Haven't seen any in the Ottawa valley. It was -33C last night
"Joe" wrote in message
news:YtiOb.151691$ts4.66231@pd7tw3no...
Today in Calgary (zone 3A) I noticed about a dozen of these have come out,
with completely mature flower heads, albeit closed in today's overcast and
cold conditions (-8 celcius). I guess with this week's highs of +8 it was
enough.

Strangely they last appeared November 2001.