Picea breweriana (Brewer’s weeping spruce or just Weeping spruce).
From Wikipedia:
“Outside its native range, P. breweriana is a highly valued ornamental tree in gardens, particularly in Great Britain and Scandinavia, where it is appreciated for its dramatically pendulous foliage.
This plant has gained the Royal Horticultural Society’s Award of Garden Merit.”
Westmount Overlooked 