Here is a highly recommended link to a site that has selected and helpfully arranged daily readings from George Herbert’s The Temple (1633) for Lent.
Maybe the best recommendation of Herbert’s poetry (certainly the best one I know of) is the effect that his writing had on C. S. Lewis, in the last days before his conversion, when it seemed to him that all his favorite authors were lining up to take whacks at his dying atheism:
. . . the most alarming of all was George Herbert. Here was a man who seemed to me to excel all the writers I had read in conveying the very quality of life as we actually live it from moment to moment; but the wretched fellow, instead of doing it all directly, insisted on mediating it through what I would still have called the ‘Christian mythology’. . . .
C. S. Lewis, Surprised by Joy 214 (1956).