Export share to the UK fell from 15.5 per cent to 13.5 per cent in October.
Cumulative exports fell from 781m euros to 757m euros for the year to date, down three per cent.
Pot plant imports to the UK fell 22.8 per cent in the month compared to the same time last year, to 9.829m euros. Sales are flat year to date at 190m euros.
Cut flowers were down 7.7 per cent to 49.389m euros, from 53.536m euros in October and are four per cent down year to date at 567.419m euros.
However, exports from the Dutch auction to Germany rose 9.7 per cent in October and 6.4 per cent year-to-date. The German market is biggest at twice the size of the British export market.