Oblongleaf Bluebells (Mertensia Oblongifolia) is a perennial herb in the Boraginaceae family with easy care difficulty. It requires moderate watering and full sun or partial shade light in USDA hardiness zones 4-9. This plant is safe for cats and dogs.

Mertensia oblongifolia is a perennial herbaceous plant in the borage family, native to western North America, especially California. It features bell-shaped blue flowers and oblong leaves.

Oblongleaf Bluebells

Oblongleaf Bluebells

Mertensia Oblongifolia

Mertensia oblongifolia is a perennial herbaceous plant in the borage family, native to western North America, especially California. It features bell-shaped blue flowers and oblong leaves.

Quick Facts

Type
herb
Lifecycle
perennial
Care Difficulty
Easy
Water Needs
Moderate
Light
Full Sun, Partial Shade
Hardiness Zones
4-9

Safety

🐕
Pet Safe
👶
Child Safe
Non-Toxic

Growing Conditions

Soil Types:sandy, loamy, clay
Indoor:No
Outdoor:Yes
Garden Use:groundcover, pollinator attraction

Care Calendar

Monthly care tasks for Oblongleaf Bluebells

Jan
Prune
Feb
Fertilize
Mar
Repot
Apr
Water+
May
...
Jun
...
Jul
...
Aug
...
Sep
...
Oct
...
Nov
...
Dec
...

Expert Care Tips

Pro tips from botanists and plant experts

Watering Tip

Check soil moisture by inserting your finger 1 inch deep. Water only when the top layer feels dry to prevent overwatering.

Humidity Trick

Group plants together to create...

Growth Hack

Rotate your plant every...

Photo Gallery10+ photos

Oblongleaf Bluebells
Oblongleaf Bluebells detail

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Taxonomy

Family:Boraginaceae
Genus:Mertensia