[Daily Abstraction. Painting available].
This is the time of the year this 'green stuff turns into red'. Picture above shows the dunes of 'Kwade Hoek (Goedereede, The Netherlands) with plants like the ones below, changing from yellowish green into red.
From thereon you'll walk to the beach. Passing several remaining pools with some shrimps, crabs and saltwater gobies living in the brackish water.
Upon the beach you may find some still really green pickleweed; closer to the dunes, in the marshlands and near the tidal pools, most plants have already turned into ravishing red (photo below).
During high tide the tidal pool and the surrounding marshalnd will be flooded.