Possible Clues:

• Climber's attachment for rope is holding little mass
• Buttercup relative
• Device to prevent slippage is protecting male climber
• Climbing garden plant
• Attlee given a pair of tights before introduction to social climber
• Plant found in various climates
• Variety of limecast - it may cover walls
• It grows in exotic climates
• Popular climbing plant
• Climates (anag)