Lin, I hesitate to throw either vinca or ivy into my mulch pile. Even after two summers of extreme drought in AR, I still have some vinca that survived outside of our watering zone.
Any day you wake up on the sunny side of the grass is a good day.
"The moving hand writes and having writ moves on. Neither all thy piety nor all thy wit can lure it back to cancel half a line nor all thy tears wash out a word of it." The Rubiyat by Omar Khayyam