Azalea obtusum ‘Kermesina’ – A Compact Evergreen Azalea with Rich Red Flowers
Azalea obtusum ‘Kermesina’ is a compact evergreen azalea valued for its vivid spring flowers and neat, low-growing habit. In late spring, it produces masses of rich crimson-red blooms that almost cover the plant, creating a striking splash of colour in borders, containers, and Japanese-style gardens.
This reliable variety also offers attractive evergreen foliage and excellent winter hardiness, making it a superb choice for smaller gardens.
Why Grow Azalea obtusum ‘Kermesina’?
Intense Red Spring Flowers
In late spring, ‘Kermesina’ produces a profusion of small, funnel-shaped, deep red to crimson flowers, creating a dramatic and long-lasting display that stands out against the dark green foliage.
Compact, Mound-Forming Habit
This variety forms a dense, rounded shrub, typically reaching 40–60 cm in height, making it ideal for containers, rockeries, low borders, and the front of ericaceous beds.
Evergreen Foliage
The small, glossy green leaves remain on the plant year-round, providing structure and colour even outside the flowering season.
Hardy and Easy to Grow
Azalea obtusum ‘Kermesina’ is hardy and reliable when planted in suitable conditions. It thrives in acidic soils and is well suited to sheltered gardens and cooler climates.
Height and Spread
Typically grows 40–60 cm tall, with a similar spread.
Where to Site Your Azalea obtusum ‘Kermesina’
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Containers and patio pots, using ericaceous compost
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Low borders and edging, for spring colour
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Rockeries and Japanese-style gardens
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Woodland gardens, in light or dappled shade
How to Grow and Care
Soil
Requires acidic, humus-rich, well-drained soil. Use ericaceous compost for container planting.
Light
Best grown in partial shade, though it tolerates full sun in cooler or sheltered locations.
Watering
Keep soil evenly moist, particularly during dry spells. Avoid allowing roots to dry out or sit in water.
Maintenance
Pruning: Minimal; remove spent flowers after blooming to maintain a neat shape.
Mulching: Apply an annual mulch of bark or leaf mould to conserve moisture and maintain soil acidity.
Pests & Diseases: Generally trouble-free when grown in suitable conditions.
Perfect Plant Combinations
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Other dwarf azaleas for layered spring displays
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Rhododendrons in ericaceous borders
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Spring bulbs such as dwarf Narcissus
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Evergreen shrubs and mosses for Japanese-style planting