Japanese Marlberry (Ardisia japonica)

Japanese Marlberry

Ardisia japonica

Glossy evergreen foliage bears delicate blooms and winter berries, a quiet groundcover gem. Low-growing perennial; common name: Japanese ardisia.

Partial sun
1–2/week
Beginner
🌱

Plant Needs

☀️
Sunlight Bright indirect light; tolerates partial shade, avoid harsh midday direct sun to prevent leaf scorch
💧
Watering Water when the top 2–3 cm of soil feels dry; avoid overwatering to prevent root rot
🌡️
Temperature Thrives in 15–22℃; tolerates light frost down to 5℃, protect from temperatures below 0℃
🔍

Characteristics

  • Leaf: Glossy, leathery evergreen leaves; elliptical to obovate, dark green upper surface, pale green underside
  • Flower: Clusters of small, star-shaped white or pale pink fragrant blooms
  • Fruit: Bright red spherical berries persisting through winter
🛠️

Care Guide

Watering

Keep soil evenly moist; mist occasionally to increase ambient humidity

Fertilization

Diluted balanced liquid feed every 4 weeks. Discontinue fertilization in autumn and winter when growth slows

Eggshell powder topdressing:Crush dried eggshells into fine powder; sprinkle lightly on soil surface to boost calcium levels and maintain slightly acidic pH
Pruning
  • Trim overgrown stems in early spring to maintain a compact, mat-forming habit
  • Remove yellowing or damaged leaves to improve airflow and appearance
  • Deadhead spent blooms for tidiness; leave berries intact for winter ornamental interest
⚠️

Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Toxic due to saponins; may cause vomiting, diarrhea, lethargy

Humans: Ingestion of leaves or berries may cause mild gastrointestinal distress

📖

Garden Uses & Culture

Culture: Symbolizes perseverance due to its evergreen foliage and long-lasting winter berries

Usage: Shaded garden groundcover; indoor ornamental for foliage and berry display