Hydrangea macrophylla 'Bläuling'Hydrangea macrophylla Bluling Lacecap Hydrangea Bluling is a medium sized and very freely flowering hydrangea cultivar, growing to about 1 m tall. The lacecap type flower heads are large and fully ringed with overlapping and lightly serrated ray flowers. Flowers are light blue in acidic soils, and purple or pink in neutral and alkaline soils. Flowering usually occurs from January to March. This cultivar can also produce a second blooming, arising from