Hydrangea macrophylla 'Nachtigall'Hydrangea macrophylla Nachtigall Lacecap Hydrangea Hydrangeas are a shade loving plant that flower through summer and autumn. This is a modern variety of the Hen & Chicken cultivar, and has lovely deep blue flowers. Blooms have a central cluster of fertile flowers and large outer ray flowers. Colours may vary depending on soil pH. This plant is tall and robust with large foliage growing to 2 meters high and grows best in a shaded position. Syn.