PlantFun
Plant Needs
Sunlight
Requires full sun to partial shade; 6+ hours of direct sunlight daily promotes maximum flower production and fragrance
Watering
Water when the top 2 cm of soil feels dry; avoid overwatering to prevent root rot and fungal growth
Temperature
Thrives in warm temperate to tropical conditions; protect from frost and temperatures below 10°C to prevent foliage damage
Characteristics
- Leaf: Oval to lanceolate, fuzzy green foliage with prominent, slightly indented veins
- Flower: Tiny funnel-shaped purple-blue blooms arranged in dense, coiled terminal clusters
- Stem: Hairy, upright green stems branching from basal crown growth
Care Guide
Watering
Keep soil consistently moist but not waterlogged; increase frequency during heatwaves
Fertilization
Diluted balanced liquid feed every 2 weeks. Discontinue fertilization in autumn to prepare the plant for dormancy
Banana peel compost tea：Soak fully composted banana peels in water for 3 days; dilute the infusion 1:20 with water before applying as a root drench; avoid using raw peels to prevent pest infestationsPruning
- Deadhead spent flower clusters regularly to encourage continuous blooming through the growing season
- Trim leggy or overgrown stems in early spring to promote compact, bushier growth
- Remove yellowing or damaged foliage to improve airflow and reduce disease risk
- Cut back basal growth by one-third in late autumn to prepare for winter dormancy
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Toxic; ingestion can cause vomiting, diarrhea, and long-term liver impairment
Humans: Contains pyrrolizidine alkaloids; prolonged ingestion may cause liver damage; sap may irritate sensitive skin
Garden Uses & Culture
Culture: N/A
Usage: Ornamental garden plant; fragrant cut flower arrangements; attracts pollinators like bees and butterflies
