Photo: Henry de LangeCC BY 4.0via iNaturalistresized / cropped
Stripe-leaved Arrowhead Plant Care
Triglochin striata Ruiz & Pav.
Updated · Sources · How we source care data
Triglochin striata is easily recognized by its long, narrow, grass-like leaves that grow in dense clumps. Originally from Australia and New Zealand, this plant is highly sought after by collectors for its unique appearance and ability to thrive in wetland and boggy conditions.
Every 3–5 days
Full sun to part shade
50–80°F
60–80%
At a glance
How do you care for Stripe-leaved Arrowhead?
Water Stripe-leaved Arrowhead every 3–5 days, letting the top layer of soil dry out between waterings, and give it full sun to part shade. It prefers temperatures of 50–80°F (10–27°C) and 60–80% humidity. Fertilize it every month during the growing season.
Where Is the Stripe-leaved Arrowhead Native To?
- Algeria
- Angola
- Argentina
- Australia
- Benin
- Bolivia
- Botswana
- Brazil
- Burkina Faso
- Burundi
- Cameroon
- Cape Verde
- Central African Republic
- Chad
- Chile
- Colombia
- Côte d'Ivoire
- Djibouti
- DR Congo
- Ecuador
- Egypt
- Equatorial Guinea
- Eritrea
- Eswatini
- Ethiopia
- French Guiana
- Gabon
- Ghana
- Guinea
- Guinea-Bissau
- Guyana
- Kenya
- Lesotho
- Liberia
- Libya
- Madagascar
- Malawi
- Mali
- Mauritania
- Morocco
- Mozambique
- Namibia
- New Zealand
- Niger
- Nigeria
- Paraguay
- Peru
- Portugal
- Republic of the Congo
- Rwanda
- Sao Tome and Principe
- Senegal
- Sierra Leone
- Somalia
- South Africa
- South Sudan
- Sudan
- Suriname
- Tanzania
- The Gambia
- Togo
- Tunisia
- Uganda
- Uruguay
- Venezuela
- Zambia
- Zimbabwe
What Is the Stripe-leaved Arrowhead?
Stripe-leaved Arrowhead (Triglochin striata) belongs to the Juncaginaceae family within the Triglochin genus. Stripe-leaved Arrowhead is native to New Zealand, South America, America, Africa, Australia and Southern Portugal. Stripe-leaved Arrowhead is also known as Arrowhead.
Stripe-leaved Arrowhead displays a clumping, aquatic perennial growth habit, reaching up to 2 ft tall with a spread of approximately 1 ft. Stripe-leaved Arrowhead produces small greenish-white flowers in dense spikes.
Leaf size: approximately 12 inches.
How Often Should You Water a Stripe-leaved Arrowhead?
Triglochin striata 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 Stripe-leaved Arrowhead Need?
Stripe-leaved Arrowhead thrives in full sun to part shade.
Light Requirement
Full sun to part shade
What Temperature and Humidity Does the Stripe-leaved Arrowhead Prefer?
Triglochin striata grows best at temperatures of 50–80°F. Stripe-leaved Arrowhead prefers humidity levels of 60–80%. A pebble tray or humidifier helps maintain adequate moisture around the plant.
Temperature
50–80°F
Humidity
60–80%
What Soil Mix Works Best for a Stripe-leaved Arrowhead?
Moist, acidic soil with high organic content. Good drainage is essential for Stripe-leaved Arrowhead to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Stripe-leaved Arrowhead?
Feed Stripe-leaved Arrowhead every month 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 month
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
How Do You Repot a Stripe-leaved Arrowhead?
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 Stripe-leaved Arrowhead?
Stripe-leaved Arrowhead can be propagated through seeds, division of rhizomes.
Is the Stripe-leaved Arrowhead Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Stripe-leaved Arrowhead, 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 Stripe-leaved Arrowhead?
Stripe-leaved Arrowhead 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.
What USDA Hardiness Zone Does the Stripe-leaved Arrowhead Need?
Stripe-leaved Arrowhead grows outdoors in USDA Zone 8a – 11b. It survives winters down to planting zone 8a. Stripe-leaved Arrowhead is native to New Zealand, South America, America, Africa, Australia and Southern Portugal.
Hardiness Zone
Zone 8a – 11b
Keep exploring plants
Stripe-leaved Arrowhead 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 (family Juncaginaceae) — search all Triglochin species in the plant lookup.
Stripe-leaved Arrowhead 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: Triglochin striata Ruiz & Pav., family Juncaginaceae (first published in Fl. Peruv. 3: 72 (1802)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Stripe-leaved Arrowhead, 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.
- Photo: Henry de Lange, CC BY 4.0, iNaturalist — original.
- Hardiness zone: USDA Zone 8a – 11b, estimated from the plant's typical growing conditions.
- 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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