As autumn arrives, countless gardeners are inadvertently setting their hydrangeas up for disaster. From excessive pruning to poorly-timed trimming, these seasonal blunders can quietly undermine next year's blooms - resulting in once-flourishing plants appearing rather lacklustre come spring. Wickes' Garden Category Manager, Clair Albone , is setting the record straight, debunking the most widespread myths surrounding autumn garden maintenance and sharing crucial, expert-endorsed tips to