Claytonia Virginica is another early bloomer. This plant blooms in the Early Spring. Claytonia Virginica requires full sun to partial shade and is best grown in medium moisture, well-drained soils. It prefers organically rich and fertile soils. Claytonia Virginica naturalizes easily by bulb offsets and self-seeding. Mass in rock gardens, woodland gardens or meadow areas. The flowers close at night or on cloudy days. Closed flowers and buds nod down and become erect when the flower opens.