PlantFun
Plant Needs
Sunlight
Full sun to partial shade; tolerates afternoon shade in hot, arid climates to prevent leaf scorch
Watering
Water deeply when the top 5–7 cm of soil feels dry; avoid overwatering to prevent root rot
Temperature
Hardy to -15°C; withstands summer heat up to 35°C with consistent soil moisture
Characteristics
- Leaf: Heart-shaped, glossy green, 7–10 cm wide, turns pale yellow in autumn
- Flower: Pea-like, bright pink to deep magenta, borne directly on old wood and stems
- Fruit: Flat, brown seed pods (siliquae) that persist through winter
Care Guide
Watering
Keep soil evenly moist during active growth periods
Fertilization
Apply balanced slow-release fertilizer once at bud break. Avoid high-nitrogen fertilizers that promote leaf growth over flowering
Eggshell powder topdressing：Crush clean, dried eggshells to fine powder; sprinkle 1–2 tbsp around the tree base and work lightly into topsoil to avoid root disturbancePruning
- Remove dead, damaged, or crossing branches in late winter before new growth emerges
- Thin crowded inner branches to improve air circulation and light penetration
- Prune to maintain desired canopy shape immediately after flowering to avoid removing next year's flower buds
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Non-toxic to cats
Humans: No known toxic effects on humans
Garden Uses & Culture
Culture: Linked to the biblical Judas Iscariot in Christian tradition; also symbolizes renewal and spring rebirth in some contexts
Usage: Ornamental garden tree; dense, durable wood used for small craft projects and tool handles
