Lac du Duc

Hortensia is the symbolic plant of Brittany. 
In the 18 th centuary, French botanist Philibert Commerson  accompanied  Louis Antoine de Bougainville for scientific exploration & brought this plant from the Réuinon Islands ( l'île de Bourbon) . It's said that he named this plant to honour his friend Nicole -Reine Lepeautre (French astronomer & mathematician ) whose nick name was "Hortense ".
Ploërmel, a tranquil town in  the Morbihan region is famous for it's hydrangea collections.  Around 5500  hydrangeas are planted around the Lac du Duc , a natural lake fed by the river Yvel.  From June @ Sept , the trails around this lake are studded with  550 varieties of hortensia.