Neutral term for weeds; see there.
Colloquial term (also weeds) for various plants that occur as spontaneous accompanying vegetation within a crop such as a vineyard. They are not deliberately cultivated, but arise from the seed potential of the soil or via seed dispersal. The criterion for "weeds" is that such plants enter into unwanted competition with a deliberately cultivated crop in terms of nutrients, water and light. From a natural point of view, there is no such thing as a weed, even a vine in a rose bed or a rose in a vegetable patch can be undesirable.
Common weeds in vineyards include field mustard, field bindweed, amaranth, thistle, common couch grass, common groundsel, shepherd's purse,...
There is a vast number of sources on the web where one can acquire knowledge about wine. But none has the scope, timeliness and accuracy of the information in the encyclopaedia at wein.plus. I use it regularly and rely on it.
Sigi Hiss
freier Autor und Weinberater (Fine, Vinum u.a.), Bad Krozingen