Caution : swan plant sap can cause severe irritation or harm if direct contact is made with skin or eyes.An attractive bush with fascinating clusters of large, unusual, swan-like seed pods. Most widely known for its role as host to the monarch butterfly.Position full sun. Sow directly into garden position. Scatter seed thinly, cover with yates black magic seed raising mix, firm down and moisten. Thin plants later to 1 metre apart.Caresmaller plants can be completely eaten by monarch butterfly caterpillars. Remove excess eggs to prevent this. Grow a number of plants to ensure lots of butterflies. Protect from snails with yates blitzem.