Gardening tips from Ed Lawrence

Ontario Today's resident gardening expert, Ed Lawrence, returned to his roots for a tour of the grounds and greenhouses at Rideau Hall. See the photos here and check out his gardening tips.

Check out what Ed Lawrence had to say on Ontario Today and on our live chat

Ontario Today's resident gardener returned to Rideau Hall for the Garden Gathering when the National Capital Commission opened its gardens and greenhouses to the public.

Ed Lawrence was the chief horticultural specialist to six governors general, from Jules Leger in the 1970s to Adrienne Clarkson in 2005.

He and the CBC's Hallie Cotnam met up with Rideau Hall's current manager of grounds and greenhouses, Mark Burleton, for a tour, which you can see in the photos above.

Ed joined Ontario Today from noon to 1 p.m. ET Monday then he joined CBC News for a live chat. You can see a recap of the chat below.