Hardy Purple Mum Chrysanthemum morifolium Description Blooms pink-purple flowers. Dark green foliage. Bloom Period: AutumnGrowth Habit: Compact and roundMature Height: 1’ to 2’ (30cm to 60cm)Mature Spread: 1’ to 3’ (30cm to 90cm)Growth Rate: Fast More Details Sun Exposure: Full sun to partial shadeCold Hardiness Zone: 5Attracts butterflies and bees