• Photo of Trillium sulcatum (Trillium sulcatums)

Plant Profile: Trillium sulcatum

Taxonomy: Trillium sulcatum

Names

Barksdale's Trilliam, Furrowed Wake-robin, Southern Red Trillium

  • Photo of Trillium sulcatum (Trillium sulcatums)

Phonetic Spelling:TRIL-ee-um sul-KAY-tum

Genus:Trillium

Species:sulcatum

Family:Melanthiaceae

The Southern Red Trillium thrives in the damp, mountainous woodlands of the eastern and central United States, favoring the sedimentary rock formations of the Appalachian Mountains.

For optimal growth, it should be planted in areas that receive partial to full shade, within humus-rich soils that are either acidic or neutral and consistently moist. The flowers typically exhibit a maroon hue, though they can also appear in shades of purple, white, yellow, or even bi-colored variations. These blossoms emerge on a curved stem, positioned above large bracts, with green sepals that may feature maroon streaks and a boat-like shape.

In terms of pests and diseases, the Southern Red Trillium faces few significant threats. While slugs and snails can occasionally be problematic, and issues like leaf spot, rust, and smut may arise, the plant generally remains resilient. However, it does not respond well to transplantation.

Trillium sulcatum Feature Summary

Trillium sulcatum Image Gallery

Tags

#showy flowers
#maroon
#perennial
#moths
#shade tolerant
#native perennial
#shade garden
#spring flowers
#moist soil
#food source
#NC native
#perennial flowers
#neutral ph
#small and large mammals
#clumps
#native garden
#mountains
#odor
#summer interest
#rock gardens
#spring interest
#acidic soil tolerant
#pollinator plant
#native wildflower
#wildflower garden
#clumping
#late spring flowers
#early spring flowers
#fruits summer
#food source summer
#mid-spring flowers
#forb
#food source herbage
#food source nectar
#food source pollen
#loamy soils tolerant
#rocky soils tolerant
#native
#perennials
#bird friendly
#pollen plant
#maroon flowers
#loam
#food source soft mast fruit
#malodorous
#moth larvae
#food source mid-summer
#partial shade tolerant
#loamy soil
#ants
#shade flowers
#flowering
#pollinators
#pollinator garden
#bee friendly
#flowers
#clump
#audubon
#woodlands
#heavy shade tolerant

Similar Plants

Trillium sulcatum is often confused with:

Trillium sulcatum Feature Summary

Attributes
Trilliums have been used in herbal medicine
Eastern and central U.S.A.
AL, GA, KY, NC, TN, VA, WV
Bees and other pollinating insects enjoy the nectar from the flowers. This plant is a larval host for moths. Ants and small mammals enjoy the fruits as a food source.
Perennial
Fragrance
Wildlife Food Source
Attracts Pollinators
Wildlife Larval Host
Fruit
The 6-parted red-maroon berry-like capsules are available from July to August in North Carolina.
Capsule
Berry
Red/Burgundy
< 1 inch
Flowers
White, yellow, purple, bi-colored but usually maroon three-petaled flowers with three green sepals and a purple ovary on a curved stem. In North Carolina, the flowers are available from April to May. Flowers have a fetid odor. Sepals "canoe-tipped'.
Purple/Lavender
White
Gold/Yellow
Red/Burgundy
Variegated
2-3 rays/petals
Leaves
The green leaves or bracts are sharply pointed at the tip and obovate in shape. They grow in a whorl on the stem. They are up to 8 inches long and wide.
> 6 inches
> 6 inches
Stem
Unbranched green stem
Smooth (glabrous)
Straight
Whole Plant Traits
Herbaceous Perennial
Native Plant
Poisonous
Wildflower
Erect
Clumping
Medium
Cultural Conditions
Partial Shade (Direct sunlight only part of the day, 2-6 hours)
Deep shade (Less than 2 hours to no direct sunlight)
Acid (<6.0)
Neutral (6.0-8.0)
Good Drainage
Moist
12 inches-3 feet
Less than 12 inches
Mountains
High Organic Matter
Loam (Silt)
Landscape
Pollinator Garden
Native Garden
Shade Garden
Mass Planting
Small groups
Woodland
Naturalized Area
Slope/Bank
Pollinators
Songbirds
Bees
Moths
Small Mammals
Malodorous

Trillium sulcatum Attributes

Trillium sulcatum: Uses (Ethnobotany)

Trilliums have been used in herbal medicine

Trillium sulcatum: Country Or Region Of Origin

Eastern and central U.S.A.

