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Ridge-seed Spurge

Euphorbia glyptosperma

Last reviewed: August 2026

Ridge-seed Spurge (Euphorbia glyptosperma)
Photo: (c) Asher P Higgins, some rights reserved (CC BY), uploaded by Asher P Higgins

Light

full sun

Water

low

Size

6"–12" H × 4"–8" W

Bloom

Jun, Jul, Aug, Sep

Native to

AZ, CA, CO, CT and 28 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 432 programs across 44 states, each with a link to the provider and the date we last checked it.

Find rebates in your area

Browse plants for this ecoregion

Sierra NevadaNorthwestern Forested MountainsNorth American DesertsCentral Basin and RangeMojave Basin and RangeSouthern RockiesArizona/New Mexico MountainsChihuahuan DesertsHigh PlainsSouthwestern TablelandsCentral Great PlainsGreat PlainsCross TimbersEdwards PlateauSouthern Texas PlainsTexas Blackland PrairiesEast Central Texas PlainsWestern Gulf Coastal PlainCentral Irregular PlainsNorthwestern Glaciated PlainsNorthwestern Great PlainsNorthern Glaciated PlainsWestern Corn Belt PlainsNorthern ForestsNorthern Lakes and ForestsNorth Central Hardwood ForestsDriftless AreaSoutheastern Wisconsin Till PlainsCentral Corn Belt PlainsSouthern Michigan/Northern Indiana Drift PlainsInterior River Valleys and HillsSonoran Basin and Range

Ridge-seed spurge is a low-growing annual wildflower that forms small mats of fine-textured foliage. It produces tiny flowers from June through September and thrives in sunny, dry conditions with minimal care.

In an HOA neighborhood

Ridge-seed Spurge 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 small stature may appear weedy to neighbors
  • Annual growth habit creates inconsistent appearance
  • Low profile doesn't provide typical landscape presence

Wildlife value

This native plant attracts bees and beetles during its long blooming period from summer into fall.

Common questions

How much sun does Ridge-seed Spurge need?
Ridge-seed Spurge grows best in full sun conditions.
When does Ridge-seed Spurge bloom?
Ridge-seed Spurge blooms in June, July, August, and September.
Where is Ridge-seed Spurge native?
Ridge-seed Spurge (Euphorbia glyptosperma) is native to AZ, CA, CO, CT and 28 more states, per the World Checklist of Vascular Plants (Kew).
What pollinators does Ridge-seed Spurge attract?
Ridge-seed Spurge draws bees and beetles.
Is Ridge-seed Spurge HOA-friendly?
Ridge-seed Spurge 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 Ridge-seed Spurge? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

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