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Japanese Rhododendron
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Rhododendron japonicum · Ericaceae

Japanese Rhododendron

⚠️ Not safe for petsPerennial life cycle, with annual flowering.30 to 60 cm
Partial shadeMediumMediumDown to -10 degrees Celsius

Description & origin

Rhododendron japonicum is an evergreen shrub valued for its vibrant flowers. Its yellow and orange blooms appear in spring, adding color to gardens.

Size

Can reach up to 1 meter in height, depending on growing conditions.

Foliage

Leaves are green and glossy, remaining throughout the year.

Flowering

Blooms in spring, attracting pollinators like bees and butterflies.

Detailed care

Light

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

Soil

Prefers acidic, well-drained soils rich in organic matter.

Watering

Requires regular watering, keeping the soil slightly moist but not soggy.

Temperature

Cold resistant, tolerates temperatures down to -10 degrees Celsius.

Fertilising

Fertilize in spring with a fertilizer specific for acid-loving plants.

Repotting

Transplant in spring, ensuring the soil is well-prepared.

Pruning

Light pruning after flowering to maintain shape and encourage growth.

Propagation

Propagates by semi-hardwood cuttings in spring or autumn.

Common problems

Fungal diseases

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

Pests

Can be attacked by aphids and scale insects, affecting leaf health.

Leaf yellowing

May indicate overwatering or poorly acidic soil.

Uses & curiosities

In the garden

  • Ideal for borders and flower beds
  • Attracts pollinators to the garden
  • Perfect for Japanese-style gardens

Other uses

Used in landscaping to create shaded and colorful areas

Did you know…

This species is native to Japan and is known for its cold resistance. It is an excellent choice for gardens that require plants that bloom in cooler conditions.