Early vegetative: Stem length less than 6 inch; no visible buds, flowers or seed pods
Mid vegetative: Stem length 6-12 inches; no visible buds, flowers or seed pods
Late vegetative: Stem length greater than 12 inches; no visible buds, flowers or seed pods
Early bud: 1-2 nodes with visible buds; no flowers or seed pods
Late bud: 3 or more nodes with visible buds; no flowers or seed pods
Early flower: 1 node with 1 open flower; no seed pods
Late flower: 2 or more nodes with open flowers; no seed pods
Early seed pod: 1-3 nodes with green seed pods
Late seed pod: 4 or more nodes with green seed pods
Ripe seed pod: Nodes with mostly brown, mature seed pods
Information gathered from University of Idaho CIS 1003