Achilleas will grow in most soils. Propagation is by seed or division of clumps. Seed germinates in 7 to 14 days. They prefer sunny areas but will tolerate some shade, Propagation is by seed planted any time from spring to September. Germination is irregular.
Hardy asters are easy to grow in the shade or full sun.
They are also used for cut flowers Propagation is by seed or division of clumps. Seed germinates in 14 to 21 days. They grow 12 to 60 inches high. Hardy chrysanthemums will grow well in most garden soils. They grow 6 to 24 inches high.