Categories DavidVervain, November-flowering, by River Avon Post author By David Post date 22 November 2021 Vervain, flowering in early November. One of the plants in the Bancroft Gardens by the Stratford on Avon Canal Basin where the canal meets the Avon in the centre of Stratford. ← Kingfisher, River Dene, Charlecote Park → Earthstar by Charlecote Park