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maturing steps 
The harvest occurs about 100 days after flowering, after the grape has gone through four successive maturing steps.
ripeness
Last step in the maturing process, when the grapes are ripe and ready to be picked.
ripening
Third step in the maturing process, when the grapes darken and become translucent.
fruition
Second step in the maturing process, when the grape berries are formed.
flowering
First step in the maturing process, when flowers appear.
