Hydragena H. 20/40cm.

Deciduous shrub with a height of 1 to 1.50 m. It has spherical shape and large, light green leaves. It also has huge spherical inflorescences in various colors like white, blue, pink and purple that bloom from June to October depending on the spieces. Hydragena requires rich moist soils and shaded or semi-shaded locations. It can be planted in pots and gardens and can withstand temperatures as low as -15/-20°C.