That's interesting Ina. I sprinkle cinnamon on my door sill, the ants won't cross it. I've not tried it on the ants in yard though and I'm convinced that they are the cause of some bulbs just up and disappearing. It seems my house is built on a ant hill. I'll try it this summer. Linda Foulis Red Deer, AB Canada Balmy day at only -6C, clear blue winter sky