No, it's not common, it's an impossibility. A clematis cannot hybridise with an acer.
I think what you have there is a parthenocissus of some sort.
would you like to say which global charity?
I don't feel inclined to click on unknown links from first time posters.
verve is a B&Q trade name for everything in the gardening department.
If you post a photo of your flower someone may be able to help
I think so too Hosta
looks like winter jasmine. Quite mature and not unhealthy. I'm surprised it doesn't flower. It flowers in winter, don't look for flowers in summer
excellent, they'll do a lot of growing before spring, might need a pot on at some point.
It might upset them a bit for start but they'll get over it. They're hardy. If you have a cold GH or frame you could keep them in pots over winter otherwise I'd harden them off and plant them out while the ground is still warm and they're growing well.
Not enough light, get them outside, nothing needs indoor treatment at the moment.
of course Hosta, someone needs to say that