Mertensia oblongifolia — a medium houseplant, prefers partial sun light
SPECIMEN · FROM THE LIBRARY
Mertensia oblongifolia

Mertensia Oblongifolia

Updated · 26 observations
ON THIS PLANT

Mertensia oblongifolia is a species of flowering plant in the borage family known by the common names oblongleaf bluebells and sagebrush bluebells. It is native to the western United States, where it grows in several types of habitat, including meadows and sagebrush.

A note from PlantMom

Oblongleaf bluebells is disease-resistant and generally not prone to illnesses. However, it can be affected by pests and diseases present in its surroundings. These infections are usually mild. For care, this plant requires moderate maintenance. It should be pruned regularly to keep a good appearance and support healthy growth. Fertilizing can also help encourage flowering. Oblongleaf bluebells is suitable for anyone with an outdoor area, such as a garden or patio, and does not need extensive care experience. It may demand more attention when grown indoors.

— PlantMom
CARE GUIDE

How to keep Mertensia Oblongifolia.

Light

Oblongleaf bluebells occurs naturally in habitats like forest understories and rocky areas, where it exists in natural shade. It prefers partial sun but can tolerate full sun or full shade, illustrating its adaptable, hardy nature.

Fertilizer

For Oblongleaf bluebells, the primary time to apply fertilizer is early spring when the flowers are beginning to form. The appropriate fertilizer promotes improved blooms and helps Oblongleaf bluebells produce attractive flowers. Fertilizing in early spring ensures strong flowering during the season and supplies energy for dormant growth phases.

Pruning

Prune oblongleaf bluebells in early spring to eliminate dead stems and encourage vigorous blooming. Regular deadheading can extend the blooming period. Use clean, sharp tools to prevent disease. Pruning not only improves the plant's overall health but also encourages attractive growth, making oblongleaf bluebells a favorite among gardeners.

CHARACTERISTICS

Botanical profile.

Plant Type
Herb
Life Cycle
Perennial
Genus
Mertensia
Family
Boraginaceae
Hardiness Zone
3-8
Mature Height
10 cm to 30 cm
Mature Spread
15 cm to 30 cm
Leaf Color
Green, Dark Green
Leaf Type
Deciduous
Flower Size
1.02 cm to 1.52 cm
Bloom Time
Early spring, Mid spring
Planting Time
Spring, Autumn
Harvest Time
Late spring, Early summer
ALSO KNOWN AS

Other names.

en Oblongleaf bluebells en Sagebrush bluebells en Oblong-leaved bluebells en Leafy bluebells en Leafy lungwort
FREQUENTLY ASKED

Reader questions.

What are the sunlight requirements for Oblongleaf bluebells?

Oblongleaf bluebells (Mertensia oblongifolia) thrive in partial sun, receiving about 3-6 hours of sunlight daily. It's important to observe the movement of sunlight through your garden to find locations that offer a balanced environment of light and shade, ensuring the plants' wellbeing. This careful choice will help in their growth and flowering.

PLATES
Mertensia oblongifolia flower
PLATE 01 · flower
Mertensia oblongifolia flower
PLATE 02 · flower
Mertensia oblongifolia habit
PLATE 03 · habit
Mertensia oblongifolia habit
PLATE 04 · habit
ALSO IN THE LIBRARY

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