Sunny yellow miniature. This miniature Hosta hybridized by Tony Avent has a similar leaf shape and performance to Hosta 'Blue Mouse Ears', but with brilliant yellow leaves that hold their yellow color well into summer. Plant it in an area with morning sun or filtered shade for best yellow color. Lavender flowers appear in midsummer on 18" scapes. A multi-generational cross involving the Hosta 'Blue Mouse Ears'. Grow Hosta 'Sun Mouse' in troughs, patio containers, or in small garden areas with other similarly sized plants.