The tomato plants were drooping, their crop reduced to small discolored fruit.
The older sandstone remains weathered and discolored and recent repair work in fine grained yellow ashlar is clearly visible.
The water which comes off this peat moorland is often discolored.
Sunken, discolored patches of bark form white pustules in summer & red fruiting bodies in winter.
Removal of discolored varnish would help bring back the wonderful iciness of the scene.