This seed packet (50 seeds) is a fun item to tuck in a card for that gardener in your life! Also, a widely used immune booster, this is a nice gift for someone who is sick, when tucked inside a get well card. Echinacea seeds should be planted in 24″ rows, 24″ apart, 1/2″ deep. Time to maturity is 110 days. From the Hudson Valley Seed Library, heirloom and open-pollinated garden seeds with packets that are beautiful garden-themed contemporary art.