Hydrangeas are one of the most beautiful flowers. Inflorescence in the genus Hydrangea comes in groups. Hydrangea has long been a popular flowering shrub. The flowers are considered by many as Grandmother’s old-time flower. Hydrangea Day is celebrated on the 5th of January every year.
There are 3 types of flower blooms in Hydrangea
Mophead – Globe shaped flower cluster, the most commonly recognized form of Hydrangea bloom.
Panicle – Long, somewhat cone-shaped flower cluster (particularly in Oakleaf Hydrangeas).
Lacecap – Flattened cluster of what appear to be tiny, immature buds surrounded at the edges by typical 4 to 5 petal flowers.
Source: The Flower Expert