But don't cut below the lowest buds
You can take loads off that one
I can't have too many plants
But I've often got too many waiting to be planted out and no garden ready to receive them
It's not a cowslip.
as pansyface says
Keep throwing on the organic, bulky stuff, it will improve
are they as painful to deal with as the wild ones?
Improve the soil and earthworms will turn op on their own. They need something to eat, you have to add that to the soil if it's not there already. Otherwise they'll starve or move to somewhere they like better
They'll be flowering soon and won't enjoy being moved.
The others are a different iris, probably a bearded iris, could be any of a variety of colours, some are lovely
I have no idea, I can't manage the sort of mathematics required to work it out
Iris, but I don't think its sibirica
They look like the ones that are sold as Dutch irises