This is the Lilies of the Valley bouquet. Lilies of the Valley symbolize future happiness. (We chose this because Archer always gets Them for May) “The bridesmaids' eight bouquets of white lilac and lilies-of-the-valley had been sent in due time,”
For an English country garden look, why not carry a bouquet containing roses and daisies? Bouquet with pink and white spray roses, daisies and gypsophillia by Anne Fournier. - I'll be doing a very similar bouquet in May.