PlantFun
Plant Needs
Sunlight
Full sun to partial shade; produces the most blooms in full sun, but tolerates dappled shade in hot climates
Watering
Water deeply when the top 2–3 cm of soil feels dry; avoid overwatering to prevent root rot
Temperature
Hardy to -10°C; thrives in temperate to warm climates; protect young plants from extreme frost
Characteristics
- Leaf: Heart-shaped, dark green foliage with fuzzy undersides and serrated margins
- Flower: Dense terminal clusters of pink to rose-purple tubular blooms with strong, sweet fragrance
- Stem: Young stems are green and slightly hairy; mature stems become woody and brownish
Care Guide
Watering
Keep soil consistently moist but not waterlogged
Fertilization
Apply diluted balanced fertilizer every 2 weeks. Discontinue fertilization in late autumn to prepare the plant for winter dormancy
Composted banana peel tea：Steep fully composted banana peels in water for 3 days; dilute the tea 1:20 with water before applying as a root drench; avoid using raw peels to prevent pest infestationsPruning
- Deadhead faded flower clusters regularly to encourage continuous blooming throughout summer
- Cut back overgrown stems by one-third in late winter to maintain a compact, rounded shape
- Remove dead, diseased, or damaged branches to improve airflow and reduce disease risk
- Thin dense inner growth to allow light penetration and promote healthy foliage development
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Toxic; contains saponins that cause gastrointestinal distress in cats
Humans: Mild oral irritation if ingested; prolonged skin contact may cause minor rash in sensitive individuals
Garden Uses & Culture
Culture: N/A
Usage: Ornamental garden shrub; fragrant cut flowers for indoor floral arrangements; attracts butterflies and hummingbirds
