Hi! Catrian and dni dave, I have found one gallon demijohns and larger left next to glass recycling containers as they do not fit in the holes. Generally it is recommend that you brew five gallon loads of stand-by wines such as apple using windfalls from friends. This can be drunk as is, or used to blend with the fruitier blackcurrent/blackberry style of wines. Glass is easier to keep clean as it does not scratch like plastic and in wine making cleanliness is all. . If you wish to make wine from leaves use new growth but you may need to add some other fruit to give the wine body such as grapes or apples. I have brewed with gorse before as previously posted but the flowers are the best bit and rival elder flowers for perfume. The flowers attract insects, that is what they are for, so place in netting and immerse in water untill they all swim out, unless you want the protein???