PlantFun
Plant Needs
Sunlight
Partial sun to full shade; tolerates full sun in cool temperate climates, avoid intense midday sun in hot regions
Watering
Water deeply when the top 2 cm of soil is dry; avoid overwatering to prevent root rot in heavy soils
Temperature
Hardy to -15°C; withstands mild summer heat, avoid prolonged exposure to temperatures above 30°C
Characteristics
- Leaf: Oval to obovate, glossy dark green; bronze or purple foliage cultivars available
- Flower: Spikes of tubular blue, purple, or white blooms clustered at upright stem tips
- Stem: Creeping stolons for vegetative spread; slender upright flowering stems
Care Guide
Watering
Keep soil evenly moist during active growth; reduce watering in extended dry spells
Fertilization
Light, balanced feed once monthly. Use diluted, low-nitrogen feed to avoid excessive foliage growth at the expense of blooms
Eggshell powder topdressing：Crush dried eggshells into fine powder; sprinkle 1 tsp per plant and work lightly into topsoil to boost soil structure and calcium levelsPruning
- Trim back spent flower spikes after blooming to maintain tidy growth
- Thin overcrowded patches in early spring to improve airflow and reduce disease risk
- Cut back damaged or browning foliage in late winter to promote fresh new growth
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Non-toxic to cats; no reported adverse effects
Humans: No known toxic effects from ingestion or contact
Garden Uses & Culture
Culture: N/A
Usage: Groundcover for slopes, borders, and under trees; erosion control in garden beds
