Invasive cactus at Cultana 09/08/2024 FacebookTwitterEmail The Hairspine cactus, or Prickly Pear, has reappeared in the region after an absence of fifteen years. (Supplied). WHYALLA - An invasive species of cactus not seen for 15 years has been discovered in Cultana, on land occupied […] Subscribe or Login to see the rest of the content. Username Password Remember Me Forgot Password