PlantFun
Plant Needs
Sunlight
Full sun to partial afternoon shade; avoid dense shade to promote consistent blooming
Watering
Water deeply when the top 5 cm of soil is dry; avoid overhead watering to reduce fungal disease risk
Temperature
Best grown in 15–25℃; foliage dies back at temperatures below 0℃, tubers require frost-free overwintering
Characteristics
- Leaf: Opposite, pinnately divided, dark green, slightly serrated margins
- Flower: Composite flower heads; single, semi-double, or fully double blooms in diverse colors (red, pink, yellow, purple, white)
- Stem: Erect, hollow, green to reddish-brown; sturdy in taller cultivars
Care Guide
Watering
Keep soil consistently moist but not waterlogged; add organic mulch to retain moisture
Fertilization
Apply balanced liquid fertilizer every 2 weeks. Avoid high-nitrogen fertilizers which can lead to weak stems and reduced blooming
Banana peel fertilizer tea：Soak fully composted banana peels in water for 24 hours; dilute 1:20 for root drenching; discard solid peels to avoid pest infestationsPruning
- Pinch back young stem tips when plants reach 15 cm tall to encourage bushier growth and more flower buds
- Deadhead spent blooms regularly to extend the flowering season
- Cut back foliage to 10 cm above soil after the first frost before lifting tubers for overwintering
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Non-toxic to cats; no adverse effects from ingestion
Humans: No documented toxicity to humans; tubers were historically consumed as a food source in Mexico
Garden Uses & Culture
Culture: Symbolizes elegance, dignity, and lasting commitment in Western floriography
Usage: Ornamental garden plant; cut flower for floral arrangements and bouquets
