PlantFun
Plant Needs
Sunlight
Full sun to partial shade; tolerates intense sun in cool temperate or cold climates
Watering
Drought-tolerant once established; water deeply but infrequently, avoid waterlogged soil
Temperature
Extremely cold-hardy, tolerates temperatures as low as -40°C; withstands hot dry summers with minimal stress
Characteristics
- Leaf: Pinnately compound, small oval leaflets, bright green turning yellow in fall
- Flower: Fragrant bright yellow pea-like blooms, clustered in leaf axils
- Stem/Bark: Slender green stems maturing to gray-brown; some cultivars have small thorns
Care Guide
Watering
Water newly planted shrubs weekly; established plants need water only during prolonged drought
Fertilization
Apply balanced slow-release fertilizer once in early spring. Avoid over-fertilization to prevent excessive leaf growth at the expense of blooms
Eggshell powder topdress：Crush dried eggshells into fine powder; sprinkle lightly on soil surface once every 6 months to boost soil calcium levels without attracting pestsPruning
- Trim after flowering to maintain hedge shape and encourage dense new growth
- Remove dead or damaged branches in late winter before new growth emerges
- Thin overcrowded stems to improve airflow and light penetration
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Non-toxic to cats
Humans: Non-toxic to humans; seeds are edible when cooked
Garden Uses & Culture
Culture: N/A
Usage: Hedge plant, windbreak, wildlife food source (seeds for birds)
