Eric Robson chairs the popular horticultural forum.
Pippa Greenwood, Bob Flowerdew and Matthew Biggs are guests of the North East Hardy Plant Society in Newcastle.
Eric Robson rediscovers a long-lost design by 18th-century the Northumbrian garden designer Capability Brown. Chris Beardshaw meets students of Capel Manor College to discuss the fundamentals of garden design.
Includes gardening weather forecast.