Guidance on sourcing plant material

For Retailers, Landscapers, Growers, Designers and all dealing with plants in a professional capacity

What is the threat?

Xylella fastidiosa is one of the most harmful bacterial plant diseases in the world. It can cause severe losses in a wide range of hosts and there would be a massive impact on the plant trade across all business sectors in the event of an outbreakin the UK.

An outbreak of this disease, where several different plants are infected, will trigger immediate stock destruction within 100 metres and a movement ban of host plants within a 5-kilometre radius for up to five years. This will dramatically and immediately affect most plant selling operations, as well as impacting on all businesses dealing in plants within the 5km zone. Gardens could also be affected.

Watch the Xylella video resource below to find out more about Xylella and the plant passport scheme.


What should businesses do to stop it coming into the UK?

Only buy potential host plants from trusted plant passported suppliers who know where their plants come from. We strongly recommend that potential host plants are not sourced from or near regions where there have been findings of Xylella fastidiosa. Current demarcated areas can be seen at:

The list of host plants is growing and includes many popular garden and landscape plants, such as lavender, rosemary, oak and many others. The current list of confirmed hosts is at:

What happens if the disease is found in the UK?

The full emergency measures imposed at EU level are only triggered when the disease has spread and there is an OUTBREAK. The full emergency measures are not triggered if the disease is found on a single plant or within a batch of plants and is diagnosed and contained before it spreads. This is known as an INTERCEPTION. Stock will still be destroyed in this circumstance but the movement ban is very unlikely to come in force.

Additional EU measures have been agreed with the UK's Secretary of State for DEFRA making the case for stricter rules to help prevent the introduction of Xylella into the country. Find out about these here:


Xylella protections increase.pdf


Following on from the HTA Ornamentals Management Committee meeting on Thursday 13 July, and a retailer xylella meeting on Thursday 27 July, several businesses agreed on the following statement:

“We have taken the decision NOT to knowingly purchase any host plants originating from regions where the disease Xylella is known to exist. The decision has been taken after detailed consideration as to the potential catastrophic impact the introduction of the disease could have to the UK environment, coupled with the ever increasing number of host plant genera of this disease. This is in line with DEFRA’s good practice recommendations.

The HTA is aware that this is a minimum standard and therefore individual businesses are encouraged to develop their own policy for managing the risks posed by Xylella fastidiosa. ”

The businesses signed up as agreeing to the statement are;


  • Abbotsbury Sub Tropical Gardens
  • A & E Bridgen & Son Ltd.
  • Agrumi Ltd.
  • Allensmore Nurseries Ltd.
  • Alton Garden Centre
  • Amethyst Horticulture
  • Ashridge Trees Ltd.
  • Aylett Nurseries Ltd
  • Ball Colegrave
  • Barton Grange Garden Centre
  • Batsford Arboretum & Garden Centre
  • Baytree Nurseries and Garden Centre
  • Bents Garden & Home
  • Ben Reid Garden Centre and Nursery
  • Bickerdikes Garden Centre
  • Blackbrooks Garden Centre
  • Blackdown Garden Centre
  • Blackmoor Nurseries
  • Blue Diamond Garden Centres
  • Boningale Nurseries 
  • Bosworths Garden Centre
  • Bowhayes Trees
  • Bransford Webbs Plant Company
  • Bridge Nursery
  • Burford Garden Company
  • Burleydam Garden Centre
  • Burston Garden Centre
  • Capital Gardens Centres
  • Carnon Downs Garden Centre
  • Chessington Garden Centre
  • Christies of Fochabers Ltd.
  • Cleeve Nursery and Garden Centre
  • Coolings Green & Pleasant Ltd.
  • Coolings Nurseries Ltd.
  • 4th Corner Ltd.
  • Country Garden Plant Sales Ltd.
  • Country Herbs & Plants
  • Cowell's Garden Centre
  • Creative Gardens (NI) Limited
  • Darby Nursery Stock Ltd.
  • David Austin Roses Ltd.
  • Dibleys Nurseries
  • Diderk Heinje Nursery
  • Dobbies Garden Centres
  • Double HH Nurseries Ltd.
  • Duchy of Cornwall Nursery
  • Earley Ornamentals
  • Earthstone Landscapes
  • Evergreen Exterior Services


  • Fairways Garden Centre
  • Farplants Group
  • Ferndale Garden Centre
  • Florna Plants Ltd.
  • F. Morrey & Son
  • Forest Lodge Garden Centre
  • Fosseway Garden Centre
  • Frank P Matthews Ltd.
  • Fresh @ Burcot
  • Fron Goch Garden Centre
  • Frosts Garden Centre Group
  • Garden Centre Fresh
  • Garden Centre Plants
  • Garden Style Plant Centre
  • Gardentime
  • Garden Wise (Dumfries) Ltd.
  • Garsons Garden Centres 

  • Gates Garden Centre
  • Glendale Horticulture
  • Glendoick Garden Centre
  • Golden Grove Nursery
  • Gordale Garden Centre
  • G Palmer and Son Nurserymen Ltd.
  • Greatfield Nurseries and Garden Centre
  • Grovewell Garden Centres
  • Growforth Ltd.
  • Halls of Heddon
  • Happy Plant Garden Centre
  • Haskins Garden Centres
  • Hawkesmill Nurseries

