0.4g approx. 100 seeds. This is a perennial flower is growing 70-80 cm. The oblong, lobed leaves are up to 10 centimeters long including winged petioles. The inflorescence is a stiff, hairy panicle of flower bunches up to half a meter tall. The flower has blue-lavender sepals. Blooming from June until frost. Plant cold resistance, can withstand freezing to -4 degrees. . Looks great on rocky hills and mix borders.