Dianthus armeria (Caryophyllaceae) It is an annual to biennial plant that grow up to 60cm tall. The leaves are hairy, dark green and grow up to 5cm. The bright reddish-pink flowers are produced in clusters at the end of a spike. Sowing : Sow seeds in summer in a well drained medium. Date of harvest : March 2012. Locality : Ex Hort.