Has May arrived at last? Wildflowers on the river banks

All the wild spring flowers have appeared at once, in profusion along the river after just one or two warm days - but now it's cold again.

Here's a May calendar of wild flowers all here, on the riverside, with the dates when photos were taken (not necessarily when they first appeared) starting with the most recent:

31st May   Wintercress     (Barbarea vulgaris)

Damp places along streams and around ponds

23rd May  Greater  Stitchwort  (Stellaria holostea)

Woodland and hedgerows

19th May   Herb Robert  (Geranium robertianum)
Banks and light woodland

19th May    Germander Speedwell  (Veronica chamaedrys)
Hedgerows, shady banks

and two foodplants for the ORANGE TIP butterfly:

19th May   Garlic Mustard   (Alliaria petiolata)
Hedgerows, field margins and banks

and Cuckoo flower  (Cardamine pratensis)
Riverside banks,  meadows

12th May  Cow Parsley  (Anthriscus sylvestris)
Damp hedgerows, field margins, river banks

12th May  Wild Garlic  - Ramsons   (Allium ursinum)

under an oak on the river bank
Damp woodland, shady river banks

12th May  Oak leaves just unfolding, with catkins
Very old oaks on the river

6th May  White Dead-nettle  (Lamium album)
Hedgerows, grassy verges

6th May  Bluebells   (Scilla non-scripta)
Banks and woodland

1st May   a profusion of Blackthorn blossom on the river confluence

- and blue sky