 The koulara are often grown haphazardly on small plots of land and can be mistaken for wild bushes by unknowing passers-by.Grape varieties are frequently grown together and the growers are often unaware which grapes are which until harvest which takes place in mid-August.At the age of 75 a vine is generally woven into many layers and it may be unable to provide proper nutrients and high enough yields to keep in production.