photos of some previous Rogation at Newsholme here
The Rogation Days (from the Latin rogare, ‘to ask’) are the three weekdays before Ascension Day. However, in practice, many churches have observed Rogation on the preceding Sunday (Easter V in the Prayer Book, the Sixth Sunday of Easter in Common Worship). The Prayer Book Gospel includes the words of Jesus, ‘Whatsoever ye shall ask for in my Name, he will give it you’ – words associated with the heavenly intercession of the ascended Christ.
Originally, the Christian observance of Rogation was taken over from Graeco-Roman religion, where an annual procession invoked divine favour to protect crops against mildew. The tradition grew of using processional litanies, often around the parish boundaries, for the blessing of the land. These processions concluded with a mass. The Rogation procession was suppressed at the Reformation, but it was restored in 1559. The poet George Herbert interpreted the procession as a means of asking for God’s blessing on the land, of preserving boundaries, of encouraging fellowship between neighbours with the reconciling of differences, and of charitable giving to the poor. The tradition of ‘beating the bounds’ has been preserved in some communities, while others maintain the traditional use of the Litany within worship. In more recent times, the scope of Rogation has been widened to include petition for the world of work and for accountable stewardship, and prayer for local communities, whether rural or urban.
More information about the church agricultural year festivals here