BIG tent pegs!
It's a Boragey sort of thing?
Nut, I am loathe to differ with someone so knowledgeable, but I think there is a Soloman's Seal in there, along with the Allium
...and there will be some weeds in with the manure, but Dove is right; let things develop for a while; even experienced gardeners would not be able to identify a lot of things at 5mm tall
I would ask the seller about the best locations; after all if they are selling such a huge variety, they should have some expertise
Welcome DiggerD, happy gardening
I would get quotes from 3 tree experts and make sure they have proper qualifications; there are a lot of cowboys around
I still say; heavy duty chicken netting, fastened well into the soil and then plant in pockets, cutting the wire where needed.