JTM wrote:
In article
,
js.b1 wrote:
On 16 Sep, 21:22, Mike Barnard
wrote:
Still waiting on land registry results, but the consensus is (if we
can get planning) to put up a steel fence with a climbing, thorny
plant on it. Any reccomendations for this plant? Something exotic and
lethal?

Pyrethrum.
[snip]

Chaenomeles (Japanese quince)
Long thorns and lots of them.
Attractive flowers,
fruit can be used to make a jelly or added to apple pie.
Prune with care (or angle grinder)

John

not all of them are large, and not all are spiny, and they need pretty
good sun to grow - here anyway.

Pyracantha is definitely top bunny.