Both feverfew and mayweed are in flower here long after their normal period, and a tiny common mouse-ear has white flowers so small they seem designed to escape attention.
From the guardian.co.uk
But most breathtaking is a roll call of flowers usually seen much later in spring, such as dandelions, hogweed, long stalked crane's bill, scentless mayweed, knapweed, compact brome and many others.