Coossi 30PCS Red Echinacea Flower Seeds DIY Plant Garden Home Sowing to flowering: 100 days. Warm become perennial, flowering next year or the year seedlings. Cold even a year old flower, it must be cold. Mainly to changes in local temperature. Biennial or perennial herb. With coarse, 30-100 cm high, paper-based students; leaves alternate, pinnately divided, lobes linear to narrowly lanceolate, entire; in the disk flowers columnar, often 1.5-4 cm, shaped like pine cones, Than the so-called Echinacea and Rudbeckia hirta's more prominent in the disk flowers, ray florets surrounding yellow, red petals center, flowering early summer and even autumn, continuous