The Senecio herreianus plant, commonly known as String of Tears, is a captivating succulent. It features delicate, trailing vines adorned with tear-drop shaped leaves. Its cascading habit makes it a popular choice for hanging baskets or elevated shelves. Originating from arid South Africa, String of Tears is valued for its aesthetic appeal and straightforward care.
Caring for String of Tears
Light Needs
String of Tears thrives in bright, indirect light. It benefits from several hours of filtered sunlight daily. An east-facing window is often ideal, providing gentle morning sun, while a few feet from a south or west-facing window works. Shield the plant from intense, direct afternoon sun, as prolonged exposure can lead to leaf scorching. If natural light is limited, a grow light can supplement its needs, ensuring adequate illumination and preventing leggy growth.
Watering Practices
Proper watering is important for String of Tears, as it’s susceptible to root rot if overwatered; its plump leaves store water, allowing it to endure dry periods. Use a “soak and dry” method: allow the soil to dry completely between waterings. Assess soil moisture by inserting a finger two to three inches deep; if dry, water thoroughly until it drains from the pot’s bottom. Shriveled leaves indicate underwatering, while mushy, yellowing leaves and stems signal overwatering. During cooler months, the plant enters dormancy and requires less water.
Soil and Potting
Well-draining soil is important to prevent waterlogging and root rot. A commercial succulent or cactus potting mix is recommended, as they are formulated for drainage. Alternatively, create your own mix by combining regular potting soil with amendments like perlite, coarse sand, or pumice. Always use pots with drainage holes for drainage. String of Tears prefers to be slightly root-bound and does not require frequent repotting, only when severely root-bound.
Temperature and Humidity
String of Tears prefers average room temperatures, 65°F to 80°F (18°C to 27°C). It is sensitive to cold temperatures and not frost-tolerant; protect it from temperatures below 40°F (4°C) to avoid damage. Bring the plant indoors in cooler winters. This succulent does not require high humidity and is content with average household levels. Good air circulation around the plant prevents moisture buildup.
Fertilizing
String of Tears requires infrequent fertilization. During its active growing season in spring and summer, apply a balanced liquid fertilizer. Dilute the fertilizer to half the recommended strength to prevent over-fertilization and harm. Reduce or stop fertilization during fall and winter when the plant enters dormancy. Applying fertilizer every four to six weeks during the growing period is sufficient for healthy growth.
Propagating String of Tears
Propagating String of Tears is straightforward using stem cuttings. Take a healthy vine cutting, four to six inches long, removing leaves from the bottom inch or two to expose the stem. Allow the cut end to “callus” or dry briefly to prevent rot. Once callused, root cuttings in either soil (in a well-draining succulent mix) or water (submerging the bare stem). Provide bright, indirect light for both methods, and new roots should form within a few weeks.
Troubleshooting Common Issues
String of Tears, while low-maintenance, can show signs of distress indicating needed care adjustments. Shriveled leaves often point to underwatering, requiring watering; yellowing or mushy leaves signal overwatering and potential root rot. Allow the soil to dry completely and check roots for softness. Leggy growth, with elongated stems and sparse leaves, signifies insufficient light; move the plant to a brighter location or use a grow light. Pests like mealybugs, aphids, or spider mites appear as white masses, tiny insects, or fine webbing; regular inspection and prompt treatment with insecticidal soap or neem oil manage infestations effectively.
Safety Considerations
Senecio herreianus, or String of Tears, is toxic if ingested. Ingestion can cause gastrointestinal upset like vomiting or diarrhea. Sap contact can also lead to skin irritation or a rash. Place plants out of reach of children and pets. Seek immediate medical or veterinary attention if ingested or exposed.