Mertensia — 6 species
Botanical species in the genus Mertensia recorded in the PlantPeers database.

Mertensia bella
Mertensia bella
Family: Boraginaceae
Cultivation
We have very little information on this species and do not know if it will be hardy in Britain, though judging by its native range it should succeed outdoors in at least the milder areas of the country. It is said to be a very distinct member of the genus with no close allies. The following notes are based on the general needs of the genus.
Full cultivation guide →
Mertensia ciliata
Mertensia ciliata
Family: Boraginaceae
Cultivation
Easily grown in an ordinary garden soil with some shade. Requires a moist peaty soil in full sun or light shade. Plants are hardy to about -20°c.
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Mertensia maritima
Mertensia maritima
Family: Boraginaceae
Cultivation
Thrives in nutritionally poor sandy or gravelly soils in a sunny position. Requires a very well-drained soil. Dislikes shade.
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Mertensia oblongifolia
Mertensia oblongifolia
Family: Boraginaceae
Cultivation
Succeeds in an ordinary garden soil with some shade. A rather difficult plant to grow, it is best in a moist position.
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Mertensia paniculata
Mertensia paniculata
Family: Boraginaceae
Cultivation
Easily grown in an ordinary garden soil with some shade. Prefers a deep moist but well-drained humus-rich soil in sun or semi-shade. If the plant is cut down after flowering, it will normally produce another flush of flowers.
Full cultivation guide →