Knotted Club-rush Plant Care
Ficinia nodosa (Rottb.) Goetgh., Muasya & D.A.Simpson
Updated · Sources · How we source care data
Ficinia nodosa, the knotted club-rush or knobby club-rush, is a rhizomatous perennial in the family Cyperaceae, native to South Africa, Australia, and New Zealand. Widespread in the Southern Hemisphere, Ficinia nodosa grows to between 15 and 220 cm in height.
Every 7–14 days
Full sun to partial shade
50–80°F
40–60%
At a glance
How do you care for Knotted Club-rush?
Water Knotted Club-rush every 7–14 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 50–80°F (10–27°C) and 40–60% humidity. Fertilize it every 6 months during the growing season.
Where Is the Knotted Club-rush Native To?
What Is the Knotted Club-rush?
Knotted Club-rush (Ficinia nodosa) belongs to the Cyperaceae family within the Ficinia genus. Knotted Club-rush is native to South Africa, Australia, and New Zealand. Knotted Club-rush is also known as Nodding Club-rush.
Knotted Club-rush displays a low rosette, clumping growth habit, reaching up to 0.5 ft tall with a spread of approximately 0.5 ft. Knotted Club-rush produces small inconspicuous flowers.
Leaf size: approximately 6 inches.
How Often Should You Water a Knotted Club-rush?
Ficinia nodosa requires watering every 7–14 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.
Watering Frequency
Every 7–14 days
Let soil partially dry between waterings
What Light Does the Knotted Club-rush Need?
Knotted Club-rush thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Knotted Club-rush Prefer?
Ficinia nodosa grows best at temperatures of 50–80°F. Knotted Club-rush prefers humidity levels of 40–60%.
Temperature
50–80°F
Humidity
40–60%
What Soil Mix Works Best for a Knotted Club-rush?
Sandy, well-draining soil mix with some organic matter. Good drainage is essential for Knotted Club-rush to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Knotted Club-rush?
Feed Knotted Club-rush every 6 months during the growing season (spring and summer) with a balanced fertilizer diluted to the strength on the label.
Pause feeding in autumn and winter, when growth slows, and never fertilize dry soil — water first.
Fertilizing
Every 6 months
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
How Do You Repot a Knotted Club-rush?
Repot every 2-3 years in early spring. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.
How Do You Propagate a Knotted Club-rush?
Knotted Club-rush can be propagated through division, seeds. Similar propagation techniques also apply to spiral rush plant care, which shares the same genus.
Is the Knotted Club-rush Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Knotted Club-rush, so we can't confirm whether it is safe for cats and dogs. Keep pets from chewing it as a precaution.
This is a general caution, not veterinary or medical advice. If your pet ate a plant, contact your vet or animal poison control.
See all plants toxic to cats and plants toxic to dogs.
What Pests and Diseases Affect the Knotted Club-rush?
Knotted Club-rush is susceptible to aphids, spider mites. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.
Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.
What USDA Hardiness Zone Does the Knotted Club-rush Need?
Knotted Club-rush grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Knotted Club-rush is native to South Africa, Australia, and New Zealand. In cooler regions, grow Knotted Club-rush as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Knotted Club-rush is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.
It belongs to the Ficinia genus — compare its care with other Ficinia species on PlantoScan.
Ficinia is part of the Cyperaceae plant family — browse all Cyperaceae genera and species.
Knotted Club-rush thrives in bright light and direct sun — see other bright-light plants.
Related Plant Care Guides
Closely related plants with similar care requirements:
Sources
- Scientific name & taxonomy: Ficinia nodosa (Rottb.) Goetgh., Muasya & D.A.Simpson, family Cyperaceae (first published in Novon 10: 133 (2000)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Knotted Club-rush, so we can't confirm whether it is safe for cats and dogs. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
- Hardiness zone: USDA Zone 12a, calculated from the plant's minimum temperature.
- Care values(watering, light, temperature, humidity, soil, fertilizing): PlantoScan's plant database, filtered by automatic plausibility checks — values that fail them are hidden. How we source and check plant data.
Spotted a mistake? Email info@upvision.media with the page link — we check and correct reported errors.
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