Lectures Great Dixter invites a number of external speakers to lecture on a variety of topics, such as plants and gardening, biodiversity and the history of the house. Go to our What’s on page to see a list of all our forthcoming events. As well as our in-house lecture programme, Fergus Garrett, Head Gardener and Chief Executive of the Great Dixter Charitable Trust visits and speaks at numerous external events during the year. To enquire about booking Fergus to speak to your group or Horticultural Society, please email [email protected]. During the Coronavirus outbreak 2020 we hosted a number of online lectures which you can now watch on demand.