Caper Spurge
Euphorbia lathyris
Found in roadsides, disturbed areas. FloraQuest, phone app (app page) What its natural habitat tells you
Not native to Virginia. How scores work Is it native here?
Profile 71%
- Light
- Full sun, Partial shade
- Soil moisture
- Dry to moist

At a glance
- Life cycle
- Annual or biennial
- Bloom
- May to August
Not yet recorded · Height · Spread · Leaves
This plant is missing most of its facts, so Quercus is looking them up in old botany books.
Recorded in 25 Virginia counties.
Natural habitats
Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.
Roadsides, fields and disturbed ground
Ground opened by people: roadsides, old fields, pastures, fencerows and lots.
Who uses this plant?
8CaterpillarsGenus host records with ranges including VA
Genus host records with ranges including VA · Euphorbia
- Automeris ioIo Moth
- Episimus argutanaSumac Leaftier
- Eudryas unioPearly Wood-Nymph
- Eutrapela clematariaCurved-Tooth Geometer, Purplish Brown Looper
- Hypercompe scriboniaGiant Leopard Moth, Great Leopard Moth
- Lobocleta plemyrariaStraight-Lined Wave
- Pygarctia abdominalisYellow-Edged Pygarctia
- Sparganothis sulfureanaSparganothis Fruitworm Moth, Sulfur Leafroller, False Yellow-Head
14BirdsRecorded genus food-resource interactions; not a state feeding claim
Recorded genus food-resource interactions; not a state feeding claim · Euphorbia
- Anthus rubescensAmerican Pipit
- Anthus spragueiiSprague's Pipit
- Calcarius pictusSmith's Longspur
- Callipepla gambeliiGambel's Quail
- Cardinalis cardinalisNorthern Cardinal
- Columbina passerinaCommon Ground Dove
- Corvus brachyrhynchosAmerican Crow
- Cyrtonyx montezumaeMontezuma Quail
- Meleagris gallopavoWild Turkey
- Pooecetes gramineusVesper Sparrow
Show all 14
- Spizella breweriBrewer's Sparrow
- Spizella pusillaField Sparrow
- Tympanuchus pallidicinctusLesser Prairie-Chicken
- Zenaida macrouraMourning Dove
Direct food only: birds recorded eating this genus across North America. Caterpillars on host plants also feed nesting birds. NC Native Plant Society: butterfly gardening
Plant details
- Family
- Euphorbiaceae
- Hardiness
- Zones 1a–11b
- Soil pH
- Neutral to alkaline
- Flower color
- Yellow or green
Safety has not been reviewed for this plant; check toxicity and thorns before planting.
Growing sources and scope
- Bloom · “May to August” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
- Flower color · “Yellow or green” · NC Extension Plant Toolbox
- Hardiness · “Zones 1a–11b” · NC Extension Plant Toolbox
- Life cycle · “Annual or biennial” · NC Extension Plant Toolbox
- Light · “Full sun (6 or more hours of direct sunlight a day); Partial shade (direct sunlight only part of the day, 2-6 hours)” · NC Extension Plant Toolbox
- Soil · “Dry; Moist (documented habitat)” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
- Soil pH · “Neutral to alkaline” · NC Extension Plant Toolbox
Also known as
Mole Plant; Myrtle Spurge
Conservation status
| Virginia rank | SNA |
|---|---|
| Global rank | GNR |
| VA status | Not verified |
| Federal status | Not verified |
Native alternatives
Find natives for your gardenSources
- Digital Atlas of the Virginia Flora
- USDA PLANTS
- FloraQuest: Carolinas, Georgia (Weakley), phone app (app page)
- FloraQuest: Northern Tier (Weakley), phone app (app page)
- NatureServe Explorer
- Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
- Noori, Seltmann & Orr 2026, A curated and integrated dataset for exploring global bee-plant interactions (GloBI), Zenodo, CC BY 4.0
- Smith, Bachelder, Russell, Morales, Mosher & Seltmann 2024, Bee-Specialization-Modeling v0.6.1 (specialist host table compiled from J. Fowler's pollen specialist bee lists), Zenodo, CC BY 4.0
- Hurlbert, Olsen, Sawyer & Winner 2021, Avian Diet Database, Scientific Data 8: 260 (CC0)
- Narango, Tallamy & Shropshire 2020, Few keystone plant genera support the majority of Lepidoptera species, Nature Communications

