PlantFun
Plant Needs
Sunlight
Requires full direct sunlight daily; produces fewer blooms in partial shade
Watering
Drought-tolerant; water only when top 10 cm of soil is completely dry
Temperature
Hardy to severe winter cold; avoids prolonged temperatures above 28°C
Characteristics
- Leaf: Reduced to sharp, 1–2 cm green spines to minimize water loss and deter herbivores
- Flower: Bright yellow, pea-like fragrant blooms clustered at stem tips
- Stem: Densely branched, woody stems covered in overlapping spines
Care Guide
Watering
Water sparingly during extended dry spells; allow soil to fully dry between waterings
Fertilization
Apply diluted low-nitrogen feed once monthly. Fertilizer is unnecessary in natural low-nutrient habitats
Composted eggshell powder：Sprinkle a thin layer around the shrub base; avoid direct contact with stems to prevent irritationPruning
- Remove dead, woody stems in early spring to stimulate new growth
- Thin overcrowded branches to improve airflow and reduce disease risk
- Prune immediately after flowering to maintain a compact, spreading habit
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: No recorded toxicity to cats
Humans: No known toxic effects to humans from ingestion or skin contact
Garden Uses & Culture
Culture: Associated with lowland heathland conservation and wild pollinator habitats
Usage: Ornamental groundcover for rock gardens; provides nectar for early-season bees
