PlantFun
Plant Needs
Sunlight
Full sun to partial shade; produces the most abundant blooms in full sun conditions
Watering
Water deeply when the top 5 cm of soil feels dry; avoid overwatering to prevent root rot
Temperature
Hardy to -30°C for winter dormancy; tolerates summer temperatures up to 35°C
Characteristics
- Leaf: Lance-shaped, serrated edges, medium green, opposite stem arrangement
- Flower: Tubular, snapdragon-like blooms in dense terminal spikes; colors include pink, white, and lavender
- Stem: Erect, square stems characteristic of the mint family; forms dense clumps via rhizomes
Care Guide
Watering
Keep soil consistently moist during active growth; avoid waterlogging
Fertilization
Apply a balanced, slow-release fertilizer once at planting. Avoid over-fertilizing to prevent leggy growth and reduced flowering
Banana peel compost tea：Compost banana peels for 2–3 weeks, steep in water for 24 hours, dilute 1:20 with water for root drenching to avoid nutrient burnPruning
- Deadhead spent flower spikes to extend the flowering season and prevent self-seeding
- Cut back stems to 15 cm above soil level in late autumn after foliage dies back
- Divide clumps every 2–3 years in early spring to control spread and refresh plant vigor
- Trim leggy stems in mid-spring to encourage bushier growth
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA-verified non-toxic; no adverse effects for cats
Humans: No known toxic effects for humans; safe for handling and accidental ingestion
Garden Uses & Culture
Culture: N/A
Usage: Ornamental garden plant for borders and cut flower arrangements; attracts pollinators like bees and butterflies
