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.

Coreopsis grandiflora

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