Precursor of Osmunda japonica flowering

The signs before this flower blooms are as follows:

1. Leaf changes: Before flowering, the leaves of Osmunda japonica will change to some extent, and the color will gradually change from dark green to light green, with yellowish brown spots or red dark spots.

2. Bud head bulging: When Osmunda japonica is about to bloom, its bud head will bulge and become round. At this time, the bud head has fully grown up and is about to usher in the moment of blooming.

3. Color of flower buds: Before Osmunda japonica blooms, the color of flower buds will gradually change from dark purple or dark green to light purple or light green. This is one of the signals that flowers are ready to bloom.

4. Stems thicken: When Osmunda japonica is about to bloom, the stems will gradually thicken. This is because the stem needs to transport nutrients while supporting the flowers to ensure that the flowers can bloom smoothly.