Possible Clues:

• Plants that grow up a support
• Mountaineers
• Glasnevin potato vines, for example, found on Mount Everest
• They grow up a support
• Perhaps roses for Yuppies
• Those going up the social ladder driven up the wall by Adam, for one?
• Edmund Hillary and Tensing Norgay, say
• People moving up the social ladder
• Edmund Hillary and Reinhold Messner, say
• Arose like them on the up and up