Board Thread:FarmVille (game discussion)/@comment-83.100.229.71-20130215125829/@comment-3474542-20130605031030

According to the market (and I just checked by planting it on my farm), the Sundew *gives* 5 XP when planted. You might want to reload your farm to see if Zynga fixed your XP automatically. If not, send a bug report to Zynga.