PlantFun
Plant Needs
Sunlight
Full sun to partial shade; requires at least 6 hours of direct sunlight daily to maintain its deep blackish foliage color
Watering
Water deeply when the top 5–7 cm of soil dries out; avoid overwatering to prevent root rot and fungal growth
Temperature
Hardy to -10°C; tolerates moderate summer heat up to 30°C; protect young plants from harsh winter winds
Characteristics
- Foliage: Dense, awl-shaped dark green to blackish-green needles arranged in whorls
- Cones: Small, globular brown cones (1–2 cm diameter) maturing in the second growing year
- Stem: Slender, tightly branching stems forming a compact columnar to pyramidal silhouette
Care Guide
Watering
Water regularly during dry spells to keep soil evenly moist but not waterlogged
Fertilization
Apply slow-release balanced fertilizer once in early spring. Use low-nitrogen fertilizer to prevent excessive foliage growth that dilutes the dark color
Eggshell powder top dressing：Crush clean, dried eggshells into fine powder; sprinkle 1 tbsp per plant around the base in early spring; water gently to incorporate into soilPruning
- Remove dead or damaged branches in early spring to maintain plant health and form
- Trim stray branches lightly to preserve the compact pyramidal or columnar shape
- Avoid heavy pruning as growth is slow; focus on minimal shaping only
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Non-toxic; no reported toxicity to cats
Humans: Non-toxic to humans; no known adverse effects from ingestion or skin contact
Garden Uses & Culture
Culture: Symbolizes longevity and resilience in traditional Japanese garden design
Usage: Ornamental specimen plant; rock garden accent; container gardening for patios or indoor display
