Strophanthus is a genus of flowering plants in the family Apocynaceae, first described as a genus in 1802. It is native primarily to tropical Africa, extending to South Africa... Learn exactly what Strophanthus needs to thrive, get reminders when it’s time to water, and join the growing community on the Greg App. Strophanthus preussii is an ornamental plant strongly valued by plant lovers for its extraordinary beautiful flowers with rust-colored throats.How to Care for the Plant. Water. Additional StrophanthusPlantCare. In perfect conditions, the plant will send out feelers of vertical growth, which may be trained to a stake or trellis. Strophanthus ( Strophanthus ). This tropical plant is grown for its purple, tubular flowers.PlantCare. Fertilizing. Strophanthus preussii is a climbing plant with unique streamers hanging from the stems, boasting white flowers. A few tips from this article on how to grow spider tresses will be useful as... Winter care: If you live in a region with cold winters, consider growing Strophanthus Gratus as a potted plant so you can bring it indoors during the colder months. Plant size: approx. 45cm (vary in sizes). Rootball size: 14cmØ x 12cmH. Pot type: The plant comes in a brown landscape pot (with drainage holes). CARE TIPS. Plant in rich well-drained soil. Moderate water required; do not over-water.With proper care and attention, Strophanthus gratus will be an attractive addition to garden. Strophanthus preussii , AKA Medusa flower or spider tresses, should perform from late spring through autumn in a location where it receives morning sun.