PlantFun
Plant Needs
Sunlight
Full sun to partial shade; protect from intense midday sun in hot tropical regions to prevent leaf scorch
Watering
Water when the top 2 cm of soil feels dry; avoid overwatering to prevent root rot
Temperature
Thrives in warm temperate to tropical conditions; avoid exposure to frost below 10°C as it will kill the annual plant
Characteristics
- Leaf: Ovate with serrated edges; green or deep purple, aromatic when crushed
- Flower: Small, pale purple to white, arranged in dense terminal spikes
- Stem: Square, green or purple, covered in fine, soft hairs
Care Guide
Watering
Keep soil consistently moist but not waterlogged to support active growth
Fertilization
Diluted balanced liquid feed every 2 weeks. Avoid over-fertilizing to prevent excessive leaf growth at the expense of flavor
Banana peel compost tea：Compost banana peels for 2–3 weeks, steep in water for 24 hours, dilute 1:20 for root drench; avoid raw peels to prevent pest infestations and odorPruning
- Pinch back young stem tips to encourage bushy, compact growth
- Remove spent flower spikes to redirect energy to foliage production
- Trim yellowing or damaged leaves to maintain plant health and appearance
- Cut back overgrown stems in mid-summer to promote new, tender foliage
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Toxic; contains perilla ketone which may cause vomiting, difficulty breathing, and lethargy
Humans: Mild gastrointestinal upset if ingested in large quantities; may cause skin irritation in sensitive individuals
Garden Uses & Culture
Culture: Used in East Asian cuisine and traditional medicine; symbolizes vitality in some Japanese cultural contexts
Usage: Culinary herb (leaves for seasoning, wraps, or pickling), ornamental foliage, and traditional medicinal applications for respiratory support
