Crotalaria retusa, commonly known as rattleweed or rattlebox, is an annual plant in the Fabaceae family. It is native to seasonally dry tropical climates and is known for its bright yellow flowers and distinctive seed pods that rattle when shaken. The plant is often found in disturbed areas and can grow up to 1 meter in height.
Crotalaria retusa thrives in bright, direct sunlight and prefers warm temperatures. It should be watered sparingly, allowing the soil to dry out almost completely between waterings. The plant does well in moderate humidity and does not require a dormancy period.
土壌
This plant prefers well-draining loamy soil. It can tolerate poor soil conditions but thrives best in moderately nutrient-rich soil. Ensure the soil dries out between waterings to prevent root rot.
肥料
Use a balanced fertilizer with a nutrient composition of 5-10-10. Fertilize sparingly, as the plant does not require heavy feeding. Apply fertilizer once a month during the growing season.
植え替え
Repotting is generally not necessary for this annual plant. However, if grown in a container, ensure it has adequate space for root growth. Repot only if the plant outgrows its container.
伝搬
Crotalaria retusa can be propagated by seeds. Sow seeds in well-draining soil and keep them in a warm, sunny location. Germination typically occurs within a few weeks.
剪定
Pruning is not required for Crotalaria retusa. However, you can trim back any dead or damaged stems to maintain the plant's appearance.
毒性
Crotalaria retusa is toxic to both pets and humans. All parts of the plant contain toxic alkaloids that can cause liver damage if ingested. Handle with care and keep away from children and animals.