Awl-leaf Lilaea
Triglochin scilloides
Last reviewed: August 2026

Toxicity unknown
Awl-leaf Lilaea (Triglochin scilloides) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.
Light
part sun
Water
high
Size
2"–12" H × 1"–6" W
Bloom
May, Jun, Jul
Native to
CA, MT, NV, OR and 1 more states
Before you buy
Your city may pay you to plant this
Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 445 programs across 44 states, each with a link to the provider and the date we last checked it.
Find rebates in your areaBrowse plants for this ecoregion
Triglochin scilloides is a small native wetland plant that forms low clumps of narrow, grass-like leaves. It produces tiny inconspicuous flowers on short spikes during late spring and summer. This species requires consistently moist to wet soil conditions and is best suited for bog gardens or water features.
In an HOA neighborhood
Awl-leaf Lilaea takes more care to keep looking intentional in a front yard. Maintenance level: high. Consider it for backyard or mid-zone beds rather than the street edge.
Works well in: backyard only.
- Requires specialized wet conditions that are difficult to maintain
- Very small and inconspicuous appearance may look sparse
- Uncommon plant that HOAs may not recognize as intentional landscaping
Wildlife value
This plant provides habitat for wetland insects and small creatures. The seeds may be eaten by waterfowl and other birds that frequent wet areas.
Common questions
- How much sun does Awl-leaf Lilaea need?
- Awl-leaf Lilaea grows best in part sun conditions.
- When does Awl-leaf Lilaea bloom?
- Awl-leaf Lilaea blooms in May, June, and July.
- Where is Awl-leaf Lilaea native?
- Awl-leaf Lilaea (Triglochin scilloides) is native to CA, MT, NV, OR and 1 more states, per the World Checklist of Vascular Plants (Kew).
- Is Awl-leaf Lilaea HOA-friendly?
- Awl-leaf Lilaea takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.
Native range data from the World Checklist of Vascular Plants (Kew). Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Ready to grow Awl-leaf Lilaea? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
Not sure where to start? Take the 2-minute yard quiz