With Margie Hoffnung, Tim Cordell, Duncan Montgomery and Sue Bradley Jones

Our expert panel return to sort out your horticultural hassles! They’ll be giving you advice on everything from when to plant out your vegetables to the best plants for pots and container and when to prune your climbers and flowering shrubs.

Plus you will also be able to ask them about your own specific queries. We are happy to taken written questions in advance: please send them to , with the subject, “Gardeners’ Questions”.

Of course, you can also ask any question on the day too!

Our panel

Margie Hoffnung qualified with a degree in horticulture at Writtle College after working for Westonbirt Arboretum. She worked for many years with Rosemary Verey at Barnsley House and at Highgrove as a gardener and guide as well as at the Arboretum. After gaining a masters degree at Bath, she is now conservation officer at The Gardens Trust and is a regular speaker on gardening and garden heritage matters.

Tim Cordall was introduced to plant growing by his parents as a child, as they were keen gardeners. He has been a nurseryman for 35 years; firstly working for 10 years for a commercial grower and then at his own business where he specialises in herbaceous perennials, topiary and herbs.

Duncan Montgomery trained initially at Cannington College in the early 1980s and then became interested in organics and studied at Lacock. After a number of different jobs in the ’90s, he has been the head gardener at Newnton House just outside Tetbury since 2002.

Sue Bradley Jones is an experienced garden designer and passionate about trees. She has been a guide at Westonbirt for over 20 years and is also an authority on woodland plants.

© 2025 Tetbury Rail Lands Regeneration Trust | Charity Number 1092160 | Company Number 04102029 |

Designed and Hosted by