The first one could be montbretia, which has orange flowers, or crocosmia, which is very similar but bigger and has red flowers. There is also a yellow variety.
Forget me not
for the fag ends of the aristocracy.
2. One of the aster ... Michaelmas daisy type of thing. Bottom left corner the spotted leaves of a Pulmonaria ( flowers early spring great for early
3. Possibly myosotis seedlings (forget me not)
4. aquilegia or thalictrum aquilegifolium seedlings.
This damp weather when the soil is still warm is the perfect time to do it and they’ll grow bigger and better for having a bit of elbow room. 😊
It may well be due to DNA studies of plants.
Many many plants have had name changes.
If it is the common one that you have @lizziec1988 - it can be quite invasive in many gardens, so keep an eye on it.
I live in west central Scotland - not where that photo is...