Arrowgrass Plant Care
Triglochin trichophora Nees ex Endl.
Updated · Sources · How we source care data
Triglochin trichophora is an annual herb native to Australia.
Full sun to part shade
At a glance
How do you care for Arrowgrass?
Arrowgrass grows best in full sun to part shade.
Where Is the Arrowgrass Native To?
What Is the Arrowgrass?
Arrowgrass (Triglochin trichophora) belongs to the Juncaginaceae family within the Triglochin genus. Arrowgrass is native to Australia.
Arrowgrass displays a clumping, aquatic perennial growth habit, reaching up to tall with a spread of approximately . Arrowgrass produces small greenish-white flowers in dense spikes.
What Light Does the Arrowgrass Need?
Arrowgrass thrives in full sun to part shade.
Light Requirement
Full sun to part shade
What Soil Mix Works Best for a Arrowgrass?
Moist, acidic soil with high organic content. Good drainage is essential for Arrowgrass to prevent waterlogging, which leads to root rot and fungal issues.
How Do You Repot a Arrowgrass?
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 Arrowgrass?
Arrowgrass can be propagated through seeds, division of rhizomes. Similar propagation techniques also apply to gaspé arrowgrass plant care, which shares the same genus.
Is the Arrowgrass Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Arrowgrass, 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 Arrowgrass?
Arrowgrass is susceptible to no common pests known. 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.
Keep exploring plants
Arrowgrass 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 Triglochin genus — compare its care with other Triglochin species on PlantoScan.
Triglochin is part of the Juncaginaceae plant family — browse all Juncaginaceae genera and species.
Arrowgrass thrives in bright light and direct sun — see other bright-light plants.
More Triglochin Species
Other Triglochin species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Triglochin trichophora Nees ex Endl., family Juncaginaceae (first published in Pl. Preiss. 2: 54 (1846)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Arrowgrass, 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.
- 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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