On 28 May, 18:56, "Bob Hobden" wrote:
Please feel free to comment about hardiness etc, add more suggestions, pick
the list to pieces. :-)

Just thought of the Parrotia persica (relative of the witch hazel).
Reaches colour zenith in October in coppery and orange blaze. Passed
9m branches often spread horizontally so looks like an enormous
brightly coloured umbrella. If only I had the room .... (