Helianthus schweinitzii: Country Or Region Of Origin
North Carolina to South Carolina
Plant Profile: Helianthus schweinitzii
Taxonomy: Helianthus schweinitziiNames
Schweinitz's Sunflower
Phonetic Spelling:hee-lee-AN-thus shwei-NIT-zee-eye
Genus:Helianthus
Species:schweinitzii
Family:Asteraceae
Schweinitz's Sunflower, a member of the aster family, is a native species that thrives in the clay-rich soils of woodlands and along roadsides in the piedmont regions of North and South Carolina. This plant features tuberous roots and is endemic to these areas, where it historically grew in natural clearings and grasslands. It is classified as an endangered species at both the federal and North Carolina levels. For further details on Helianthus, additional resources are available.
Helianthus schweinitzii Feature Summary
Helianthus schweinitzii Image Gallery
Tags
#wildlife plant
#native perennial
#NC native
#disturbed areas
#larval host plant
#food source fall
#food source herbage
#food source nectar
#food source pollen
#food source hard mast fruit
#butterfly friendly
#pollinator garden
#audubon
#woodlands
#silvery checkerspot butterfly
Similar Plants
Helianthus schweinitzii Feature Summary
Attributes
North Carolina to South Carolina
Flowers provide nectar to pollinators from July until the first frost. This is a larval host plant that supports Silvery Checkerspot (Chlosyne nycteis). The Silvery Checkerspot has at least 1-2 broods in the north from June-July in the deep south and Texas, they have as many as 3-4 broods from May through September.
Perennial
Fruit
Displays from September to November
Flowers
Blooms from August to October.
Summer
Whole Plant Traits
Perennial
Native Plant
Cultural Conditions
Full sun (6 or more hours of direct sunlight a day)
Partial Shade (Direct sunlight only part of the day, 2-6 hours)
Moist
Occasionally Dry
Piedmont
Clay
Leaves
Stem
Landscape
Butterfly Garden
Pollinator Garden
Woodland
Butterflies
Pollinators
Songbirds
Small Mammals
Helianthus schweinitzii Image Gallery
Helianthus schweinitzii Attributes
Helianthus schweinitzii: Wildlife Value
Flowers provide nectar to pollinators from July until the first frost. This is a larval host plant that supports Silvery Checkerspot (Chlosyne nycteis). The Silvery Checkerspot has at least 1-2 broods in the north from June-July in the deep south and Texas, they have as many as 3-4 broods from May through September.
Helianthus schweinitzii: Life Cycle
Annual
Biennial
Bulb
Perennial
Woody
Helianthus schweinitzii Fruit
Helianthus schweinitzii: Fruit Description
Displays from September to November
Helianthus schweinitzii: Display/Harvest Time
Fall
Spring
Summer
Winter
Helianthus schweinitzii Flowers
Helianthus schweinitzii: Flower Description
Blooms from August to October.
Helianthus schweinitzii: Flower Bloom Time
Winter
Spring
Summer
Fall
Helianthus schweinitzii Whole Plant Traits
Helianthus schweinitzii: 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
Helianthus schweinitzii Cultural Conditions
Helianthus schweinitzii: 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)
Helianthus schweinitzii: Soil Drainage
Frequent Standing Water
Good Drainage
Moist
Occasional Flooding
Occasionally Dry
Occasionally Wet
Very Dry
Helianthus schweinitzii: NC Region
Coastal
Mountains
Piedmont
Helianthus schweinitzii: Soil Texture
Clay
High Organic Matter
Loam (Silt)
Sand
Shallow Rocky
Helianthus schweinitzii Leaves
Helianthus schweinitzii: Hairs Present
No
Yes
Helianthus schweinitzii Stem
Helianthus schweinitzii: Stem Is Aromatic
No
Yes
Helianthus schweinitzii Landscape
Helianthus schweinitzii: 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
Helianthus schweinitzii: 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
Helianthus schweinitzii: Attracts
Bats
Bees
Butterflies
Frogs
Hummingbirds
Moths
Pollinators
Predatory Insects
Reptiles
Small Mammals
Songbirds
Specialized Bees
