The Troutline Tactical Green Tag Buggy GRHE Nymph works for trout and grayling all season but the best period is at the beginning of it. It is super effective for trout fishing in fast flowing waters. There are moments when grayling love this fly too- especially when the water is cold
Nymph details:
The fly is effective as a top fly and for a dropper we recommend a pheasant tail or caddis nymph if is used in team