Seaside Sandmat
Euphorbia polygonifolia
Last reviewed: August 2026

Toxicity unknown
Seaside Sandmat (Euphorbia polygonifolia) 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
4"–12" H × 8"–24" W
Bloom
Jul, Aug, Sep, Oct
Native to
CT, DE, FL, GA and 16 more states
Pollinators
beetles, flies
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
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 vouchered herbarium specimen records 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 vouchered herbarium specimen records 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.
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