  • Hayes Garden World
  • Henry Street Garden Centre
  • Highfield Garden World
  • Hillier Nurseries and Garden Centres
  • Hillview Garden Centres
  • Hortus Loci Ltd
  • Hollybush Nurseries Ltd.
  • James Coles and Sons (Nurseries) Ltd.
  • Javado UK
  • J & A Grower Ltd.
  • John Richards Nurseries Ltd.
  • Johnsons of Whixley


  • Kernock Park Plants Ltd
  • Kershaw's Garden Centre
  • Kingsdown Nurseries
  • Klondyke Group
  • Knights Garden Centre
  • KRN House and Garden Plants
  • Langlands Garden Centre’s
  • Linden Garden Centre
  • Liss Forest Nursery Ltd.
  • Living Landscapes Ltd.
  • L. J. Smith & Son
  • Loch-hills Plant Centre
  • Longstock Park Nursery
  • Lovania Nurseries Ltd.
  • Lowaters Nursery
  • Malmesbury Garden Centre
  • Marlows Home and Garden Ltd
  • Mayberry Garden Centre
  • Mclaren's Nurseries
  • Meadow Croft Garden Centre
  • Merryhatton Garden Centre
  • Monkton Elm Garden Centre
  • Morley Nurseries Ltd.
  • Mulberry Plants Wholesale Nursery
  • New Hopetoun Gardens
  • Newleaf Plants
  • Newquay Garden Centre
  • Norfolk Herbs
  • The Norfolk Olive Tree Company LTD

  • North Hill Nurseries
  • Notcutts Garden Centres
  • Oakover Nurseries Ltd.
  • O A Taylor & Sons Bulbs Ltd
  • Orchard Park Garden Centre

  • Osberton Nurseries Ltd.

  • Otter Garden Centres


  • Pacific Nurseries

  • Palmers at Ullesthorpe Ltd.

  • Palmstead Nurseries

  • Paradise Park

  • Parkers Flixton Garden Centre

  • Parkers Mottram Garden Centre

  • Parkers Anwick Garden Centre

  • Parker's Nurseries

  • Pennells Garden Centres

  • Perryhill Nurseries Ltd.

  • Perrywood Garden Centre

  • Pershore College Nurseries & Pershore College Plant Centre

  • Peter Beales Roses Ltd.

  • Peter Eastwood Plants Ltd

  • Planters Garden Centre

  • Plants for Europe Ltd.

  • Plymouth Garden Centre

  • Poplars Garden Centre Ltd.

  • Pople Garden Centres Ltd.

  • Profit Plant U.K.

  • Provender Nurseries

  • P & R Garden Supplies

  • Raemoir Garden Centre

  • Rainbow Nursery (Weeley) LLP

  • RHS Retail

  • Robert Morton & Sons

  • Rumwood Nurseries & Garden Centre

  • Ruxley Manor Garden Centre

  • Ruxley Nursery

  • R V Roger Nurserymen

  • Scotsdales Garden Centres

  • Seiont Nurseries Ltd.

  • Simpsons Garden Centre

  • Southdown Landscapes & Turf Co.

  • South Downs Nurseries

  • Squires Garden Centres

  • Stewarts Garden Centres

  • Stratford Garden Centre

  • St Peters Garden Centre

  • Summerhill Garden Centre

  • Sunshine Garden Centre


  • The Gardens Group

  • The Mains of Drum Garden Centre

  • The Millbrook Garden Company Ltd.

  • The Old Railway Line Garden Centre Ltd.

  • Thetford Garden Centre Ltd

  • Thirsk Garden Centre

  • Thompsons Plant and Garden Centres

  • Threaplands Landscaping and Garden Centre

  • Thurrock Garden Centre

  • Treetop Landscapes Ltd.

  • Tyne Valley Nuseries Ltd.

  • Van Arnhem Nursery Ltd.

  • Van Hage Garden Centres

  • W D Smith & Son

  • Webbs Garden Centres

  • WeeTree Wholesale Nurseries

  • West Somerset Garden Centre Ltd.

  • Whartons Nurseries Ltd.

  • Whitehall Garden Centres

  • Woodgate Nursery

  • Woodlark Nurseries Ltd.

  • Woodthorpe Hall Garden Centres Ltd.

  • Wyeplants Ltd.

  • Wyevale Nurseries

  • Wykeham Mature Plants

If you wish to add your company name to the list, please email with confirmation that you agree to the statement.

The HTA Tree and Hedging Group agreed to a stronger statement at their AGM and Conference in June, agreeing not to knowingly purchase any plants from regions where the disease Xylella is known to exist. These nurseries include:

  • Bernhard's Nursery
  • British Hardwood Tree Nursery Ltd.
  • Castle Howard Estate Ltd
  • Chew Valley Trees
  • Christie-Elite Nurseries Ltd.
  • English Woodlands
  • Forestart Ltd
  • Heathwood Nurseries
  • Hillier Tree Nursery
  • Hopes Grove Nurseries
  • J A Jones
  • J&A Growers Ltd
  • James Coles and Sons (Nurseries) Ltd.
  • Johnsons of Whixley Ltd
  • Oakover Nurseries Ltd
  • Thorpe Trees
  • Van Arnhem Nursery Ltd.

  • Wee Tree Wholesale Nurseries
  • Wyevale Nurseries

More information on Xylella can be found here:

Xylella fastidiosa Implications for importers and users of trees, shrubs and herbaceous plants - Update 12