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Carolina grass of Parnassus

Parnassia caroliniana

Also called Eyebright

Carolina grass of Parnassus
Photo: Unknown author, CC BY 4.0

Carolina grass of Parnassus is a small rhizomatous perennial wildflower native to the southeastern US, grown for its solitary white flowers in wet, open habitats. It likes consistently moist soil and a sunny to lightly shaded spot.

Family
Parnassiaceae (Parnassi family)
Grows as
Grass, Perennial
Light
Full sun, Part shade
Water
Keep the soil consistently moist and never let it dry out.
Soil
Moist, acidic, humus-rich soil or a boggy mix with good drainage at the surface.
Temperature
10–25 °C; hardy in temperate climates, protect from severe frost.
How easy
Moderate
Native range
North Carolina to Florida
Climate
temperate

About

Parnassia caroliniana is a species of flowering plant in the Celastraceae known by the common name Carolina grass of Parnassus. It is native to the southeastern United States, where it occurs in North Carolina and South Carolina, with an isolated population in the Florida Panhandle.

This rhizomatous perennial herb grows up to 65 centimeters (26 inches) tall. The basal leaves have rounded to oval blades borne on long petioles and leaves on the stem are heart-shaped and clasp the stem at their bases. The inflorescence is a solitary flower with five deeply veined white petals which may exceed 2 centimeters (0.8 inches) in length. At the center are five stamens with yellow anthers and five three-parted staminodes. The fruit is a capsule, which dehisces to drop seeds. Unlike Parnassia grandifolia, the pistil of P.

Other Parnassia plants

Kidneyleaf grass of Parnassus · California grass of Parnassus · Fringed grass of Parnassus · Fen grass of Parnassus · Largeleaf grass of Parnassus · Marsh grass of Parnassus · Bog-stars

Text excerpted from the Wikipedia article Parnassia caroliniana by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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