We’ve just received some useful information from a member of the Animal and Plant Health Agency (APHA) team…
Please see some links below which may be of help to you in regard to current details about Plant Passporting:
https://www.gov.uk/guidance/issuing-plant-passports-to-trade-plants-in-the-eu#inspection-fees
https://planthealthportal.defra.gov.uk/assets/uploads/Plant-Passport-Factsheet.pdf
https://planthealthportal.defra.gov.uk/assets/uploads/Flowcharts-Online-PDF.pdf
Current APHA Plant Health Concerns:
The Plant Health Portal is always a good starting point: https://planthealthportal.defra.gov.uk/
Latest News page link: https://planthealthportal.defra.gov.uk/latest-news/
High Profile Pests and Diseases: https://planthealthportal.defra.gov.uk/pests-and-diseases/high-profile-pests-and-diseases/
I would also add Oak Processionary Moth following the findings and trace activity in Wales and elsewhere last summer:
https://www.observatree.org.uk/portal/oak-processionary-moth/
Chestnut Blight:
https://www.observatree.org.uk/portal/chestnut-blight-cryphonectria-parasitica/