Grooved Flax
Linum sulcatum
Last reviewed: August 2026
Toxicity unknown
Grooved Flax (Linum sulcatum) 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
full sun
Water
low
Size
8"–24" H × 4"–12" W
Bloom
Jun, Jul, Aug
Native to
AL, AR, CT, FL and 30 more states
Pollinators
bees, beetles
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
Grooved flax is a compact annual wildflower that produces delicate blue flowers throughout the summer months. This low-water native grows in neat clumps and maintains a tidy appearance in sunny garden beds.
In an HOA neighborhood
Grooved Flax takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.
Works well in: backyard only.
- Annual nature means it dies back completely each year
- Can appear sparse or weedy compared to traditional landscaping
- Small size may look unkempt in formal front yard settings
Wildlife value
The flowers attract native bees and beetles during its long blooming period from June through August.
Common questions
- How much sun does Grooved Flax need?
- Grooved Flax grows best in full sun conditions.
- When does Grooved Flax bloom?
- Grooved Flax blooms in June, July, and August.
- Where is Grooved Flax native?
- Grooved Flax (Linum sulcatum) is native to AL, AR, CT, FL and 30 more states, per the World Checklist of Vascular Plants (Kew).
- What pollinators does Grooved Flax attract?
- Grooved Flax draws bees and beetles.
- Is Grooved Flax HOA-friendly?
- Grooved Flax 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 Grooved Flax? 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