Crown of Thorns is a succulent tropical shrub that's charmed gardeners for centuries. Native to Madagascar, this hardy plant ...

Do take care to wear gloves and protective eyewear if you trim cuttings to propagate this succulent. It's best to let the sap dry before you handle crown of thorns cuttings. Like other Euphorbia ...

Crown-of-thorns starfish populations are again flourishing along the Great Barrier Reef. Symon Dworjanyn is a professor of marine ecology at Southern Cross university. "Crown-of-thorns starfish ...