PlantFun
Plant Needs
Sunlight
Full sun to partial shade; blooms best in full sun, tolerates light shade without reduced foliage health
Watering
Water deeply when top 5 cm of soil is dry; drought-tolerant once established, avoid overwatering
Temperature
Hardy to -15°C; withstands mild summer heat, avoid prolonged exposure to temperatures above 35°C
Characteristics
- Leaf: Small, leathery, dark green evergreen leaves arranged in whorls, with spiny margins
- Flower: Clusters of pale yellow, fragrant blooms in axillary racemes
- Stem: Woody stems with sharp, three-pronged spines at leaf nodes
Care Guide
Watering
Keep soil evenly moist during active growth; avoid waterlogging
Fertilization
Apply balanced granular fertilizer once at the start of growth. Avoid over-fertilizing to prevent soft, disease-prone growth
Eggshell powder top dressing：Sprinkle crushed, dried eggshells around the base; work lightly into topsoil to release nutrients slowly without causing odor or pest issuesPruning
- Prune immediately after flowering to maintain compact shape; remove dead or damaged branches
- Thin dense inner growth to improve airflow and light penetration
- Trim back overgrown stems to retain desired size and form, avoiding heavy pruning of mature wood
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Non-toxic to cats; no reported adverse effects
Humans: No known toxic effects for humans; safe for handling and consumption of small amounts
Garden Uses & Culture
Culture: Symbolizes resilience and protection due to its sharp spines and year-round evergreen foliage
Usage: Ornamental hedge plant, wildlife shelter for small birds, low-maintenance garden shrub
