Neomarcia gracilis.
The Brazilian Walking Iris is an evergreen perennial native to Brazil, renowned for its unique propagation method. It forms clumps of long, sword-shaped, dark green leaves that arch gracefully. In late spring to summer, it produces exquisite, orchid-like flowers with three large white petals and three inner segments of bright blue. Each bloom lasts only a day, but the plant flowers successively over several weeks, providing a prolonged display.
The name “Walking Iris” comes from its distinctive reproduction habit. After flowering, new plantlets develop at the tips of the flower stems. As these plantlets grow, their weight causes the stems to bend down to the ground, where the plantlets take root and establish new plants, giving the appearance that the plant is “walking” across the garden.
This plant typically reaches a height of 60–90 cm and is well-suited for garden beds, borders, or containers. Its lush foliage and striking flowers add a tropical touch to any landscape.
Brazilian Walking Iris thrives in bright, indirect light but can also tolerate some shade. It is ideal for indoor environments such as homes and offices, as well as shaded outdoor areas. Avoid direct sunlight, which can scorch the leaves.
This plant prefers warm, humid conditions, similar to tropical environments. It grows best in temperatures between 18°C and 26°C. Keep it away from cold drafts and temperatures below 10°C.
Plant the Brazilian Walking Iris in well-draining soil. A mix of standard indoor potting soil with added perlite or sand ensures proper drainage while retaining necessary moisture.
Feed the plant with a balanced, water-soluble fertiliser every 4-6 weeks during the growing season (spring and summer). Reduce fertilising in the autumn and winter when the plant's growth slows down.
Keep the soil evenly moist, ensuring it doesn’t become waterlogged. Water when the top 2-3 cm of soil feels dry, reducing frequency during cooler months to prevent excessive moisture retention.
Remove any dead or yellowing leaves to promote healthy growth. Trim back flower stems after blooming to maintain a tidy appearance and encourage future flowering.
Inspect regularly for pests like spider mites, aphids, and mealybugs. Address infestations early using neem oil or insecticidal soap. Providing good airflow around the plant helps prevent fungal problems.
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