Seaside Sandmat
Euphorbia polygonifolia
Last reviewed: June 2026
Light
full sun
Water
low
Size
4"–12" H × 8"–24" W
Bloom
Jul, Aug, Sep, Oct
Native to
CT, DE, FL, GA and 16 more states
Pollinators
beetles, flies
Seaside sandmat is a low-growing annual succulent that forms spreading mats of small, fleshy leaves. This coastal native thrives in sandy, well-drained soils and produces tiny flowers from summer through fall. It naturally dies back each winter and may reseed itself in favorable conditions.
In an HOA neighborhood
Seaside Sandmat 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.
- Very informal groundcover appearance
- Annual that dies completely each winter
- May look sparse or patchy in less ideal conditions
Wildlife value
The small flowers attract beetles and flies during the long blooming period from July through October.
Common questions
- How much sun does Seaside Sandmat need?
- Seaside Sandmat grows best in full sun conditions.
- When does Seaside Sandmat bloom?
- Seaside Sandmat blooms in July, August, September, and October.
- Where is Seaside Sandmat native?
- Seaside Sandmat (Euphorbia polygonifolia) is native to CT, DE, FL, GA and 16 more states, per the USDA PLANTS Database and regional native plant society lists.
- What pollinators does Seaside Sandmat attract?
- Seaside Sandmat draws beetles and flies.
- Is Seaside Sandmat HOA-friendly?
- Seaside Sandmat 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 USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Ready to grow Seaside Sandmat? 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