Trillium sulcatum: Distribution

AL, GA, KY, NC, TN, VA, WV

Trillium sulcatum: Wildlife Value

Bees and other pollinating insects enjoy the nectar from the flowers. This plant is a larval host for moths. Ants and small mammals enjoy the fruits as a food source.

Trillium sulcatum: Life Cycle

Annual
Biennial
Bulb
Perennial
Woody

Trillium sulcatum: Recommended Propagation Strategy

Division
Grafting
Layering
Leaf Cutting
Root Cutting
Seed
Stem Cutting

Trillium sulcatum: Play Value

Attractive Flowers
Attracts Pollinators
Buffer
Colorful
Defines Paths
Easy to Grow
Edible fruit
Fragrance
Pieces Used in Games
Screening
Shade
Sound
Textural
Wildlife Cover/Habitat
Wildlife Food Source
Wildlife Larval Host
Wildlife Nesting
Wind Break
Wind Shimmer

Trillium sulcatum Fruit

Trillium sulcatum: Fruit Description

The 6-parted red-maroon berry-like capsules are available from July to August in North Carolina.

Trillium sulcatum: Fruit Type

Achene
Aggregate
Berry
Capsule
Caryopsis
Drupe
Follicle
Legume
Nut
Pome
Samara
Schizocarp
Siliqua

Trillium sulcatum: Fruit Color

grass
Red/Burgundy

Trillium sulcatum: Display/Harvest Time

Fall
Spring
Summer
Winter

Trillium sulcatum: Fruit Length

< 1 inch
1-3 inches
> 3 inches

Trillium sulcatum: Fruit Width

< 1 inch
1-3 inches
> 3 inches

Trillium sulcatum Flowers

Trillium sulcatum: Flower Description

White, yellow, purple, bi-colored but usually maroon three-petaled flowers with three green sepals and a purple ovary on a curved stem. In North Carolina, the flowers are available from April to May. Flowers have a fetid odor. Sepals "canoe-tipped'.

Trillium sulcatum: Flower Color

filter_vintage
Gold/Yellow
filter_vintage
Purple/Lavender
filter_vintage
Red/Burgundy
filter_vintage
Variegated
filter_vintage
White

Trillium sulcatum: Flower Inflorescence

Catkin
Corymb
Cyme
Head
Insignificant
Panicle
Raceme
Solitary
Spadix
Spike
Umbel

Trillium sulcatum: Flower Value To Gardener

Edible
Fragrant
Good Cut
Good Dried
Long Bloom Season
Long-lasting
Showy

Trillium sulcatum: Flower Bloom Time

Winter
Spring
Summer
Fall

Trillium sulcatum: Flower Petals

2-3 rays/petals
4-5 petals/rays
6 petals/rays
7 - 20 petals/rays
asymmetrical petals
Bracts
Colored Sepals
fused petals
more than 20 petals/rays
Tepals

Trillium sulcatum: Flower Shape

Bell
Cross
Crown
Cup
Dome
Funnel
Irregular
Lipped
Radial
Saucer
Star
Trumpet
Tubular
Urn
Wheel

Trillium sulcatum Leaves

Trillium sulcatum: Leaf Description

The green leaves or bracts are sharply pointed at the tip and obovate in shape. They grow in a whorl on the stem. They are up to 8 inches long and wide.

Trillium sulcatum: Leaf Color

spa
Green

Trillium sulcatum: Leaf Type

Compound (Pinnately , Bipinnately, Palmately)
Fronds
Needles
Sheath
Simple

Trillium sulcatum: Leaf Arrangement

Alternate
Opposite
Other/more complex
Rosulate
Whorled

Trillium sulcatum: Leaf Shape

Acicular
Auriculate
Cordate
Cuneate
Deltoid
Elliptical
Filiform
Lanceolate
Linear
Oblanceolate
Oblong
Obovate
Obtuse
Orbicular
Ovate
Palmasect
Palmatifid
Peltate
Pinnatifid
Pinnatisect
Reniform
Rhomboidal
Spatulate
Subcordate
Subulate

Trillium sulcatum: Leaf Margin

Crenate
Crenulate
Dentate
Denticulate
Doubly Crenate
Doubly Dentate
Doubly Serrate
Entire
Lobed
Serrate
Sinuate
Undulate

