PlantFun
Plant Needs
Sunlight
Full sun to partial shade; thrives in bright direct sunlight, tolerates mild afternoon shade in hot climates
Watering
Water deeply when the top 2–3 cm of soil is dry; avoid overwatering to prevent root rot
Temperature
Prefers warm 18–28°C conditions; tolerates light frosts but may die back to roots in cold winters
Characteristics
- Leaf: Narrow, lanceolate bright green leaves with slightly serrated margins, arranged oppositely on stems
- Flower: Dense spikes of snapdragon-like tubular blooms in purple, pink, white, or blue
- Stem: Erect, branching stems with a slightly woody base in mature plants
Care Guide
Watering
Keep soil consistently moist but not waterlogged
Fertilization
Apply balanced diluted liquid fertilizer every 2 weeks. Stop fertilizing in late autumn as growth slows
Banana peel tea：Soak 1 chopped banana peel in 1 liter of water for 24 hours, strain, and use to water plants; avoid overuse to prevent nutrient buildupPruning
- Deadhead spent flower spikes regularly to encourage continuous blooming
- Pinch back young stems to promote bushier, compact growth
- Trim leggy mid-summer growth to maintain plant shape
- Cut back to basal growth in late autumn to prepare for winter dormancy
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Non-toxic to cats
Humans: No documented toxicity to humans
Garden Uses & Culture
Culture: N/A
Usage: Ornamental garden plant; cut flower for floral arrangements
