Death's Waylaying not the sharpest — Bloomless

Death's Waylaying not the sharpest 1
Of the thefts of Time-
There Marauds a sorer Robber,
Silence-is his name-
No Assault, nor any Menace 5
Doth betoken him.
But from Life's consummate Cluster-
He supplants the Balm.
(F.1315/J.1296)
[1] Death:: death of a plant.
[2] Time:: season.
[3] Robber:: something that deprives a plant's blooming.
[4] Silence:: without blooming.
[5, 6] No Assault, Menace:: quietly doing everything.
[8] the Balm:: the comfort of a plant.