. In late spring or early summer, Mertensia maritima produces small clusters of pale blue flowers that attract bees and other pollinators. The plant is hardy in USDA zones 4-8, preferring cool temperatures with moderate moisture levels. The medicinal properties of Mertensia maritima have been studied for their anti-inflammatory effects on skin conditions such as eczema and psoriasis. It has also been traditionally used for its diuretic properties. In recent years, Mertensia maritima has gained popularity among chefs as a unique culinary ingredient due to its distinctive flavor profile that resembles seafood dishes like oysters or clams. It can be used fresh or dried in salads, soups, sauces, cocktails, or as a garnish. Overall, Mertensia maritima is an intriguing herb with unique culinary applications and potential medicinal benefits, making it a fascinating addition to any garden!

CHARACTERISTICS

Botanical profile.

Plant Type
Herb
Life Cycle
Perennial
Genus
Mertensia
Family
Boraginaceae
Hardiness Zone
3-7
Mature Height
10 cm
Mature Spread
30 cm
Leaf Color
Green, Blue, Silver, Gray
Leaf Type
Deciduous
Flower Color
Blue, Purple
Flower Size
2.54 cm
Bloom Time
Mid spring, Late spring, Early summer
Planting Time
Spring, Summer, Autumn
Harvest Time
Summer
ALSO KNOWN AS

Other names.

en Northern shorewort en Oysterplant en Seaside smooth-gromwell en Sea-bugloss en Sea-lungwort en Oysterleaf en Sea bluebells en Sea mertensia en Seaside bluebells
PLATES
Mertensia maritima leaf
PLATE 01 · leaf
Mertensia maritima leaf
PLATE 02 · leaf
Mertensia maritima flower
PLATE 03 · flower
Mertensia maritima flower
PLATE 04 · flower
Mertensia maritima bark
PLATE 05 · bark
Mertensia maritima habit
PLATE 06 · habit
ALSO IN THE LIBRARY

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