Least Trillium
Trillium pusillum
Native to Arkansas. How scores work Is it native here?
Profile 82%
- Height
- 3 inches–1 foot
- Spread
- 6–20 inches
- Light
- Deep shade, Partial shade
- Soil moisture
- Usually moist
Space about 1 ft apart from its recorded spread, about 100 per 100 sq ft. Enter your bed size for a count
Will it fit your yard?No photograph yet. Looking for an old drawing…
At a glance
- Life cycle
- Perennial
Not yet recorded · Leaves · Bloom
Bloom: NC species account not read yet.
Leaves: no source found yet.
This plant is missing most of its facts, so Quercus is looking them up in old botany books.
Recorded in 4 Arkansas counties.
Also found with this plant
Wildlife whose habitat models include habitats this plant grows in, in Arkansas. Shared habitat, not food. 51 animals.
Widespread birds also seen here (76)
Found in many habitats here, so not listed above.
- Alder Flycatcher
- American Goldfinch
- American Kestrel
- American Redstart
- American Robin
- Bald Eagle
- Baltimore Oriole
- Bank Swallow
- Belted Kingfisher
- Bewick's Wren
- Black-and-White Warbler
- Black-crowned Night-heron
- Blue Grosbeak
- Blue Jay
- Blue-gray Gnatcatcher
- Brown Creeper
- Brown Thrasher
- Canada Goose
- Carolina Chickadee
- Cedar Waxwing
- Chimney Swift
- Chipping Sparrow
- Cliff Swallow
- Common Nighthawk
- Common Yellowthroat
- Cooper's Hawk
- Double-crested Cormorant
- Downy Woodpecker
- Eastern Kingbird
- Eastern Screech-owl
- Eastern Wood-pewee
- Eurasian Collared-dove
- European Starling
- Golden-crowned Kinglet
- Gray Catbird
- Great Horned Owl
- Hairy Woodpecker
- Harris's Sparrow
- Hermit Thrush
- Hooded Merganser
- Indigo Bunting
- Lincoln's Sparrow
- Mallard
- Mississippi Kite
- Mourning Dove
- Northern Cardinal
- Northern Flicker
- Northern Mockingbird
- Orange-crowned Warbler
- Orchard Oriole
- Osprey
- Pileated Woodpecker
- Pine Siskin
- Purple Finch
- Red-bellied Woodpecker
- Red-headed Woodpecker
- Red-tailed Hawk
- Red-winged Blackbird
- Ruby-crowned Kinglet
- Ruby-throated Hummingbird
- Rusty Blackbird
- Sharp-shinned Hawk
- Song Sparrow
- Spotted Sandpiper
- Tree Swallow
- Tufted Titmouse
- Turkey Vulture
- White-breasted Nuthatch
- White-throated Sparrow
- Wild Turkey
- Wood Thrush
- Yellow-bellied Sapsucker
- Yellow-billed Cuckoo
- Yellow-breasted Chat
- Yellow-crowned Night-heron
- Yellow-rumped Warbler
Who uses this plant?
2CaterpillarsGenus host records with ranges including AR
Genus host records with ranges including AR · Trillium
- Clepsis melaleucanusBlack-Patched Clepsis, Trillium Tortrix
- Euplexia benesimilisAmerican Angle Shades
1BeesSoutheastern regional records
Southeastern regional records · Trillium
Individual names are not available yet.
Noori, Seltmann & Orr 2026, A curated and integrated dataset for exploring global bee-plant interactions (GloBI), Zenodo, CC BY 4.0
0Specialist beesPollen specialists
—BirdsRecorded genus food-resource interactions; not a state feeding claimNo records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects
Plant details
- Family
- Trilliaceae
- Hardiness
- Zones 4a–9b
- Soil pH
- Acidic
- Flower color
- Pink, purple or white
What its natural habitat tells you
Safety has not been reviewed for this plant; check toxicity and thorns before planting.
Growing sources and scope
- Flower color · “Pink, purple or white” · NC Extension Plant Toolbox (ranked first; Lady Bird Johnson Wildflower Center differs)
- Hardiness · “Zones 4a–9b” · NC Extension Plant Toolbox
- Height · “3 inches–1 foot” · NC Extension Plant Toolbox
- Life cycle · “Perennial” · NC Extension Plant Toolbox
- Light · “Deep shade (less than 2 hours to no direct sunlight); Partial shade (direct sunlight only part of the day, 2-6 hours)” · NC Extension Plant Toolbox
- Soil · “Moist” · NC Extension Plant Toolbox
- Soil pH · “Acidic” · NC Extension Plant Toolbox
- Spread · “6–20 inches” · NC Extension Plant Toolbox
Also known as
Dwarf Trillium
Conservation status
| Arkansas rank | S3 |
|---|---|
| Global rank | G4 |
| AR status | Not verified |
| Federal status | Not verified |
Will it fit your yard?
Check this plant against your county, sun and soil moisture. Conditions are checked in your browser.
Sources
- NatureServe Explorer
- USDA PLANTS
- Vascular Plants of North Carolina (NC Natural Heritage Program)
- Weakley, Flora of the Southeastern United States (2025)
- Arkansas occurrence source
- 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