The Corellian Horticultural Digest was a gardening journal on Corellia, published on datacards. Its first issue was published nearly three centuries before the Battle of Yavin. The journal's articles covered horticulture but its editorial staff also sent researchers all over Corellia's landscape to report on the planet's wild plant life. Rostek Horn wrote several columns for this publication, encrypting messages to Jedi in the genetic codes..