This area is for Reference and discussion of plant hardiness, overwintering methods and tips, and planr protection.
Im looking for any information on hardiness,for any of the many var found in garden centres,in particular i like the red and purple forms of passiflora.
what experiences have you had in different locations?
Obviously it depends on the species.
I have found Passiflora caerulea to be very hardy having come through last winted unscathed.
This site may be a useful source of info for you
Never had any trouble with Passiflora caerulea it even self seeds but as for the others I've never had any luck at all