Corkscrew rush (Juncus effusus ‘Spiralis’) is one of the most popular ornamental grasses, evergreen perennial house plant which forms a clump of dark corkscrew-like, spirally twisted, leafless stems. It grows up to 2-3 ft tall. Stems are usually solid, with the leaves typically reduced to bladeless basal sheathes. During winter, the stems become a yellow-brown or tan colour. Blossoms are both rare and insignificant in terms of the plants appearance. Blooms are yellowish-green to pale brown flowers bloom in one-sided clusters located on stem sides slightly below the stem tips. Fruit is an obovoid capsule. It is often found growing in the edge of a pond or water garden, in boggy areas, among wet pebbles or rocks or in low profound standing water.
Scientific Name: Juncus effusus ‘Spiralis’
Common Names: Corkscrew rush, Juncus spiralis.
How to grow and maintain Juncus effusus ‘Spiralis’ (Corkscrew rush):
It grows well in bright, indirect sunlight and Also, it can
tolerate full sun, but partial shade is ideal for this plant
when it is displayed indoors.
Corkscrew rush thrives best in wet soils that have poor drainage, acidic soil.
Water your plant regularly. Keep the soil wet at all times and
standing water is ideal. Because this is a marginal aquatic
It flourishes well in temperature 62 – 74 degrees fahrenheit during daytime. In night time, it prefers 59 – 64 degrees fahrenheit. It won’t tolerate frost.
Fertilize once a month during the growing season with a balanced liquid fertilizer diluted by half.
Pruning it back in early spring each year encourages fresh new compact growth.
Re-pot your corkscrew rush plant in spring. Re-pot the plant in 1 size larger container when it becomes crowded. corkscrew rush is fast-growing when it gets the sunlight and water it wants. You may need to divide it every spring.
It can be easily propagated by seed or by dividing the root ball. Divide the fleshy roots in spring and pot separately. Plants will also naturalize by self-seeding.
Pests and Diseases:
There is no serious pest or disease issues. Rust, leaf spot and stem rots may happen.