Vegetation time (also known as the vegetative phase or vegetation period) is the rhythmically repeating part of the year in which a plant actively grows and unfolds. The doctrine of the related biological processes is called phenology designated. in the viniculture Vegetation time is the period of the last one frost (Late frost) in spring until the first frost (early frost) in autumn. This should be at least 180 days. The remainder of the year, when a perennial plant does not grow, is referred to as the dormancy, resting or rest period. The totality of the annually recurring growth phases of a plant including resting phase is the vegetation cycle. In viticulture, however, is often the vegetation cycle of the vine understood as a period without a rest period.
Phases of the cycle
The months or periods given in the table below for each cycle of the grapevine are average figures, the fluctuation range can be relatively large. Possible influencing factors are environmental conditions such as climate (Microclimate), Weather, such as soil quality and environmental conditions like Vine enemies, The period or the pace of development is also strong of the vine dependent. Very early ripening varieties go through the cycle from sprouting to maturation (Maturity) very fast in about 130 days and are therefore suitable for cooler wine growing areas. Late ripening varieties such as Riesling and Green Valtellina need more light and heat, they have a long growth cycle up to 200 days (see below...
