PlantFun
Plant Needs
Sunlight
Full sun to partial shade; prefers at least 6 hours of direct sun daily, with afternoon shade recommended in hot, arid climates
Watering
Water deeply when the top 5 cm of soil is dry; avoid overwatering to prevent root rot and fungal growth
Temperature
Hardy to USDA zones 3-8; tolerates freezing winter temperatures and warm summer heat without significant damage
Characteristics
- Leaf: Lance-shaped, opposite, serrated edges; medium green foliage that turns reddish in autumn
- Flower: Tubular white blooms with pinkish undertones, clustered on upright, branching spikes
- Stem: Erect, sturdy green to reddish-brown stems that support flower clusters
Care Guide
Watering
Keep soil consistently moist during active growth; provide supplemental water during prolonged dry spells
Fertilization
Diluted balanced liquid feed once every 4 weeks. Use a low-nitrogen fertilizer to encourage abundant flowering
Composted coffee grounds tea：Use only fully composted coffee grounds to avoid soil acidity spikes; dilute 1 part tea to 30 parts water for root drenchingPruning
- Deadhead spent flower spikes to encourage a second bloom cycle in late summer
- Cut back foliage to ground level in late autumn to prepare for winter dormancy
- Thin overcrowded clumps every 2-3 years in early spring to improve airflow and reduce disease risk
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Non-toxic to cats; no reported toxicity
Humans: Non-toxic to humans; no known adverse effects from ingestion or contact
Garden Uses & Culture
Culture: N/A
Usage: Pollinator-friendly plant for bees and hummingbirds; cut flower for floral arrangements; ornamental garden plant