Trillium sulcatum: Hairs Present

No
Yes

Trillium sulcatum: Leaf Length

< 1 inch
1-3 inches
3-6 inches
> 6 inches

Trillium sulcatum: Leaf Width

< 1 inch
1-3 inches
3-6 inches
> 6 inches

Trillium sulcatum Stem

Trillium sulcatum: Stem Description

Unbranched green stem

Trillium sulcatum: Stem Color

grass
Green

Trillium sulcatum: Stem Is Aromatic

No
Yes

Trillium sulcatum: Stem Cross Section

Angular
Oval
Round
Square

Trillium sulcatum: Stem Surface

Corky Ridges
Covered with a powdery bloom (glaucous)
Dull
Hairy (pubescent)
Polished
Smooth (glabrous)

Trillium sulcatum: Stem Form

Straight
Zig Zags

Trillium sulcatum Whole Plant Traits

Trillium sulcatum: Plant Type

Annual
Bulb
Carnivorous
Edible
Epiphyte
Fern
Ground Cover
Herb
Herbaceous Perennial
Houseplant
Mushroom
Native Plant
Ornamental Grasses and Sedges
Perennial
Poisonous
Rose
Shrub
Succulent
Tree
Turfgrass
Vegetable
Vine
Water Plant
Weed
Wildflower

Trillium sulcatum: Habit/Form

Arching
Ascending
Broad
Cascading
Climbing
Clumping
Columnar
Conical
Creeping
Dense
Erect
Horizontal
Irregular
Mounding
Multi-stemmed
Multi-trunked
Open
Oval
Prostrate
Pyramidal
Rounded
Spreading
Vase
Weeping

Trillium sulcatum: Growth Rate

Slow
Medium
Rapid

Trillium sulcatum: Maintenance

Low
Medium
High

Trillium sulcatum: Texture

Fine
Medium
Coarse

Trillium sulcatum Cultural Conditions

Trillium sulcatum: Light

Dappled Sunlight (Shade through upper canopy all day)
Deep shade (Less than 2 hours to no direct sunlight)
Full sun (6 or more hours of direct sunlight a day)
Partial Shade (Direct sunlight only part of the day, 2-6 hours)

Trillium sulcatum: Soil pH

Acid (<6.0)
Alkaline (>8.0)
Neutral (6.0-8.0)

Trillium sulcatum: Soil Drainage

Frequent Standing Water
Good Drainage
Moist
Occasional Flooding
Occasionally Dry
Occasionally Wet
Very Dry

Trillium sulcatum: Available Space To Plant

12 inches-3 feet
12-24 feet
24-60 feet
3 feet-6 feet
6-feet-12 feet
Less than 12 inches
more than 60 feet

Trillium sulcatum: NC Region

Coastal
Mountains
Piedmont

Trillium sulcatum: USDA Plant Hardiness Zone

thermostat
4a
thermostat
4b
thermostat
5a
thermostat
5b
thermostat
6a
thermostat
6b
thermostat
7a
thermostat
7b

Trillium sulcatum: Soil Texture

Clay
High Organic Matter
Loam (Silt)
Sand
Shallow Rocky

Trillium sulcatum Landscape

Trillium sulcatum: Landscape Theme

Asian Garden
Butterfly Garden
Children's Garden
Cottage Garden
Cutting Garden
Drought Tolerant Garden
Edible Garden
English Garden
Fairy Garden
Garden for the Blind
Native Garden
Nighttime Garden
Pollinator Garden
Rain Garden
Rock Garden
Shade Garden
Water Garden
Winter Garden

Trillium sulcatum: Design Feature

Accent
Barrier
Border
Flowering Tree
Foundation Planting
Hedge
Mass Planting
Screen/Privacy
Security
Shade Tree
Small groups
Small Tree
Specimen
Street Tree
Understory Tree

Trillium sulcatum: Landscape Location

Coastal
Container
Hanging Baskets
Houseplants
Lawn
Meadow
Naturalized Area
Near Septic
Patio
Pond
Pool/Hardscape
Recreational Play Area
Riparian
Rock Wall
Slope/Bank
Small Space
Vertical Spaces
Walkways
Woodland

Trillium sulcatum: Attracts

Bats
Bees
Butterflies
Frogs
Hummingbirds
Moths
Pollinators
Predatory Insects
Reptiles
Small Mammals
Songbirds
Specialized Bees

Trillium sulcatum: Problems

Allelopathic
Contact Dermatitis
Frequent Disease Problems
Frequent Insect Problems
Invasive Species
Malodorous
Messy
Poisonous to Humans
Problem for Cats
Problem for Children
Problem for Dogs
Problem for Horses
Short-lived
Spines/Thorns
Weak Wood
Weedy