Winter Jasmine or Jasminum nudiflorum originates from China so is used
to cold weather. It can grow to 10ft so should be planted against a
wall or fence and given support. You can grow this variety in any
position, even on a cold, sunless north wall. The flowers appear from
November to April mainly on the previous years stems but the flowers
are susceptible to cold winds so a sheltered position could help you.
When pruning, cut back the flowering stems to within 2 or 3 inches of
the base and completely remove old or weak stems.

Hope this helps!

Garden Oasis
www.gardenoasis.co.uk