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#1: is a poppy. Papaver sp. Most likely Papaver orientale
#2: also a poppy, most likely Papaver orientale, but with fringed petals.
#3: looks like a clover, (Trifolium sp). Maybe Trifolium purpureum (purple clover)
#4: perhaps Linaria sp?
#5: Looks like Campanula, possibly "sarastro".
1 and 2 are both Papaver but not P. orientale. Assuming the foliage in 1 belongs to the flower, it's P. somniferum. The second is also P. somniferum.
3 is Trifolium rubens.
Agree with 4 and 5.
Ditto to Papaver somniferum for #1 and #2; #1 is the natural wild type, #2 is a fancy cultivar. #1 looks much the nicer, so I'd keep that one and get rid of #2.