Chico - I have Periwinkle too. I love it actually. It covers lots of sins in a bed I very seldom get to work in. I want to plant some Thyme (steppable) in the cracks of my patios I made a couple of years ago. It will stop the weeds coming up through and usually can withstand a lot before dying. Right now I have Scottish Moss growing in a lot of the cracks. I didn't put it there. It managed to cross a driveway and self seed. But it looks ok.
I don't know if I am more knowledgable. I just need to know about a lot of plants for customers. I try to stay on top of things so I can answer questions without sounding foolish. Thank you for the compliments!!
Assumptions do nothing but make an ass out of u and me.
We can stick our heads in the sand for only so long before it starts choking us. Face it folks. The pet population is bad ALL OVER THE WORLD!