Rhododendron kermesinum · Ericaceae

Rhododendron

⚠️ Not safe for petsPerennial life cycle, with annual flowering.100 to 200 cm

LightPartial shade

WaterModerate

DifficultyMedium

ColdDown to -10 degrees Celsius

Partial shadeModerateMediumDown to -10 degrees Celsius

Description & origin

Rhododendron kermesinum is a perennial shrub known for its vibrant flowers. It stands out in gardens for its beauty and resilience.

Size

Can reach considerable heights, so it should be planted with enough space.

Foliage

Leaves are leathery and dark green, providing a good contrast with the flowers.

Flowering

Blooms in spring, featuring trumpet-shaped inflorescences.

Light

Prefers filtered light or partial shade, avoiding intense direct sunlight.

Soil

Well-drained soil rich in organic matter, with acidic to slightly acidic pH.

Watering

Moderate watering, keeping the soil slightly moist but not waterlogged.

Temperature

Resistant to cold temperatures but should be protected from severe frosts.

Fertilising

Fertilize in spring with a balanced fertilizer, following the manufacturer's instructions.

Repotting

Transplant in spring or autumn, ensuring the soil is suitable.

Pruning

Light pruning after flowering to maintain shape and encourage growth.

Propagation

Propagates by cuttings or seed, preferably in spring.

Fungal diseases

May be susceptible to diseases like powdery mildew, especially in high humidity conditions.

Pests

Can be attacked by aphids and scale insects, which should be controlled quickly.

Burned leaves

Excessive sun exposure can cause leaf burn.

In the garden

Other uses

Can be grown in large pots.

Did you know…

The flowers of Rhododendron kermesinum attract pollinators such as bees and butterflies. This species is native to mountainous regions.