Sunflower seeds should be sown outdoors directly into the soil after the last frost. Typically this is late autumn or early spring. Plant sunflower seeds in well-drained, neutral to acidic soil, in full sun.
About this Author
Tina Samuels has been a full-time freelance writer for more than 10 years, concentrating on health and gardening topics, and a writer for 20 years. She has written for "Arthritis Today," "Alabama Living," and "Mature Years," as well as online content. She has one book, “A Georgia Native Plant Guide,” offered through Mercer University; others are in development.