About
Juncus filiformis, the thread rush, is a slender, thread-like rush forming loose tufts of very fine, wiry stems to 30 cm with tiny, pale-brown flower clusters. A delicate and ornamental rush for a moist, shaded bog garden or naturalised planting.
About the genus
Juncus, the rushes, are annuals and evergreen or deciduous perennials forming clumps or tussocks of narrow, cylindrical or flattened, often grass-like leaves and bearing clusters of small, brown flowers borne on leaf-like stems in summer. Grown in moist borders, bog gardens and pond margins.
Plant details
Suggested usesBedding, containers, hanging baskets.
Care notes
CultivationPlant out after last frost in fertile, well-drained soil.
PruningDeadhead regularly to prolong flowering.
PropagationGrow from seed sown in spring.
Pest resistanceGenerally pest-free. Monitor for common garden pests.
Disease resistanceGenerally disease-resistant. Ensure good air circulation.