Lepidosperma viscidum Plant Care
Lepidosperma viscidum R.Br.
Updated · Sources · How we source care data
Lepidosperma viscidum, the sticky saw sedge, is a grass-like plant found in south eastern Australia. Usually seen in heath and woodland on sandy and rocky sites, it may grow to 60 centimetres high.
Every 7–14 days
Full sun to partial shade
50–80°F
40–70%
At a glance
How do you care for Lepidosperma viscidum?
Water Lepidosperma viscidum 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 40–70% humidity. Fertilize it every 6 months during the growing season.
Where Is the Lepidosperma viscidum Native To?
What Is the Lepidosperma viscidum?
Lepidosperma viscidum (Lepidosperma viscidum) belongs to the Cyperaceae family within the Lepidosperma genus. Lepidosperma viscidum is native to south eastern Australia.
Lepidosperma viscidum displays a grass-like clumping growth habit, reaching up to 1.5 ft tall with a spread of approximately 0.5 ft. Lepidosperma viscidum produces small inconspicuous flowers on slender stems.
Leaf size: approximately 12 inches.
How Often Should You Water a Lepidosperma viscidum?
Lepidosperma viscidum 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 Lepidosperma viscidum Need?
Lepidosperma viscidum thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Lepidosperma viscidum Prefer?
Lepidosperma viscidum grows best at temperatures of 50–80°F. Lepidosperma viscidum prefers humidity levels of 40–70%.
Temperature
50–80°F
Humidity
40–70%
What Soil Mix Works Best for a Lepidosperma viscidum?
Well-draining sandy soil mix with added organic matter. Good drainage is essential for Lepidosperma viscidum to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Lepidosperma viscidum?
Feed Lepidosperma viscidum 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 Lepidosperma viscidum?
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 Lepidosperma viscidum?
Lepidosperma viscidum can be propagated through division, seeds. Similar propagation techniques also apply to common saw-sedge plant care, which shares the same genus.
Is the Lepidosperma viscidum Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Lepidosperma viscidum, 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 Lepidosperma viscidum?
Lepidosperma viscidum 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 Lepidosperma viscidum Need?
Lepidosperma viscidum grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Lepidosperma viscidum is native to south eastern Australia. In cooler regions, grow Lepidosperma viscidum as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Lepidosperma viscidum 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 Lepidosperma genus — compare its care with other Lepidosperma species on PlantoScan.
Lepidosperma is part of the Cyperaceae plant family — browse all Cyperaceae genera and species.
Lepidosperma viscidum thrives in bright light and direct sun — see other bright-light plants.
More Lepidosperma Species
Other Lepidosperma species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Lepidosperma viscidum R.Br., family Cyperaceae (first published in Prodr. Fl. Nov. Holland. : 234 (1810)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Lepidosperma viscidum, 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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