Also known as Streaked Arrow Grass · Three-Rib Arrowgrass · Three-Ribbed Arrow-Grass
Safety note: This plant may be toxic to humans and pets. See toxicity details.
Three-ribbed Arrowgrass (Triglochin striata) is a small, emergent aquatic plant with grass-like leaves and inconspicuous flowers, often found in salt marshes and saline a
At-a-glance light, water, soil, and growing conditions from plant data
Full Sun to Part Shade
75% intensity
Prefers at least 6 hours of direct sunlight daily, but can tolerate partial shade.
Essential
100% intensity
Keep soil consistently moist to saturated. Mimic bog conditions.
Clay, Loam, Sandy, Silty
50% intensity
Moderate
50% intensity
Prefers average room temperatures. Protect from extreme heat and frost.
Low
25% intensity
Minimal fertilization needed; feed sparingly with diluted liquid fertilizer if growth is poor.
Safety information from plant toxicity data
| Attribute | Value |
|---|---|
| Toxic for humans | Yes 4/5 intensity |
| Toxic for pets | Yes 4/5 intensity |
| Edible | No |
Contains cyanogenic glycosides
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
Triglochin striata thrives in consistently moist to wet conditions. Water frequently to keep the soil saturated, especially during active growth. Avoid letting the soil dry out completely, as this can stress the plant.
In very wet environments like bogs, natural saturation is ideal.
Pruning is generally not required for Triglochin striata. Remove any dead or yellowing leaves as they appear to maintain aesthetic appeal and prevent potential disease.
This can be done with clean scissors or pruning shears at any time of year.
Propagation is primarily done through seed or division. Seeds can be sown in moist soil and kept in a cool, damp environment.
Mature plants can be carefully divided in spring or early summer, ensuring each division has adequate roots.
Repotting is infrequently needed. If the plant becomes root-bound or outgrows its container, repot it into a slightly larger pot with well-draining, bog-like soil. This is best done in spring before active growth begins.
Ensure good drainage holes.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Photos of Three-Ribbed Arrowgrass (Triglochin striata)
Where Three-Ribbed Arrowgrass (Triglochin striata) is found
Density
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Common names and botanical synonyms
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Liliopsida |
| Order | Alismatales |
| Family | Juncaginaceae |
| Genus | Triglochin |
| Species | Triglochin striata |
Similar in genus Triglochin
Answers based on plant encyclopedia data
