IBK Plantagen was one of 18 clubs from the Czech Republic that had teams playing during Gothia Innebandy Cup 2018. They participated with one team in Boys 18. In addition to IBK Plantagen, 28 other teams from 3 different countries played in Boys 18. They were divided into 5 different groups, whereof IBK Plantagen could be found in Group 1 together with Pixbo Wallenstam IBF, CL98IC 2, FC Helsingborg, Bygdö Monolitten IL and Husqvarna IK. IBK Plantagen continued to Playoff A after reaching 1:st place in Group 1. In the playoff they made it to Semi final, but lost it against Hovslätts IK with 2-3. In the Final, Åstorp/Kvidinge IBS won over Hovslätts IK and became the winner of Playoff A in Boys 18. IBK Plantagen comes from Czech which lies approximately 910 km from Göteborg, where Gothia Innebandy Cup takes place.