| Hi, iirc the companies that collect the yew are only interested in young shoots that are harvested at the correct time of year, such that they have the highest concentration of the compounds they need. In other words they want hedge trimmings not whole trees. They buy yew hedge clippings from members of the public, and if you have a large enough hedge they used to (probably still do) offer to cut it for free in exchange for the clippings. Here is a link to one of the Yew harvesting companies: |
Here is a link that might be useful: Limehurst Limited The UK's specialist harvester of Yew clippings