Double Butterfly pea(Clotoria ternatea)

Butterfly peas, also known as blue pea, cordofan pea, or Darwin pea , are plant species belonging to the family fabaceae, 

Used as a food colorant, in traditional medicine for cognitive function, as a dye. 

Flowers are rich in antioxidants and linked to several health benefits,including weight loss, blood sugar control, and hair and skin health.

You can soak them for overnight or gently rubbing your seeds with sandpaper to speed up germination. 

Trillis.