Purple Tansy are an annual that adore full sun to partial shade and are very easy to grow and care for.
Simply sow seeds in dark and cool moderate drainage soil. 37 to 68 degrees is the optimum temperature to germinate. Propagators can be used to ensure ideal conditions are met.
Spring planted seeds flower 6 to 8 weeks after germination, and requires a good spell of light to flower but once they get going the last and put on repeat flowering performances.