Water Club-rush Plant Care
Schoenoplectus subterminalis (Torr.) Soják
Updated · Sources · How we source care data
Schoenoplectus subterminalis is a species of flowering plant in the sedge family known by the common names water bulrush, water club-rush, and swaying bulrush. It is native to North America, where it is known from many parts of Canada and the United States.
Every 3–7 days
Full sun to part shade
50–85°F
40–70%
At a glance
How do you care for Water Club-rush?
Water Water Club-rush every 3–7 days, letting the top layer of soil dry out between waterings, and give it full sun to part shade. It prefers temperatures of 50–85°F (10–29°C) and 40–70% humidity. Fertilize it every 6 months during the growing season.
Where Is the Water Club-rush Native To?
What Is the Water Club-rush?
Water Club-rush (Schoenoplectus subterminalis) belongs to the Cyperaceae family within the Schoenoplectus genus. Water Club-rush is native to North America. Water Club-rush is also known as Water Bulrush.
Water Club-rush displays an upright, clumping perennial growth habit, reaching up to 3 ft tall with a spread of approximately 2 ft. Water Club-rush produces inconspicuous brown or green flowers in terminal spikes.
Leaf size: approximately 12 inches.
How Often Should You Water a Water Club-rush?
Schoenoplectus subterminalis requires watering every 3–7 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 3–7 days
Let soil partially dry between waterings
What Light Does the Water Club-rush Need?
Water Club-rush thrives in full sun to part shade.
Light Requirement
Full sun to part shade
What Temperature and Humidity Does the Water Club-rush Prefer?
Schoenoplectus subterminalis grows best at temperatures of 50–85°F. Water Club-rush prefers humidity levels of 40–70%.
Temperature
50–85°F
Humidity
40–70%
What Soil Mix Works Best for a Water Club-rush?
Moist, fertile soil with good drainage. Good drainage is essential for Water Club-rush to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Water Club-rush?
Feed Water 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 Water Club-rush?
Divide and repot every 2-3 years in 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 Water Club-rush?
Water Club-rush can be propagated through division, seeds. Similar propagation techniques also apply to tule plant care, which shares the same genus.
Is the Water Club-rush Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Water 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 Water Club-rush?
Water 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 Water Club-rush Need?
Water Club-rush grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Water Club-rush is native to North America. In cooler regions, grow Water Club-rush as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Water 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 Schoenoplectus genus — compare its care with other Schoenoplectus species on PlantoScan.
Schoenoplectus is part of the Cyperaceae plant family — browse all Cyperaceae genera and species.
Water Club-rush thrives in bright light and direct sun — see other bright-light plants.
More Schoenoplectus Species
Other Schoenoplectus species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Schoenoplectus subterminalis (Torr.) Soják, family Cyperaceae (first published in Cas. Nár. Mus., Odd. Prír. 140: 127 (1972)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Water 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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