Ostbo Red Mountain Laurel

Ostbo Red Mountain Laurel (Kalmia latifolia 'Ostbo Red')

Ostbo Red Mountain Laurel (Kalmia latifolia 'Ostbo Red') is a compact evergreen shrub known for its rich red buds and boldly colored blooms. As one of the deeper-toned cultivars of Eastern Mountain Laurel, it brings vibrant late-spring color and year-round foliage interest to shaded gardens, woodland borders, and native landscapes.

Distinctive Features

'Ostbo Red' produces tight clusters of crimson-red buds that open into deep pink to red flowers, each subtly marked with darker central accents. The dramatic coloring offers rare intensity for shade-loving shrubs. Its glossy, dark green foliage remains evergreen throughout the year, and the plant forms a dense, rounded habit typically reaching 3 to 5 feet tall and wide.

Growing Conditions

• Sun Exposure: Partial shade to full shade; best with morning sun and afternoon protection
• Soil: Moist, acidic, well-drained soil with high organic content
• Water: Moderate; prefers consistent moisture but does not tolerate soggy soils
• USDA Hardiness Zones: 5�8

Ideal Uses

• Focal Point: Vivid red buds and flowers provide striking contrast in shaded garden areas
• Foundation Planting: Compact shape works well near structures in shaded exposures
• Woodland Borders: Pairs naturally with native ferns, rhododendrons, and azaleas
• Mixed Evergreen Borders: Adds reliable form and vibrant bloom in spring
• Native Plantings: Enhances biodiversity while offering refined ornamental value

Low Maintenance Care

• Watering: Maintain evenly moist soil, particularly during establishment
• Pruning: Lightly prune after bloom to remove spent flowers or refine shape
• Fertilizing: Use an acid-loving fertilizer in spring to encourage growth and flowering
• Mulching: Helps retain moisture and regulate soil temperature
• Pest Resistance: Typically deer resistant and low in pest problems

Why Choose Ostbo Red Mountain Laurel?

• Deep Red Blooms: Among the darkest flowering Mountain Laurel cultivars
• Evergreen Presence: Dense, glossy foliage provides year-round structure
• Compact Habit: Well-suited for smaller spaces and layered borders
• Shade Adaptability: Thrives in areas where sun-loving shrubs won�t grow
• Focal Point: Bold bloom color and neat form create standout impact in shade gardens

Kalmia latifolia 'Ostbo Red' offers rare red flower color and evergreen refinement, making it an excellent choice for gardeners looking to add strong visual contrast and lasting structure to shaded landscapes.