In article ,
Jeff Layman wrote:
Just found a couple of Ipomoea "Kniola's Black" in flower. They were
last year's plants in a not particularly sheltered position, and were
nowhere near a south or west-facing wall. It seems strange that as last
winter was on the cold side (we had at least 10 nights of frost here,
with a couple falling to -6 deg C), that those ipomoeas should survive
when others in milder winters have not.

Are you sure that they were last year's plants, rather than ones that
have grown from fallen seed?


Regards,
Nick Maclaren.