A three-day conference organised by the Mediterranean Garden Society, started on Friday 1st March at the Pine Cliffs Sheraton Hotel near Albufeira.  The Conference is called Friends and Foes in the Mediterranean Garden.   Roy Lancaster was the key speaker on Saturday.  He is a British gardener and broadcaster, known for his work on the long running  BBC TV programme Gardeners’ World.  He has also regularly appeared on the BBC Radio show Gardeners’ Question Time and is also a freelance writer and lecture He gave a clear, fun and passionate, illustrated talk, to keen Algarve gardeners, suggesting over 30 plants they should look for, from China, Mexico and other arid climates.   One…