Climbing plants are a really simple way to make a greenwall. It's possible with Climbing or sling plants.
Sling plants we have to help otherwise they would fall on the ground. This can be done with wooden grids, but the wood can get rot. We work mostly with stainless steel cables to support the sling plants.
There are various different forms possible. Like you can see in the picture below. It's also possible for nets made out of stainless steel.
Akebia quinata is a sling plants very suitable for in the sun. In april-may there are coming purple flowers. After the flowers there comes a 10cm blue fruit.
Clematis is a sling plant very suitable in the sun. In Juni-Juli there are coming red flowers.
Hedera helix can grow anywhere. This evergreen plant is the most used but you have to prune them well.
Parthenocissus can grow without help on your wall. In the autumn the leaves become red and fall off. In the sping it's coming all back.
Wisteria sinensis is a sling plant suitable for in the sun. In may it gives blue flowers.
Campsis is also a slingplants suitble for in the sun. In august it gives yellow-orange flowers.