Early Sunrise coreopsis seeds have a weedy/wildflower hardiness to them and are most popularly sown outdoors directly after the frost. For earliest spring blooms, begin seeds indoors 6 – 8 weeks prior and harden off to a sunny place in the garden. Early Sunrise coreopsis can be kept indoors with plenty of sunlight. Germination will take 14 – 28 days in full lighting. Lightly press 3 – 4 Early Sunrise coreopsis seeds 18" apart into average, medium moist, and well-drained soil in full sun. Early Sunrise coreopsis is a hardy full sun performer known to be tolerant to heat, drought, and poor and sandy soils. Do not overwater because coreopsis will be susceptible to powdery mildew, leaf spots, and rust in overly saturated and poorly drained gardens. Deadhead plants often to promote growth and minimize self-seeding, which may become weedy. Coreopsis has no serious insects, pests, or diseases. Early Sunrise coreopsis seeds are perennials that mature in their 2nd year as 18 – 24” tall shrubby uprights with an 18 – 24” spread of 2" semi-double blooms.