Question
I've been trying for years to propagate a very nice vine, ampelopsis aconitifolia.   Layering, soft wood, hard wood, spring, summer, fall, full dormancy, seeds.  No luck.

Grows like crazy so it should be easy.  But it's been in the ground for seven years, and has never produced independent plants.  The vine is not widely available (what a shame!) but maybe the problems I'm having getting it to propagate is the reason why it's somewhat rare.

Any suggestions?

glenn
southeastern Nebraska  

Answer
Hi Glenn,
Thanx for your question.  Softwood cuttings are the recommended way.  Berries I have germinated before by vernalization (stratification/cold treatment).  Never had a problem.  Plant the seeds in a pot and leave it out for the winter making sure it is regularly watered.  I'll bet they'll germinate in the Spring.  The seed may require multiple cold/warm periods.  In that case, put the seeds, completely clean of pulp in a damp paper towel and seal it in a plastic baggie.  Put in the fridge for 60 days.  Remove for 30 days to warmth then re-refrigerate for another 60 days and then return to warmth.  If they do not germinate you may have a sterile plant.  I hope this helps.
Tom