Giving away plants reminds me of an article I read only a few days ago in the "The Garden" of June 20007, p.384, about summer splits. Dividing perennial plants is frequently thought as a work for spring or autumn, but summer division (June and July) seems also possible and probably even better as they settle better.
Phil Clayton had to move house and wanted to take his plants with him, but it was already June: "It was June by the time I was ready to start (...) too late by conventional means. (...) Weather conditions were terrible for dividing plants and, in the hurry of the move, plants did not receive the care they deserved. Even so, about 90 percent survived. Some were cut into small sections, others kept in large chunks, but as a practical demonstration it proved, given care after divisions are made, that many pernnials respond well to summer splitting, performing, in my opinon at least as well as those made at traditional times." He made the divisions in pots and placed them in a shaded corner away from summer heat and kept them watered.
The season to practise charity is longer than most gardeners thought.