Greetings all:

I'm a beginner gardener in zone 5a, Nova Scotia, Canada. The plant in
question was woody sprigs near a stump when we first moved into our house
nearly two years ago, but nothing but greenery ever emerged, thought it was
a tree of some sort. Had meant to yank it out, never got around to it. Then
yesterday I noticed it has flowers.

The flowers are long clusters of blossoms; rather like a lilac, but the
individual flowers are larger, droopy, and bright yellow. They're quite
attractive, but I've never seen them before.

Can anyone help?

Thanks,

KD