Asteraceae
large-flowered coreopsis
Coreopsis grandiflora
Synonyms
Bidens sweetiana
Other Common Names
large-flowered tickseed
Plant Type
Herbaceous Wildflower
Life Cycle
Perennial
Typical Size
1-3 ft. tall
1-3 ft. wide
Tolerant of
Drought
Inolerant of
Poorly Drained Soil
Propagation
By seed, By division
Plants/Diseases
Foliage is susceptible to powdery mildew, leaf spot, and rust fungus. Susceptible to crown rot if grown in poorly-drained soils.
Wildlife Benefits
Nectar/pollen source for pollinating insects
Leaves
Upper leaves are opposite along the stem, pinnatifid, and deeply lobed. Lower leaves, near the base, are lobeless and linear. Leaf sizes ranges from 1-3 inches long and 0.5-1 inch wide.
Flowers
Flowers are golden yellow with 7-20 rays. One to 3 inch diameter.
Fruit
Fruit are flat and oblong achenes.
Toxicity
No known toxicity.

USDA Hardiness Zones
4, 5, 6, 7, 8, 9
Light Exposure
Part Sun/Shade
Soil Moisture
Medium
Soil Drainage
Well-drained
Soil pH
Acidic (less than 6.0), Neutral (6.0-8.0)
Native in South Carolina?
Yes
Plant Native Habitat
Sandy soils, ditches and roadsides, other disturbed sites, granite and sandstone outcrops
Global Conservation Status (NatureServe)
Secure (G5)
Federal Conservation Status (USFWS)
Not Listed
Distribution Notes
Rare in the Piedmont and Absent from the Coastal Plains and Mountains