RHS says late winter, not sure when that is.
Ken Muir says mid march, another site say 3rd week March.
Plants getting leaves already.
Need enough rain to take the fertiliser down to the roots, but not so much that it washes it away.
They did have a mulch of manure but the hedgehog has been making a mess of that.
So when do you think would be a good time to start feeding them.