The gentian (Gentiana pneumonanthe) closes up both flowers and leaves before rain.
Last 7 Days
When the mulberry has shown green leaf, there will be no more frost. [Gloucestershire]
Harvest follows in thirteen weeks after the milk-white thorn scents the air [Scotland].
Easter in snow, Christmas in mud, Christmas in snow, Easter in mud.
Early blossoms indicate a bad fruit year.
Rain on Good Friday foretells a fruitful year.
If this plant [African Marigold] does not open its petals by seven in the morning, it will rain or thunder that day. It also closes before a storm.
The wind direction on Palm Sunday is said to predominate throughout the summer.
Just before rain or heavy dew the wind indigo closes or folds its leaves .
Streaky clouds across the wind foreshow rain. -Scotland