Mertensia maritima aka Northern Shorewort

Taxonomy ID: 11628

Mertensia maritima, also known as oyster leaf in North America, oyster plant in the British Isles, and sea bluebells, is a species of flowering plant in the borage family. This perennial herb can be found on gravelly sea shores, typically within the reach of the highest winter tides in the Northern Hemisphere. Its distribution extends to the northern parts of Canada, Greenland, and Svalbard. With its maximum stem length reaching 50 centimeters, M. maritima displays fleshy, blue-grey-green leaves, up to 10cm long, and forms branched clusters of bright blue, bell-shaped flowers that emerge from pink buds in early summer.

Common names

Northern Shorewort, Oysterplant, Seaside Smooth Gromwell, Oysterleaf, Sea Lungwort

More information about Northern Shorewort

How difficult is it to take care of Northern Shorewort

Northern Shorewort presents a moderate level of care, which allows plant enthusiasts with some experience to expand their skills and knowledge.

What is the growth pattern and size of Northern Shorewort?

Northern Shorewort grows vertically and new growth emerges from the top of the plant.

What is the region of origin of Northern Shorewort

Northern Shorewort’s native range is Throughout the temperate regions of both hemispheres, including Britain.

What are the water needs for Northern Shorewort

Northern Shorewort should be watered regularly, allowing the soil to dry out between waterings.

What is the right soil for Northern Shorewort

Northern Shorewort loves a well-draining soil. Perlite and vermiculite help with drainage, while coco coir adds organic matter, so a good potting soil mix will have all three. You can improve store-bought soil by adding some perlite to it.

What is the sunlight requirement for Northern Shorewort

To ensure optimal growth, the Northern Shorewort prefers bright diffused light for 6-8 hours each day. Insufficient light can result in slow growth and leaf drop, so it's important to find a well-lit location for this plant. Place it near a window, within a distance of 1 meter (3 feet), to enhance its potential for thriving.

Is Northern Shorewort toxic to humans/pets?

The toxicity level of this plant has not been officially confirmed by Ploi. If there is a possibility of ingestion of plant material with an uncertain toxicity by you, a family member, or a pet, it is advisable to seek the assistance of a medical professional.

More info:
Wikipedia • GBIF

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