PlantFun
Plant Needs
Sunlight
Full sun to partial shade; thrives in bright, direct sunlight for most of the day; tolerates light shade in hot summer climates
Watering
Water deeply when the top 2–3 cm of soil is dry; avoid overwatering to prevent root rot
Temperature
Tolerates mild frosts down to 5°C; prefers warm daytime temperatures between 18–25°C for optimal growth
Characteristics
- Leaf: Large, ovate, fuzzy gray-green leaves with wrinkled texture and serrated margins
- Flower: Whorled clusters of pale blue, pink, or white tubular blooms on tall, branching spikes
- Stem: Square, hairy stems typical of the mint family
Care Guide
Watering
Keep soil consistently moist but not waterlogged
Fertilization
Feed with diluted balanced fertilizer once monthly. Use low-nitrogen fertilizer to prioritize flower production over foliage growth
Composted banana peel tea：Steep 1 fully composted banana peel in 1L of water for 24 hours, strain thoroughly, and drench soil to avoid pest attractionPruning
- Deadhead spent flower spikes to encourage extended blooming period
- Cut back stems by 50% after flowering to promote bushier, compact growth for the following season
- Remove yellowing or damaged leaves to maintain plant health and airflow
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Non-toxic; no known adverse effects from ingestion or contact
Humans: Non-toxic; edible in moderation as a culinary and medicinal herb
Garden Uses & Culture
Culture: Used in aromatherapy for calming and stress-relieving properties; historically used as a medicinal herb for eye care
Usage: Ornamental garden plant; culinary herb for flavoring; essential oil production for cosmetics and wellness products
