NOTE: There’s a dreary muse out in Hub’s cabin that leads me to write things I don’t understand and this is one of them. How the title came to me I have not the slightest notion.
This is not a plant I have encountered or know anything about. But in checking references (after the poem was written), I was truly amazed to find that:
‘Hedge’ is a protective act and ‘hyssop’ branches are used in the Bible for purification rites)
And Hushed “Hosannahs”!