PlantFun
Plant Needs
Sunlight
Full sun to partial shade; tolerates urban pollution and compacted soil conditions
Watering
Water deeply during prolonged dry spells; established mature trees are drought-tolerant
Temperature
Hardy to -20°C; thrives in temperate climates, avoid extreme heat stress above 35°C
Characteristics
- Leaf: Heart-shaped, dark green upper surface with silvery-white densely fuzzy underside
- Flower: Clusters of creamy-yellow, highly fragrant blooms
- Stem/Bark: Smooth gray bark in youth; develops furrowed texture with maturity
Care Guide
Watering
Water deeply every 7–10 days during dry periods to support new growth
Fertilization
Apply balanced slow-release fertilizer once to support spring growth. Do not fertilize mature established trees unless soil nutrient levels are confirmed deficient
Eggshell Powder Topdressing：Crush dried eggshells into fine powder; sprinkle 1–2 tbsp around the tree's drip line; water thoroughly to release nutrients and prevent soil compactionPruning
- Prune in late winter to remove dead, damaged, or crossing branches
- Thin the canopy lightly to improve airflow and light penetration
- Maintain the tree's natural rounded form; avoid heavy pruning that disrupts growth structure
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Non-toxic to cats; no known adverse effects from ingestion
Humans: Non-toxic to humans; flowers are safe for herbal tea preparation
Garden Uses & Culture
Culture: Symbolizes peace and protection in traditional European folklore
Usage: Ornamental shade tree; fragrant flowers used to make herbal tea and honey
