Real World Gardener Podcasts

 PLANT DOCTOR     Germinating Native Seed Australian plants have evolved over thousands of years to respond to a variety of climatic extremes, from fires, to droughts to floods as well as being grazed by native animals.   Wattle seeds need boiling water treatment Such a long, long time  for plants to evolve as well as being isolated from the rest of the world has meant that a high diversity of flora abounds, so that it would be unusual to think that everything grows the same way. Australian plants have developed various  adaptations so that the seeds of which can grow in the most suitable environment for that species of plant to survive.  A suitable environment often means seeds don't germinate until a bushfire removes competing plants giving the seeds more access to sunlight and nutrients. Then they only have a short window to germinate.  The hard seed coat is therefore a protective layer that allows the seed to stay dormant for great lengths of time, even years before germination.   So how do plants kee