Floating Swamp Wallaby Grass Plant Care
Amphibromus fluitans Kirk
Updated · Sources · How we source care data
Amphibromus fluitans, water brome, river swamp wallaby-grass, or floating swamp wallaby-grass (Australian) is a species of true grass in the tribe Poeae.
Every 3–5 days
Full sun to partial shade
50–80°F
40–70%
At a glance
How do you care for Floating Swamp Wallaby Grass?
Water Floating Swamp Wallaby Grass every 3–5 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.
What Is the Floating Swamp Wallaby Grass?
Floating Swamp Wallaby Grass (Amphibromus fluitans) belongs to the Poaceae family within the Amphibromus genus.
Floating Swamp Wallaby Grass displays a grass-like perennial growth habit, reaching up to 2 ft tall with a spread of approximately 1 ft. Floating Swamp Wallaby Grass produces small, inconspicuous flowers on tall spikes.
Leaf size: approximately 12 inches.
How Often Should You Water a Floating Swamp Wallaby Grass?
Amphibromus fluitans requires watering every 3–5 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 3–5 days
Let soil partially dry between waterings
What Light Does the Floating Swamp Wallaby Grass Need?
Floating Swamp Wallaby Grass thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Floating Swamp Wallaby Grass Prefer?
Amphibromus fluitans grows best at temperatures of 50–80°F. Floating Swamp Wallaby Grass prefers humidity levels of 40–70%.
Temperature
50–80°F
Humidity
40–70%
What Soil Mix Works Best for a Floating Swamp Wallaby Grass?
Moist, well-draining soil with high organic content. Good drainage is essential for Floating Swamp Wallaby Grass to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Floating Swamp Wallaby Grass?
Feed Floating Swamp Wallaby Grass 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 Floating Swamp Wallaby Grass?
Divide and 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 Floating Swamp Wallaby Grass?
Floating Swamp Wallaby Grass can be propagated through division, seeds. Similar propagation techniques also apply to white's swamp wallaby grass plant care, which shares the same genus.
Is the Floating Swamp Wallaby Grass Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Floating Swamp Wallaby Grass, 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 Floating Swamp Wallaby Grass?
Floating Swamp Wallaby Grass is susceptible to aphids, grasshoppers, cutworms. 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 Floating Swamp Wallaby Grass Need?
Floating Swamp Wallaby Grass grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. In cooler regions, grow Floating Swamp Wallaby Grass as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Floating Swamp Wallaby Grass 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 Amphibromus genus — compare its care with other Amphibromus species on PlantoScan.
Amphibromus is part of the Poaceae plant family — browse all Poaceae genera and species.
Floating Swamp Wallaby Grass 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: Amphibromus fluitans Kirk, family Poaceae (first published in Trans. & Proc. New Zealand Inst. 16: 374 (1884)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Floating Swamp Wallaby Grass, 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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