Native Plants

Oblongleaf Bluebells

Mertensia oblongifolia

USDA symbol: MEOB

annual forb

Lower 48 states: native

If you’re looking to add a touch of mountain magic to your garden, oblongleaf bluebells might just be the perfect addition. This charming native wildflower brings the serene beauty of alpine meadows right to your backyard, complete with delicate blue blooms that seem to capture pieces of the sky. Scientifically ...

Oblongleaf Bluebells may be listed as rare in your area.
Global Conservation Status

Status: S4QT2?Q | Apparently Secure: Uncommon but not rare, and usually widespread. Possible cause for longterm concern. Typically more than 100 occurrences in the state or more than 10,000 individuals.

Global Conservation Status

Status: S5T2 | Secure: At low or no risk of extinction in the area due to an extensive range, abundant populations, and with little to no concern of declines or threats.

Oblongleaf Bluebells: A Mountain Gem for Your Native Garden

If you’re looking to add a touch of mountain magic to your garden, oblongleaf bluebells might just be the perfect addition. This charming native wildflower brings the serene beauty of alpine meadows right to your backyard, complete with delicate blue blooms that seem to capture pieces of the sky.

What Are Oblongleaf Bluebells?

Scientifically known as Mertensia oblongifolia, oblongleaf bluebells are herbaceous perennial forbs that belong to the borage family. These lovely plants are true natives of the western United States, making them an excellent choice for gardeners who want to support local ecosystems while enjoying beautiful blooms.

What makes these flowers particularly enchanting is their color-changing act – the buds start out pink and gradually transform into the most gorgeous sky-blue bells as they open. It’s like having a little magic show in your garden every spring!

Where Do They Grow Naturally?

Oblongleaf bluebells are natural residents of the American West, thriving across twelve states: California, Colorado, Idaho, Montana, Nevada, New Mexico, North Dakota, Oregon, South Dakota, Utah, Washington, and Wyoming. They’ve made themselves at home in the mountainous regions, where they’ve adapted to cooler temperatures and well-draining soils.

  • Species observed
  • No observations

Why Plant Oblongleaf Bluebells in Your Garden?

There are several compelling reasons to consider adding these beauties to your landscape:

  • Native Plant Benefits: As true natives, they’re perfectly adapted to local conditions and support regional wildlife
  • Pollinator Magnet: The nectar-rich flowers attract bees, butterflies, and other beneficial insects
  • Low Maintenance: Once established, they’re quite drought tolerant and require minimal care
  • Unique Beauty: The color-changing flowers and attractive gray-green foliage add visual interest
  • Versatile Placement: They work well in various garden settings, from rock gardens to wildflower meadows

Perfect Garden Settings

Oblongleaf bluebells shine in several garden styles:

  • Rock Gardens: Their mountain heritage makes them perfect companions for alpine plants
  • Native Plant Gardens: They blend beautifully with other western native species
  • Wildflower Meadows: Add them to naturalized areas for a splash of early season color
  • Cottage Gardens: Their charming, informal appearance fits right into relaxed garden designs

Growing Conditions and Care

These mountain natives prefer conditions that mimic their natural habitat:

  • Light: Partial shade to full sun (morning sun with afternoon protection is ideal)
  • Soil: Well-draining soil is essential – they don’t like wet feet
  • Water: Moderate moisture during growing season, drought tolerant once established
  • Climate: Hardy in USDA zones 3-7, they love cooler temperatures

Planting and Care Tips

Getting started with oblongleaf bluebells is relatively straightforward:

  • When to Plant: Spring is the ideal time, after the last frost
  • Soil Preparation: Ensure excellent drainage by amending heavy soils with compost or sand
  • Watering: Keep soil evenly moist during the first growing season, then reduce watering
  • Mulching: Apply a light layer of organic mulch to retain moisture and suppress weeds
  • Fertilizing: These plants typically don’t need additional fertilizer in average soils

Special Considerations

Oblongleaf bluebells have an interesting relationship with water. While they can grow in various moisture conditions (their wetland status ranges from facultative to obligate upland depending on the region), they generally prefer well-draining sites in garden settings. This flexibility makes them adaptable to different garden situations.

One thing to keep in mind is that these plants may go dormant during hot summer months, especially in warmer climates. This is completely natural – they’re just taking a summer nap until cooler weather returns!

The Bottom Line

Oblongleaf bluebells offer gardeners a wonderful opportunity to grow a truly native plant that’s both beautiful and beneficial. Their charming flowers, pollinator appeal, and low-maintenance nature make them an excellent choice for anyone looking to create a more sustainable, wildlife-friendly garden. Plus, there’s something deeply satisfying about growing a plant that naturally belongs in your region – it’s like giving a piece of your local landscape a special place to shine in your own backyard.

Whether you’re creating a rock garden, expanding a native plant collection, or simply want to try something new and lovely, oblongleaf bluebells might just become one of your favorite garden discoveries.

Mertensia oblongifolia is also known as...

Often we refer to plants by their common names. When shopping for plants the scientific name is the best way to positively identify the plant species you desire. But some plants have more than one name! While it doesn't happen often, nurseries might display one name while you're searching for another. Mertensia oblongifolia is also known as:

Mertensia bakeri | USDA symbol: MEBA
Mertensia bakeri Greene var. osterhoutii | USDA symbol: MEBAO
Mertensia cusickii | USDA symbol: MECU
Mertensia fusiformis | USDA symbol: MEFU2
Mertensia lanceolata DC. var. fendleri | USDA symbol: MELAF
Mertensia lanceolata DC. var. nivalis | USDA symbol: MELAN4
Mertensia lanceolata DC. var. pubens | USDA symbol: MELAP2
Mertensia lanceolata DC. var. viridis | USDA symbol: MELAV2
Mertensia oblongifolia Don var. amoena | USDA symbol: MEOBA
Mertensia oblongifolia Don var. nevadensis | USDA symbol: MEOBN

Why do some plants have more than one name? Over time plant species may be renamed for a few reasons:

  1. Botanists in different regions named the same plant without knowing it had already been classified.
  2. A species was reclassified after scientific advances in, for example, DNA analysis.
  3. Slight variations within a species are sometimes mistakenly identified as entirely new species.

Classification

Group: Dicot
Kingdom: Plantae - Plants
Subkingdom: Tracheobionta - Vascular plants
Superdivision: Spermatophyta - Seed plants
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicotyledons
Subclass: Asteridae
Order: Lamiales
Family: Boraginaceae Juss. - Borage family
Genus: Mertensia Roth - bluebells

Species: Mertensia oblongifolia (Nutt.) G. Don - oblongleaf bluebells

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA