In message ,
Janet writes
In article , gardenlen0
says...

g'day janet,

it is uncommon for gardeners to get those sort of diseases that affect
commercial growers, and when it affects commercial growers it can be
because of a greedy grower or 2 trying to work outsid the control
system.

Large parts of western UK are currently experiencing outbreaks of
disease that affects multiple species including native ones, can travel
on wind, rain, tools, feet (including wildlife) and plant material, and
has already been found in commercial plantations, private gardens, and
plant nurseries.

Add Country Parks to the mix. Two Country Parks locally (one of which is
overrun with Rhododendron ponticum) have Phytophora ramorum - the
eradication of Rhododendron ponticum for biodiversity reasons has now
been put on high priority for disease control reasons. The National
Trust garden next to one of the Country Parks also has it.

Janet
--
Stewart Robert Hinsley