Possible Clues:

• 'Drawing 25 down perhaps, in one during the spring (9)'
• Setter's new and unusual RIP sign is thought-provoking
• Moving home? Boatman is, in April or May
• I planted — around Easter, say, there's stirring
• Animating; uplifting
• Motivation in time of rebirth, I held
• Filling with confidence, stimulating to achievement
• Stimulating and popular single, well-housed
• Breathing (that's encouraging!)
• Breathing in or activating the mind