Bud elongation . New leaves and some flower bracts, which envelope the flower buds, emerge from the bud. All new growth is held tightly and parallel to the stem. Stem elongates significantly. All flower buds and bracts are visible, being held tight to the stem.
New leaves are still oriented parallel to the stem.
Flower pedicels have not elongated. Flower pedicels elongate, starting with the lowest flower buds on the upright. The flower bud droops, forming the characteristic hook shape. New leaves are becoming more perpendicular to the stem. Flowers open, starting from the lowest buds.